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Lopes da Cunha P, Ruiz F, Ferrante F, Sterpin LF, Ibáñez A, Slachevsky A, Matallana D, Martínez Á, Hesse E, García AM. Automated free speech analysis reveals distinct markers of Alzheimer's and frontotemporal dementia. PLoS One 2024; 19:e0304272. [PMID: 38843210 PMCID: PMC11156374 DOI: 10.1371/journal.pone.0304272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 05/09/2024] [Indexed: 06/09/2024] Open
Abstract
Dementia can disrupt how people experience and describe events as well as their own role in them. Alzheimer's disease (AD) compromises the processing of entities expressed by nouns, while behavioral variant frontotemporal dementia (bvFTD) entails a depersonalized perspective with increased third-person references. Yet, no study has examined whether these patterns can be captured in connected speech via natural language processing tools. To tackle such gaps, we asked 96 participants (32 AD patients, 32 bvFTD patients, 32 healthy controls) to narrate a typical day of their lives and calculated the proportion of nouns, verbs, and first- or third-person markers (via part-of-speech and morphological tagging). We also extracted objective properties (frequency, phonological neighborhood, length, semantic variability) from each content word. In our main study (with 21 AD patients, 21 bvFTD patients, and 21 healthy controls), we used inferential statistics and machine learning for group-level and subject-level discrimination. The above linguistic features were correlated with patients' scores in tests of general cognitive status and executive functions. We found that, compared with HCs, (i) AD (but not bvFTD) patients produced significantly fewer nouns, (ii) bvFTD (but not AD) patients used significantly more third-person markers, and (iii) both patient groups produced more frequent words. Machine learning analyses showed that these features identified individuals with AD and bvFTD (AUC = 0.71). A generalizability test, with a model trained on the entire main study sample and tested on hold-out samples (11 AD patients, 11 bvFTD patients, 11 healthy controls), showed even better performance, with AUCs of 0.76 and 0.83 for AD and bvFTD, respectively. No linguistic feature was significantly correlated with cognitive test scores in either patient group. These results suggest that specific cognitive traits of each disorder can be captured automatically in connected speech, favoring interpretability for enhanced syndrome characterization, diagnosis, and monitoring.
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Affiliation(s)
- Pamela Lopes da Cunha
- Cognitive Neuroscience Center, Universidad de San Andrés, Victoria, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Fabián Ruiz
- Cognitive Neuroscience Center, Universidad de San Andrés, Victoria, Buenos Aires, Argentina
| | - Franco Ferrante
- Cognitive Neuroscience Center, Universidad de San Andrés, Victoria, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
- Facultad de Ingeniería, Universidad de Buenos Aires (FIUBA), Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Lucas Federico Sterpin
- Cognitive Neuroscience Center, Universidad de San Andrés, Victoria, Buenos Aires, Argentina
| | - Agustín Ibáñez
- Cognitive Neuroscience Center, Universidad de San Andrés, Victoria, Buenos Aires, Argentina
- Latin American Brain Health (BrainLat) Institute, Universidad Adolfo Ibáñez, Santiago, Peñalolén, Región Metropolitana, Chile
- Global Brain Health Institute, University of California San Francisco, San Francisco, California, United States of America
- Trinity College Dublin, Dublin, Ireland
| | - Andrea Slachevsky
- Faculty of Medicine, Neuroscience and East Neuroscience Departments, Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Program – Institute of Biomedical Sciences (ICBM), University of Chile, Santiago, Chile
- Geroscience Center for Brain Health and Metabolism (GERO), Providencia, Santiago, Chile
- Hospital del Salvador and Faculty of Medicine, Memory and Neuropsychiatric Center (CMYN), Neurology Department, University of Chile, Providencia, Santiago, Chile
- Departamento de Medicina, Servicio de Neurología, Clínica Alemana-Universidad del Desarrollo, Las Condes, Región Metropolitana, Chile
| | - Diana Matallana
- Facultad de Medicina, Departamento de Psiquiatría (Programa PhD Neurociencias), Instituto de Envejecimiento, Pontificia Universidad Javeriana, Bogotá, Colombia
- Centro de Memoria y Cognición, Intellectus, Hospital Universitario San Ignacio Bogotá, San Ignacio, Colombia
- Departamento de Salud Mental, Hospital Universitario Santa Fe de Bogotá, Bogotá, Colombia
| | - Ángela Martínez
- Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá, Colombia
| | - Eugenia Hesse
- Cognitive Neuroscience Center, Universidad de San Andrés, Victoria, Buenos Aires, Argentina
- Departamento de Matemática, Universidad de San Andres, Victoria, Buenos Aires, Argentina
| | - Adolfo M. García
- Cognitive Neuroscience Center, Universidad de San Andrés, Victoria, Buenos Aires, Argentina
- Latin American Brain Health (BrainLat) Institute, Universidad Adolfo Ibáñez, Santiago, Peñalolén, Región Metropolitana, Chile
- Global Brain Health Institute, University of California San Francisco, San Francisco, California, United States of America
- Facultad de Humanidades, Departamento de Lingüística y Literatura, Universidad de Santiago de Chile, Estación Central, Santiago, Chile
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Kalaria R, Maestre G, Mahinrad S, Acosta DM, Akinyemi RO, Alladi S, Allegri RF, Arshad F, Babalola DO, Baiyewu O, Bak TH, Bellaj T, Brodie‐Mends DK, Carrillo MC, Celestin K, Damasceno A, de Silva RK, de Silva R, Djibuti M, Dreyer AJ, Ellajosyula R, Farombi TH, Friedland RP, Garza N, Gbessemehlan A, Georgiou EE, Govia I, Grinberg LT, Guerchet M, Gugssa SA, Gumikiriza‐Onoria JL, Hogervorst E, Hornberger M, Ibanez A, Ihara M, Issac TG, Jönsson L, Karanja WM, Lee JH, Leroi I, Livingston G, Manes FF, Mbakile‐Mahlanza L, Miller BL, Musyimi CW, Mutiso VN, Nakasujja N, Ndetei DM, Nightingale S, Novotni G, Nyamayaro P, Nyame S, Ogeng'o JA, Ogunniyi A, de Oliveira MO, Okubadejo NU, Orrell M, Paddick S, Pericak‐Vance MA, Pirtosek Z, Potocnik FCV, Raman R, Rizig M, Rosselli M, Salokhiddinov M, Satizabal CL, Sepulveda‐Falla D, Seshadri S, Sexton CE, Skoog I, George‐Hyslop PHS, Suemoto CK, Thapa P, Udeh‐Momoh CT, Valcour V, Vance JM, Varghese M, Vera JH, Walker RW, Zetterberg H, Zewde YZ, Ismail O. The 2022 symposium on dementia and brain aging in low- and middle-income countries: Highlights on research, diagnosis, care, and impact. Alzheimers Dement 2024; 20:4290-4314. [PMID: 38696263 PMCID: PMC11180946 DOI: 10.1002/alz.13836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 05/04/2024]
Abstract
Two of every three persons living with dementia reside in low- and middle-income countries (LMICs). The projected increase in global dementia rates is expected to affect LMICs disproportionately. However, the majority of global dementia care costs occur in high-income countries (HICs), with dementia research predominantly focusing on HICs. This imbalance necessitates LMIC-focused research to ensure that characterization of dementia accurately reflects the involvement and specificities of diverse populations. Development of effective preventive, diagnostic, and therapeutic approaches for dementia in LMICs requires targeted, personalized, and harmonized efforts. Our article represents timely discussions at the 2022 Symposium on Dementia and Brain Aging in LMICs that identified the foremost opportunities to advance dementia research, differential diagnosis, use of neuropsychometric tools, awareness, and treatment options. We highlight key topics discussed at the meeting and provide future recommendations to foster a more equitable landscape for dementia prevention, diagnosis, care, policy, and management in LMICs. HIGHLIGHTS: Two-thirds of persons with dementia live in LMICs, yet research and costs are skewed toward HICs. LMICs expect dementia prevalence to more than double, accompanied by socioeconomic disparities. The 2022 Symposium on Dementia in LMICs addressed advances in research, diagnosis, prevention, and policy. The Nairobi Declaration urges global action to enhance dementia outcomes in LMICs.
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Grants
- P30AG066506 National Institute of Aging (NIA)
- P01 HD035897 NICHD NIH HHS
- R13 AG066391 NIA NIH HHS
- International Society for Neurochemistry
- National Council for Scientific and Technological Development
- R01 AG075775 NIA NIH HHS
- Bluefield Project, the Olav Thon Foundation, the Erling-Persson Family Foundation, Stiftelsen för Gamla Tjänarinnor, Hjärnfonden, Sweden
- U19 AG074865 NIA NIH HHS
- UH3 NS100605 NINDS NIH HHS
- R01AG072547 Multi partner Consortium for Dementia Research in Latino America-Dominican Republic (LATAM-FINGERS)
- ASP/06/RE/2012/18 University of Sri Jayewardenepura, Sri Lanka
- D43 TW011532 FIC NIH HHS
- UF1 NS125513 NINDS NIH HHS
- 2019-02397 Swedish Research Council
- FLR/R1/191813 UK Royal Society/African Academy of Sciences
- R01 AG054076 NIA NIH HHS
- GOK: Government of Karnataka
- R56 AG074467 NIA NIH HHS
- R21 AG069252 NIA NIH HHS
- RF1 AG059421 NIA NIH HHS
- R56 AG061837 NIA NIH HHS
- Global Brain Health Institute (GBHI)
- 1R01AG068472-01 National Institute of Aging (NIA)
- FCG/R1/201034 UK Royal Society/African Academy of Sciences
- Appel à Projet des Equipes Émergentes et Labellisées scheme (APREL)
- Alzheimer's Drug Discovery Foundation (ADDF)
- R01 AG062588 NIA NIH HHS
- 1R01AG070883 University of Wisconsin, Madison
- U01 HG010273 NHGRI NIH HHS
- R25 TW011214 FIC NIH HHS
- ASP/06/RE/2013/28 University of Sri Jayewardenepura, Sri Lanka
- R01 AG052496 NIA NIH HHS
- R01 AG080468 NIA NIH HHS
- RBM: Rotary Bangalore Midtown
- U19 AG068054 NIA NIH HHS
- ADSF-21-831376-C Alzheimer Drug Discovery Foundation
- ADSF-21-831377-C Alzheimer Drug Discovery Foundation
- Canadian Institute of Health Research
- U19 AG078558 NIA NIH HHS
- 1P30AG066546-01A1 National Institutes of Health (NIH)
- RF1 AG059018 NIA NIH HHS
- National Research Foundation (NRF)
- P30 AG062422 NIA NIH HHS
- LSIPL: M/s Lowes Services India Private Limited
- UKDRI-1003 UK Dementia Research Institute at UCL
- U19AG074865 Multi partner Consortium for Dementia Research in Latino America-Dominican Republic (LATAM-FINGERS)
- P01 AG019724 NIA NIH HHS
- National Institute for Health and Care Research, United Kingdom
- R01 AG066524 NIA NIH HHS
- RF1 AG063507 NIA NIH HHS
- WCUP/Ph.D./19B 2013 University of Sri Jayewardenepura (USJ), Sri Lanka
- WCUP/Ph.D./19/2013 University of Sri Jayewardenepura (USJ), Sri Lanka
- GBHI ALZ UK-21-724359 Pilot Award for Global Brain Health Leaders
- R01AG080468-01 National Institute of Aging (NIA)
- U01 AG058589 NIA NIH HHS
- R01 AG057234 NIA NIH HHS
- SP/CIN/2016/02) Ministry of Primary Industries, Sri Lanka
- R01 AG072547 NIA NIH HHS
- U01 AG051412 NIA NIH HHS
- P30 AG059305 NIA NIH HHS
- Alzheimer's Association, USA
- R35 AG072362 NIA NIH HHS
- R01 NS050915 NINDS NIH HHS
- P30 AG066546 NIA NIH HHS
- 2022-01018 Swedish Research Council
- U19 AG063893 NIA NIH HHS
- ALFGBG-71320 Swedish State Support for Clinical Research
- U01 AG052409 NIA NIH HHS
- 1R13AG066391-01 National Institutes of Health (NIH)
- R01 AG21051 NIH and the Fogarty International Center [FIC]
- DP1AG069870 National Institutes of Health (NIH)
- Marie Skłodowska-Curie
- U19 AG078109 NIA NIH HHS
- Chinese Neuroscience Society, China
- RF1 AG061872 NIA NIH HHS
- DP1 AG069870 NIA NIH HHS
- P30 AG066506 NIA NIH HHS
- Wellcome Trust
- U01HG010273 Multi partner Consortium for Dementia Research in Latino America-Dominican Republic (LATAM-FINGERS)
- JPND2021-00694 European Union Joint Programme - Neurodegenerative Disease Research
- ASP/06/RE/2010/07 University of Sri Jayewardenepura, Sri Lanka
- Rainwater Charitable Foundation - The Bluefield project to cure FTD, and Global Brain Health Institute
- 101053962 European Union's Horizon Europe
- R01 AG058464 NIA NIH HHS
- R01 AG068472 NIA NIH HHS
- Michael J. Fox Foundation for Parkinson's Research, USA
- UL1 TR001873 NCATS NIH HHS
- SG-21-814756 National Institutes of Health (NIH)
- 201809-2016862 Alzheimer Drug Discovery Foundation
- UK National Health Service, Newcastle University,
- R01 AG058918 NIA NIH HHS
- National Institute for Health and Care Research University College London Hospitals Biomedical Research Centre
- Wellcome Trust, UK
- ADSF-21-831381-C Alzheimer Drug Discovery Foundation
- Health Professionals Education Partnership Initiative Ethiopia
- ANR-09-MNPS-009-01 French National Research Agency
- R01 AG062562 NIA NIH HHS
- AXA Research Fund
- ICMR: Indian Council for Medical Research
- R01 AG070883 NIA NIH HHS
- International Society for Neurochemistry
- French National Research Agency
- AXA Research Fund
- National Center for Advancing Translational Sciences
- National Council for Scientific and Technological Development
- Swedish Research Council
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Affiliation(s)
- Raj Kalaria
- Translational and Clinical Research InstituteNewcastle UniversityNewcastle upon TyneUK
| | - Gladys Maestre
- Departments of Neuroscience and Human GeneticsUniversity of Texas Rio Grande ValleyOne W. University BlvdBrownsvilleTexasUSA
| | - Simin Mahinrad
- Division of Medical and Scientific RelationsAlzheimer's AssociationChicagoIllinoisUSA
| | - Daisy M. Acosta
- Universidad Nacional Pedro Henriquez Urena (UNPHU)Santo DomingoDominican Republic
| | - Rufus Olusola Akinyemi
- Neuroscience and Ageing Research UnitInstitute for Advanced Medical Research and TrainingCollege of MedicineUniversity of IbadanIbadanOyoNigeria
| | - Suvarna Alladi
- Department of NeurologyNational Institute of Mental Health and NeurosciencesBengaluruKarnatakaIndia
| | - Ricardo F. Allegri
- Fleni Neurological InstituteBuenos AiresArgentina
- Department of NeurosciencesUniversidad de la Costa (CUC)BarranquillaColombia
| | - Faheem Arshad
- Department of NeurologyNational Institute of Mental Health and NeurosciencesBengaluruKarnatakaIndia
| | | | | | | | | | | | - Maria C. Carrillo
- Division of Medical and Scientific RelationsAlzheimer's AssociationChicagoIllinoisUSA
| | - Kaputu‐Kalala‐Malu Celestin
- Department of NeurologyCentre Neuropsychopathologique (CNPP)Kinshasa University Teaching HospitalUniversity of KinshasaKinshasaRepublic Democratic of the Congo
| | | | - Ranil Karunamuni de Silva
- Interdisciplinary Centre for Innovation in Biotechnology and NeuroscienceFaculty of Medical SciencesUniversity of Sri JayewardenepuraNugegodaSri Lanka
- Institute for Combinatorial Advanced Research and Education (KDU‐CARE)General Sir John Kotelawala Defence UniversityRatmalanaSri Lanka
| | - Rohan de Silva
- Reta Lila Weston Institute and Department of ClinicalMovement NeuroscienceUCL Queen Square Institute of NeurologyLondonUK
| | - Mamuka Djibuti
- Partnership for Research and Action for Health (PRAH)TbilisiGeorgia
| | | | - Ratnavalli Ellajosyula
- Cognitive Neurology ClinicManipal Hospitaland Annasawmy Mudaliar HospitalBengaluruKarnatakaIndia
- Manipal Academy of Higher Education (MAHE)ManipalKarnatakaIndia
| | | | | | - Noe Garza
- Department of Neuroscience and Human GeneticsUniversity of Texas Rio Grande ValleyHarlingenTexasUSA
| | - Antoine Gbessemehlan
- Inserm U1094, IRD U270University of LimogesCHU Limoges, EpiMaCT ‐ Epidemiology of Chronic Diseases in Tropical ZoneInstitute of Epidemiology and Tropical NeurologyOmegaHealthLimogesFrance
- Inserm, Bordeaux Population Health Research CenterUniversity of BordeauxBordeauxFrance
| | - Eliza Eleni‐Zacharoula Georgiou
- Department of PsychiatryPatras University General HospitalFaculty of Medicine, School of Health SciencesUniversity of PatrasPatrasGreece
| | - Ishtar Govia
- Caribbean Institute for Health ResearchThe University of the West Indies, JamaicaWest IndiesJamaica
- Institute for Global HealthUniversity College LondonLondonUK
| | - Lea T. Grinberg
- Department of Neurology and PathologyUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of PathologyUniversity of Sao PauloR. da Reitoria, R. Cidade UniversitáriaSão PauloSao PauloBrazil
| | - Maëlenn Guerchet
- Inserm U1094, IRD U270University of LimogesCHU Limoges, EpiMaCT ‐ Epidemiology of Chronic Diseases in Tropical ZoneInstitute of Epidemiology and Tropical NeurologyOmegaHealthLimogesFrance
| | - Seid Ali Gugssa
- Department of NeurologySchool of MedicineAddis Ababa UniversityAddis AbabaEthiopia
| | | | - Eef Hogervorst
- Loughborough UniversityLoughboroughUK
- Respati UniversityYogyakartaIndonesia
| | | | - Agustin Ibanez
- Latin American Institute for Brain Health (BrainLat)Universidad Adolfo IbanezPeñalolénSantiagoChile
- Global Brain Health Institute (GBHI)University California San Francisco (UCSF)San FranciscoCaliforniaUSA
- Global Brain Health Institute (GBHI)Trinity College DublinLloyd Building Trinity College DublinDublinIreland
- Cognitive Neuroscience Center (CNC)Universidad de San Andrés, and National Scientific and Technical Research Council (CONICET)VictoriaProvincia de Buenos AiresArgentina
| | - Masafumi Ihara
- Department of NeurologyNational Cerebral and Cardiovascular CenterSuitaOsakaJapan
| | - Thomas Gregor Issac
- Centre for Brain ResearchIndian Institute of Science (IISc)BengaluruKarnatakaIndia
| | - Linus Jönsson
- Department of NeurobiologyCare Science and Society, section for NeurogeriatricsKarolinska Institute, SolnavägenSolnaSweden
| | - Wambui M. Karanja
- Global Brain Health Institute (GBHI)Trinity College DublinLloyd Building Trinity College DublinDublinIreland
- Brain and Mind InstituteAga Khan UniversityNairobiKenya
| | - Joseph H. Lee
- Sergievsky CenterTaub Institute for Research on Alzheimer's Disease and the Aging BrainDepartments of Neurology and EpidemiologyColumbia UniversityNew YorkNew YorkUSA
| | - Iracema Leroi
- Global Brain Health Institute (GBHI)Trinity College DublinLloyd Building Trinity College DublinDublinIreland
| | | | - Facundo Francisco Manes
- Institute of Cognitive and Translational Neuroscience (INCYT)INECO FoundationFavaloro UniversityBuenos AiresArgentina
| | - Lingani Mbakile‐Mahlanza
- Global Brain Health Institute (GBHI)University California San Francisco (UCSF)San FranciscoCaliforniaUSA
- University of BotswanaGaboroneBotswana
| | - Bruce L. Miller
- Department of NeurologyMemory and Aging CenterUniversity of California San Francisco Weill Institute for NeurosciencesSan FranciscoCaliforniaUSA
| | | | - Victoria N. Mutiso
- Africa Mental Health Research and Training FoundationNairobiKenya
- Department of PsychiatryUniversity of NairobiNairobiKenya
- World Psychiatric Association Collaborating Centre for Research and TrainingNairobiKenya
| | | | - David M. Ndetei
- Africa Mental Health Research and Training FoundationNairobiKenya
- Department of PsychiatryUniversity of NairobiNairobiKenya
- World Psychiatric Association Collaborating Centre for Research and TrainingNairobiKenya
| | - Sam Nightingale
- Neuroscience InstituteUniversity of Cape TownCape TownSouth Africa
| | - Gabriela Novotni
- University Clinic of NeurologyMedical Faculty University Ss Cyril and Methodius Institute for Alzheimer's Disease and NeuroscienceSkopjeNorth Macedonia
| | - Primrose Nyamayaro
- Global Brain Health Institute (GBHI)Trinity College DublinLloyd Building Trinity College DublinDublinIreland
- Faculty of Medicine and Health SciencesUniversity of ZimbabweHarareZimbabwe
| | - Solomon Nyame
- Kintampo Health Research CentreGhana Health ServiceHospital RoadNear Kintampo‐north Municipal HospitalKintampoGhana
| | | | | | - Maira Okada de Oliveira
- Global Brain Health Institute (GBHI)University California San Francisco (UCSF)San FranciscoCaliforniaUSA
- Global Brain Health Institute (GBHI)Trinity College DublinLloyd Building Trinity College DublinDublinIreland
- Department of Psychiatry at Massachusetts General HospitalHarvard Medical SchoolBostonMassachusettsUSA
- Cognitive Neurology and Behavioral Unit (GNCC)University of Sao PauloR. da Reitoria, R. Cidade UniversitáriaSão PauloSao PauloBrazil
| | - Njideka U. Okubadejo
- Neurology UnitDepartment of MedicineFaculty of Clinical SciencesCollege of MedicineUniversity of LagosYabaLagosNigeria
| | - Martin Orrell
- Institute of Mental HealthUniversity of NottinghamNottinghamUK
| | - Stella‐Maria Paddick
- Newcastle UniversityNewcastle upon TyneUK
- Gateshead Health NHS Foundation TrustSheriff HillTyne and WearUK
| | - Margaret A. Pericak‐Vance
- John P Hussman Institute for Human GenomicsMiller School of MedicineUniversity of MiamiCoral GablesFloridaUSA
- Dr. John T Macdonald Foundation Department of Human GeneticsUniversity of Miami Miller School of MedicineCoral GablesFloridaUSA
| | - Zvezdan Pirtosek
- Faculty of MedicineUniversity Medical Centre LjubljanaLjubljanaSlovenia
| | - Felix Claude Victor Potocnik
- Old Age Psychiatry Unit, Depth PsychiatryStellenbosch UniversityWestern Cape, Stellenbosch CentralStellenboschSouth Africa
| | - Rema Raman
- Alzheimer's Therapeutic Research InstituteUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Mie Rizig
- Department of Neuromuscular DiseasesUCL Queen Square Institute of NeurologyQueen SquareLondonUK
| | - Mónica Rosselli
- Department of PsychologyCharles E. Schmidt College of ScienceFlorida Atlantic UniversityBoca RatonFloridaUSA
- Florida Alzheimer's Disease Research CenterGainesvilleFloridaUSA
| | | | - Claudia L. Satizabal
- Glenn Biggs Institute for Alzheimer's & Neurodegenerative DiseasesUniversity of Texas Health Sciences CenterSan AntonioTexasUSA
- Department of NeurologyBoston University School of MedicineBostonMassachusettsUSA
- The Framingham Heart StudyFraminghamMassachusettsUSA
| | - Diego Sepulveda‐Falla
- Molecular Neuropathology of Alzheimer's DiseaseInstitute of NeuropathologyUniversity Medical Center Hamburg‐EppendorfHamburgGermany
| | - Sudha Seshadri
- Glenn Biggs Institute for Alzheimer's and Neurodegenerative Diseases and South Texas ADRCUT Health San AntonioSan AntonioTexasUSA
- University of Texas Health Sciences CenterSan AntonioTexasUSA
| | - Claire E. Sexton
- Division of Medical and Scientific RelationsAlzheimer's AssociationChicagoIllinoisUSA
| | - Ingmar Skoog
- Institute of Neuroscience and FysiologySahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Peter H. St George‐Hyslop
- Taub Institute for Research on Alzheimer's Disease and the Aging BrainDepartment of NeurologyColumbia University Irving Medical CenterNew YorkNew YorkUSA
- Cambridge Institute for Medical Research and Department of Clinical NeurosciencesSchool of Clinical MedicineUniversity of CambridgeAddenbrookes Biomedical CampusTrumpingtonCambridgeUK
- Department of Medicine (Neurology)Temerty Faculty of MedicineUniversity of Torontoand University Health Network27 King's College CirTorontoOntarioCanada
| | - Claudia Kimie Suemoto
- Division of GeriatricsUniversity of Sao Paulo Medical SchoolR. da Reitoria, R. Cidade UniversitáriaSão PauloSao PauloBrazil
| | - Prekshy Thapa
- Global Brain Health Institute (GBHI)Trinity College DublinLloyd Building Trinity College DublinDublinIreland
| | - Chinedu Theresa Udeh‐Momoh
- Global Brain Health Institute (GBHI)University California San Francisco (UCSF)San FranciscoCaliforniaUSA
- FINGERS Brain Health Institutec/o Stockholms SjukhemStockholmSweden
- Department of Epidemiology and PreventionWake Forest University School of MedicineWinston‐SalemNorth CarolinaUSA
- Department of NeurobiologyCare Sciences and Society (NVS)Division of Clinical GeriatricsKarolinska Institute, SolnavägenSolnaSweden
- Imarisha Centre for Brain health and AgingBrain and Mind InstituteAga Khan UniversityNairobiKenya
| | - Victor Valcour
- Memory and Aging CenterDepartment of NeurologyUniversity of CaliforniaSan FranciscoCaliforniaUSA
| | - Jeffery M. Vance
- John P Hussman Institute for Human GenomicsMiller School of MedicineUniversity of MiamiCoral GablesFloridaUSA
| | - Mathew Varghese
- St. John's Medical CollegeSarjapur ‐ Marathahalli Rd, beside Bank Of Baroda, John Nagar, KoramangalaBengaluruKarnatakaIndia
| | - Jaime H. Vera
- Department of Global Health and InfectionBrighton and Sussex Medical SchoolBrightonUK
| | - Richard W. Walker
- Population Health Sciences InstituteNewcastle UniversityNewcastle upon TyneUK
| | - Henrik Zetterberg
- Department of Psychiatry and NeurochemistryInstitute of Neuroscience and Physiologythe Sahlgrenska Academy at the University of GothenburgGöteborgSweden
- Clinical Neurochemistry LaboratorySahlgrenska University HospitalMölndalSweden
- Department of Neurodegenerative DiseaseUCL Institute of NeurologyQueen Square, Queen SquareLondonUK
- UK Dementia Research Institute at UCLUniversity College LondonLondonUK
- Hong Kong Center for Neurodegenerative DiseasesClear Water BayHong KongChina
- Wisconsin Alzheimer's Disease Research CenterUniversity of Wisconsin School of Medicine and Public HealthUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Yared Z. Zewde
- Department of NeurologySchool of MedicineAddis Ababa UniversityAddis AbabaEthiopia
| | - Ozama Ismail
- Division of Medical and Scientific RelationsAlzheimer's AssociationChicagoIllinoisUSA
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Sosa AL, Brucki SM, Crivelli L, Lopera FJ, Acosta DM, Acosta-Uribe J, Aguilar D, Aguilar-Navarro SG, Allegri RF, Bertolucci PH, Calandri IL, Carrillo MC, Mendez PAC, Cornejo-Olivas M, Custodio N, Damian A, de Souza LC, Duran-Aniotz C, García AM, García-Peña C, Gonzales MM, Grinberg LT, Ibanez AM, Illanes-Manrique MZ, Jack CR, Leon-Salas JM, Llibre-Guerra JJ, Luna-Muñoz J, Matallana D, Miller BL, Naci L, Parra MA, Pericak-Vance M, Piña-Escudero SD, França Resende EDP, Ringman JM, Sevlever G, Slachevsky A, Suemoto CK, Valcour V, Villegas-Lanau A, Yassuda MS, Mahinrad S, Sexton C. Advancements in dementia research, diagnostics, and care in Latin America: Highlights from the 2023 Alzheimer's Association International conference satellite symposium in Mexico City. Alzheimers Dement 2024. [PMID: 38801124 DOI: 10.1002/alz.13850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/03/2024] [Indexed: 05/29/2024]
Abstract
INTRODUCTION While Latin America (LatAm) is facing an increasing burden of dementia due to the rapid aging of the population, it remains underrepresented in dementia research, diagnostics, and care. METHODS In 2023, the Alzheimer's Association hosted its eighth satellite symposium in Mexico, highlighting emerging dementia research, priorities, and challenges within LatAm. RESULTS Significant initiatives in the region, including intracountry support, showcased their efforts in fostering national and international collaborations; genetic studies unveiled the unique genetic admixture in LatAm; researchers conducting emerging clinical trials discussed ongoing culturally specific interventions; and the urgent need to harmonize practices and studies, improve diagnosis and care, and use affordable biomarkers in the region was highlighted. DISCUSSION The myriad of topics discussed at the 2023 AAIC satellite symposium highlighted the growing research efforts in LatAm, providing valuable insights into dementia biology, genetics, epidemiology, treatment, and care.
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Affiliation(s)
- Ana Luisa Sosa
- Laboratorio de Demencias del Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City, CDMX, México
| | - Sonia Md Brucki
- Department of Neurology, Cognitive and Behavioral Group, University of Sao Paulo, São Paulo, São Paulo, Brazil
| | - Lucia Crivelli
- Department of Cognitive Neurology, Fleni, Buenos Aires, Argentina
| | - Francisco Javier Lopera
- Grupo de Neurociencias (GNA), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Daisy M Acosta
- Universidad Nacional Pedro Henriquez Urena (UNPHU), Santo Domingo, Dominican Republic
| | - Juliana Acosta-Uribe
- Grupo de Neurociencias (GNA), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
- Neuroscience Research Institute and Department of Molecular, Cellular and Developmental Biology, University of California Santa Barbara, Santa Barbara, California, USA
| | | | - Sara G Aguilar-Navarro
- Department of Geriatrics, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, México, CDMX, Mexico
| | - Ricardo F Allegri
- Instituto de Neurociencias, Fleni, Buenos Aires, Argentina
- Department of Neurosciences, Universidad de la Costa CUC, Barranquilla, Colombia
| | - Paulo Hf Bertolucci
- Neurology & Neurosurgery Department, Escola Paulista de Medicina/UNIFESP, São Paulo, São Paulo, Brazil
| | | | | | | | - Mario Cornejo-Olivas
- Neurogenetics Working Group, Universidad Científica del Sur, Lima, Peru
- Neurogenetics Research Center, Instituto Nacional de Ciencias Neurologicas, Lima, Peru
| | - Nilton Custodio
- Unidad de Diagnóstico de Deterioro Cognitivo y Prevención de Demencia, Instituto Peruano de Neurociencias, Lima, Peru
- Escuela Profesional de Medicina Humana, Universidad Privada San Juan Bautista, Lima, Peru
| | - Andrés Damian
- Departamento de Montevideo, Centro Uruguayo de Imagenología Molecular (CUDIM) and Unidad Académica de Medicina Nuclear e Imagenología Molecular, Hospital de Clínicas, Universidad de la República (UdelaR), Montevideo, Montevideo, Uruguay
| | - Leonardo Cruz de Souza
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
- Departamento de Clínica Médica da Faculdade de Medicina da UFMG, Belo Horizonte, MG, Brazil
| | - Claudia Duran-Aniotz
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago, Chile
- Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibañez, Santiago, Chile
| | - Adolfo M García
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago, Chile
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
- Cognitive Neuroscience Center, Universidad de San Andrés, Victoria, Provincia de Buenos Aires, Argentina
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
| | | | - Mitzi M Gonzales
- Department of Neurology, Cedars Sinai Medical Center, Los Angeles, California, USA
- Glenn Biggs Institute, UT Health San Antonio, San Antonio, Texas, USA
| | - Lea T Grinberg
- Department of Neurology and Pathology, University of California San Francisco (UCSF), San Francisco, California, USA
- Department of Pathology, University of Sao Paulo, São Paulo, São Paulo, Brazil
| | - Agustin M Ibanez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago, Chile
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
- Global Brain Health Institute (GBHI), University of Trinity Dublin, Lloyd Building Trinity College Dublin, Dublin, Ireland
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, and CONICET, Victoria, Argentina
- Trinity College Dublin (TCD), College Green, Dublin, Ireland
| | - Maryenela Zaida Illanes-Manrique
- Neurogenetics Working Group, Universidad Científica del Sur, Lima, Peru
- Neurogenetics Research Center, Instituto Nacional de Ciencias Neurologicas, Lima, Peru
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
| | | | - Jorge Mario Leon-Salas
- Departamento de Investigación Clínica, Life Science Research Institute, Hospital Clinica Biblica, San José, Costa Rica
| | - Jorge J Llibre-Guerra
- Dominantly Inherited Alzheimer's Network Trials Unit, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Neurology, Washington University School of Medicine in St.Louis, St. Louis, Missouri, USA
| | - José Luna-Muñoz
- Banco Nacional de Cerebros-UNPHU, Universidad Nacional Pedro Henríquez Ureña, Santo Domingo, Dominican Republic
- National Dementia BioBank, Dirección de Investigación, Innovación y Posgrado, Universidad Politécnica de Pachuca, Zempoala, México
- Federación Mexicana de Alzheimer (FEDMA), México, CDMX, Mexico
| | - Diana Matallana
- Pontificia Universidad Javeriana, Medical School, Aging Institute, Hospital Universitario San Ignacio, Bogotá, Colombia
- Memory and Cognition Center, Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia
- Mental Health Department, Hospital Universitario Fundación Santa Fe, Bogotá, Colombia
| | - Bruce L Miller
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
- Department of Neurology, Memory and Aging Center, University of California San Francisco (UCSF), San Francisco, California, USA
| | - Lorina Naci
- Global Brain Health Institute (GBHI), University of Trinity Dublin, Lloyd Building Trinity College Dublin, Dublin, Ireland
- Trinity College Institute of Neuroscience, Trinity College Dublin, College Green, Dublin, Ireland
| | - Mario A Parra
- Department of Psychological Sciences and Health, University of Strathclyde, Glasgow, UK
| | - Margaret Pericak-Vance
- John P Hussman Institute for Human Genomics, Miller School of Medicine, University of Miami, Coral Gables, Florida, USA
- Dr. John T Macdonald Foundation, Department of Human Genetics, University of Miami Miller School of Medicine, Coral Gables, Florida, USA
| | - Stefanie D Piña-Escudero
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
- Global Brain Health Institute (GBHI), University of Trinity Dublin, Lloyd Building Trinity College Dublin, Dublin, Ireland
- Department of Neurology, Memory and Aging Center, University of California San Francisco (UCSF), San Francisco, California, USA
| | - Elisa de Paula França Resende
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
- Global Brain Health Institute (GBHI), University of Trinity Dublin, Lloyd Building Trinity College Dublin, Dublin, Ireland
- Universidade Federal de Minas Gerais, Faculdade de Medicina Ciências Médicas de Minas Gerais, Hospital das Clínicas - EBSERH-UFMG, Belo Horizonte, Brazil
| | - John M Ringman
- Department of Neurology, Alzheimer's Disease Research Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | | | - Andrea Slachevsky
- Geroscience Center for Brain Health and Metabolism (GERO), Santiago, Chile
- Memory and Neuropsychiatric Center (CMYN), Neurology Department, Hospital del Salvador & Faculty of Medicine, University of Chile, Santiago de Chile, Chile
- Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Program - Institute of Biomedical Sciences (ICBM), Neuroscience and East Neuroscience Departments, Faculty of Medicine, University of Chile, Santiago de Chile, Chile
- Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, Las Condes, Chile
| | - Claudia Kimie Suemoto
- Division of Geriatrics, University of Sao Paulo Medical School, São Paulo, São Paulo, Brazil
| | - Victor Valcour
- Department of Neurology, University of California San Francisco (UCSF), San Francisco, California, USA
| | - Andres Villegas-Lanau
- Grupo de Neurociencias (GNA), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Mônica S Yassuda
- Department of Neurology, Cognitive and Behavioral Group, University of Sao Paulo, São Paulo, São Paulo, Brazil
- Gerontology, School of Arts, Sciences and Humanities, University of Sao Paulo, São Paulo, São Paulo, Brazil
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Step K, Ndong Sima CAA, Mata I, Bardien S. Exploring the role of underrepresented populations in polygenic risk scores for neurodegenerative disease risk prediction. Front Neurosci 2024; 18:1380860. [PMID: 38859922 PMCID: PMC11163124 DOI: 10.3389/fnins.2024.1380860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 05/14/2024] [Indexed: 06/12/2024] Open
Affiliation(s)
- Kathryn Step
- Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Carene Anne Alene Ndong Sima
- Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Ignacio Mata
- Genomic Medicine, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Soraya Bardien
- Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
- South African Medical Research Council/Stellenbosch University Genomics of Brain Disorders Research Unit, Stellenbosch University, Cape Town, South Africa
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Coronel‐Oliveros C, Gómez RG, Ranasinghe K, Sainz‐Ballesteros A, Legaz A, Fittipaldi S, Cruzat J, Herzog R, Yener G, Parra M, Aguillon D, Lopera F, Santamaria‐Garcia H, Moguilner S, Medel V, Orio P, Whelan R, Tagliazucchi E, Prado P, Ibañez A. Viscous dynamics associated with hypoexcitation and structural disintegration in neurodegeneration via generative whole-brain modeling. Alzheimers Dement 2024; 20:3228-3250. [PMID: 38501336 PMCID: PMC11095480 DOI: 10.1002/alz.13788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 02/08/2024] [Accepted: 02/15/2024] [Indexed: 03/20/2024]
Abstract
INTRODUCTION Alzheimer's disease (AD) and behavioral variant frontotemporal dementia (bvFTD) lack mechanistic biophysical modeling in diverse, underrepresented populations. Electroencephalography (EEG) is a high temporal resolution, cost-effective technique for studying dementia globally, but lacks mechanistic models and produces non-replicable results. METHODS We developed a generative whole-brain model that combines EEG source-level metaconnectivity, anatomical priors, and a perturbational approach. This model was applied to Global South participants (AD, bvFTD, and healthy controls). RESULTS Metaconnectivity outperformed pairwise connectivity and revealed more viscous dynamics in patients, with altered metaconnectivity patterns associated with multimodal disease presentation. The biophysical model showed that connectome disintegration and hypoexcitability triggered altered metaconnectivity dynamics and identified critical regions for brain stimulation. We replicated the main results in a second subset of participants for validation with unharmonized, heterogeneous recording settings. DISCUSSION The results provide a novel agenda for developing mechanistic model-inspired characterization and therapies in clinical, translational, and computational neuroscience settings.
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Affiliation(s)
- Carlos Coronel‐Oliveros
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo Ibáñez, PeñalolénSantiagoChile
- Global Brain Health Institute (GBHI)University of California San Francisco (UCSFA)San FranciscoCaliforniaUSA
- Trinity College DublinDublinIreland
- Centro Interdisciplinario de Neurociencia de Valparaíso (CINV)Universidad de ValparaísoValparaísoChile
| | - Raúl Gónzalez Gómez
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo Ibáñez, PeñalolénSantiagoChile
- Center for Social and Cognitive NeuroscienceSchool of Psychology, Universidad Adolfo IbáñezSantiagoChile
| | - Kamalini Ranasinghe
- Memory and Aging CenterDepartment of NeurologyUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
| | | | - Agustina Legaz
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Provincia de Buenos AiresVictoriaArgentina
| | - Sol Fittipaldi
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo Ibáñez, PeñalolénSantiagoChile
- Global Brain Health Institute (GBHI)University of California San Francisco (UCSFA)San FranciscoCaliforniaUSA
- Trinity College DublinDublinIreland
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Provincia de Buenos AiresVictoriaArgentina
| | - Josephine Cruzat
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo Ibáñez, PeñalolénSantiagoChile
| | - Rubén Herzog
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo Ibáñez, PeñalolénSantiagoChile
| | - Gorsev Yener
- Izmir University of Economics, Faculty of Medicine, Fevzi Çakmak, Balçova/İzmirSakaryaTurkey
- Dokuz Eylül University, Brain Dynamics Multidisciplinary Research Center, KonakAlsancakTurkey
| | - Mario Parra
- School of Psychological Sciences and HealthUniversity of StrathclydeGlasgowScotland
| | - David Aguillon
- Neuroscience Research Group, University of AntioquiaBogotáColombia
| | - Francisco Lopera
- Neuroscience Research Group, University of AntioquiaBogotáColombia
| | - Hernando Santamaria‐Garcia
- Pontificia Universidad Javeriana, PhD Program of NeuroscienceBogotáColombia
- Hospital Universitario San Ignacio, Center for Memory and Cognition IntellectusBogotáColombia
| | - Sebastián Moguilner
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo Ibáñez, PeñalolénSantiagoChile
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Provincia de Buenos AiresVictoriaArgentina
| | - Vicente Medel
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo Ibáñez, PeñalolénSantiagoChile
- Brain and Mind Centre, The University of SydneySydneyNew South WalesAustralia
- Department of NeuroscienceUniversidad de Chile, IndependenciaSantiagoChile
| | - Patricio Orio
- Centro Interdisciplinario de Neurociencia de Valparaíso (CINV)Universidad de ValparaísoValparaísoChile
- Instituto de NeurocienciaFacultad de Ciencias, Universidad de Valparaíso, Playa AnchaValparaísoChile
| | - Robert Whelan
- Global Brain Health Institute (GBHI)University of California San Francisco (UCSFA)San FranciscoCaliforniaUSA
- Trinity College DublinDublinIreland
| | - Enzo Tagliazucchi
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo Ibáñez, PeñalolénSantiagoChile
- Buenos Aires Physics Institute and Physics DepartmentUniversity of Buenos Aires, Intendente Güiraldes 2160 – Ciudad UniversitariaBuenos AiresArgentina
| | - Pavel Prado
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo Ibáñez, PeñalolénSantiagoChile
- Escuela de Fonoaudiología, Facultad de Odontología y Ciencias de la RehabilitaciónUniversidad San Sebastián, Región MetropolitanaSantiagoChile
| | - Agustín Ibañez
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo Ibáñez, PeñalolénSantiagoChile
- Global Brain Health Institute (GBHI)University of California San Francisco (UCSFA)San FranciscoCaliforniaUSA
- Trinity College DublinDublinIreland
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Provincia de Buenos AiresVictoriaArgentina
- Trinity College Institute of NeuroscienceTrinity College DublinDublinIreland
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Moguilner S, Herzog R, Perl YS, Medel V, Cruzat J, Coronel C, Kringelbach M, Deco G, Ibáñez A, Tagliazucchi E. Biophysical models applied to dementia patients reveal links between geographical origin, gender, disease duration, and loss of neural inhibition. Alzheimers Res Ther 2024; 16:79. [PMID: 38605416 PMCID: PMC11008050 DOI: 10.1186/s13195-024-01449-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 04/02/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND The hypothesis of decreased neural inhibition in dementia has been sparsely studied in functional magnetic resonance imaging (fMRI) data across patients with different dementia subtypes, and the role of social and demographic heterogeneities on this hypothesis remains to be addressed. METHODS We inferred regional inhibition by fitting a biophysical whole-brain model (dynamic mean field model with realistic inter-areal connectivity) to fMRI data from 414 participants, including patients with Alzheimer's disease, behavioral variant frontotemporal dementia, and controls. We then investigated the effect of disease condition, and demographic and clinical variables on the local inhibitory feedback, a variable related to the maintenance of balanced neural excitation/inhibition. RESULTS Decreased local inhibitory feedback was inferred from the biophysical modeling results in dementia patients, specific to brain areas presenting neurodegeneration. This loss of local inhibition correlated positively with years with disease, and showed differences regarding the gender and geographical origin of the patients. The model correctly reproduced known disease-related changes in functional connectivity. CONCLUSIONS Results suggest a critical link between abnormal neural and circuit-level excitability levels, the loss of grey matter observed in dementia, and the reorganization of functional connectivity, while highlighting the sensitivity of the underlying biophysical mechanism to demographic and clinical heterogeneities in the patient population.
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Affiliation(s)
- Sebastian Moguilner
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Av. Diag. Las Torres 2640, Santiago Región Metropolitana, Peñalolén, 7941169, Chile
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), 1207 1651 4th St, 3rd Floor, San Francisco, CA, 94143, USA
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Vito Dumas 284, B1644BID, Buenos Aires, VIC, Argentina
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, 25 Shattuck St, Boston, MA, 02115, USA
- Trinity College Dublin, Lloyd Building Trinity College Dublin, Dublin, D02 PN40, Ireland
| | - Rubén Herzog
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Av. Diag. Las Torres 2640, Santiago Región Metropolitana, Peñalolén, 7941169, Chile
| | - Yonatan Sanz Perl
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Vito Dumas 284, B1644BID, Buenos Aires, VIC, Argentina
- National Scientific and Technical Research Council (CONICET), Godoy Cruz 2290, CABA, 1425, Argentina
- Institute of Applied and Interdisciplinary Physics and Department of Physics, University of Buenos Aires, Pabellón 1, Ciudad Universitaria, CABA, 1428, Argentina
- Center for Brain and Cognition, Computational Neuroscience Group, Universitat Pompeu Fabra, Plaça de La Mercè, 10-12, Barcelona, 08002, Spain
| | - Vicente Medel
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Av. Diag. Las Torres 2640, Santiago Región Metropolitana, Peñalolén, 7941169, Chile
- Centro Interdisciplinario de Neurociencia de Valparaíso (CINV), Universidad de Valparaíso, Harrington 287, Valparaíso, 2381850, Chile
| | - Josefina Cruzat
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Av. Diag. Las Torres 2640, Santiago Región Metropolitana, Peñalolén, 7941169, Chile
| | - Carlos Coronel
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Av. Diag. Las Torres 2640, Santiago Región Metropolitana, Peñalolén, 7941169, Chile
| | - Morten Kringelbach
- Centre for Eudaimonia and Human Flourishing, Linacre College, University of Oxford, St.Cross Rd, Oxford, OX1 3JA, UK
- Department of Psychiatry, University of Oxford, Warneford Hospital, Warneford Ln, Headington, Oxford, OX3 7JX, UK
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Blvd. 82, Aarhus, 8200, Denmark
| | - Gustavo Deco
- Center for Brain and Cognition, Computational Neuroscience Group, Universitat Pompeu Fabra, Plaça de La Mercè, 10-12, Barcelona, 08002, Spain
- Department of Neuropsychology, Max Planck Institute for Human Cognitive and Brain Sciences, Stephanstraße 1a, Leipzig, 04103, Germany
- Institució Catalana de Recerca I Estudis Avancats (ICREA), Passeig de Lluís Companys, 23, Barcelona, 08010, Spain
- Turner Institute for Brain and Mental Health, Monash University, 770 Blackburn Rd,, Clayton, VIC, 3168, Australia
| | - Agustín Ibáñez
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Av. Diag. Las Torres 2640, Santiago Región Metropolitana, Peñalolén, 7941169, Chile.
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), 1207 1651 4th St, 3rd Floor, San Francisco, CA, 94143, USA.
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Vito Dumas 284, B1644BID, Buenos Aires, VIC, Argentina.
- Trinity College Institute of Neuroscience, Trinity College Dublin, 152 - 160 Pearse St, Dublin, D02 R590, Ireland.
- Trinity College Dublin, Lloyd Building Trinity College Dublin, Dublin, D02 PN40, Ireland.
| | - Enzo Tagliazucchi
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Av. Diag. Las Torres 2640, Santiago Región Metropolitana, Peñalolén, 7941169, Chile.
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Vito Dumas 284, B1644BID, Buenos Aires, VIC, Argentina.
- National Scientific and Technical Research Council (CONICET), Godoy Cruz 2290, CABA, 1425, Argentina.
- Institute of Applied and Interdisciplinary Physics and Department of Physics, University of Buenos Aires, Pabellón 1, Ciudad Universitaria, CABA, 1428, Argentina.
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7
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Ferrante FJ, Migeot J, Birba A, Amoruso L, Pérez G, Hesse E, Tagliazucchi E, Estienne C, Serrano C, Slachevsky A, Matallana D, Reyes P, Ibáñez A, Fittipaldi S, Campo CG, García AM. Multivariate word properties in fluency tasks reveal markers of Alzheimer's dementia. Alzheimers Dement 2024; 20:925-940. [PMID: 37823470 PMCID: PMC10916979 DOI: 10.1002/alz.13472] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/15/2023] [Accepted: 08/20/2023] [Indexed: 10/13/2023]
Abstract
INTRODUCTION Verbal fluency tasks are common in Alzheimer's disease (AD) assessments. Yet, standard valid response counts fail to reveal disease-specific semantic memory patterns. Here, we leveraged automated word-property analysis to capture neurocognitive markers of AD vis-à-vis behavioral variant frontotemporal dementia (bvFTD). METHODS Patients and healthy controls completed two fluency tasks. We counted valid responses and computed each word's frequency, granularity, neighborhood, length, familiarity, and imageability. These features were used for group-level discrimination, patient-level identification, and correlations with executive and neural (magnetic resonanance imaging [MRI], functional MRI [fMRI], electroencephalography [EEG]) patterns. RESULTS Valid responses revealed deficits in both disorders. Conversely, frequency, granularity, and neighborhood yielded robust group- and subject-level discrimination only in AD, also predicting executive outcomes. Disease-specific cortical thickness patterns were predicted by frequency in both disorders. Default-mode and salience network hypoconnectivity, and EEG beta hypoconnectivity, were predicted by frequency and granularity only in AD. DISCUSSION Word-property analysis of fluency can boost AD characterization and diagnosis. HIGHLIGHTS We report novel word-property analyses of verbal fluency in AD and bvFTD. Standard valid response counts captured deficits and brain patterns in both groups. Specific word properties (e.g., frequency, granularity) were altered only in AD. Such properties predicted cognitive and neural (MRI, fMRI, EEG) patterns in AD. Word-property analysis of fluency can boost AD characterization and diagnosis.
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Affiliation(s)
- Franco J. Ferrante
- Centro de Neurociencias CognitivasUniversidad de San AndrésVictoriaProvincia de Buenos AiresArgentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Ciudad Autónoma de Buenos AiresArgentina
- Facultad de IngenieríaUniversidad de Buenos Aires (FIUBA)CABAArgentina
| | - Joaquín Migeot
- Latin American Brain Health (BrainLat) InstituteUniversidad Adolfo IbáñezPeñalolénRegión MetropolitanaChile
- Center for Social and Cognitive Neuroscience (CSCN)School of PsychologyUniversidad Adolfo IbáñezLas CondesChile
| | - Agustina Birba
- Centro de Neurociencias CognitivasUniversidad de San AndrésVictoriaProvincia de Buenos AiresArgentina
- Instituto Universitario de NeurocienciaUniversidad de La LagunaLa LagunaTenerifeEspaña
- Cognitive Department of PsychologyUniversidad de La LagunaLa LagunaTenerifeEspaña
| | - Lucía Amoruso
- Centro de Neurociencias CognitivasUniversidad de San AndrésVictoriaProvincia de Buenos AiresArgentina
- Basque Center on Cognition Brain and Language (BCBL)San SebastiánGipuzkoaEspaña
- IkerbasqueBasque Foundation for ScienceBilbaoSpain
| | - Gonzalo Pérez
- Centro de Neurociencias CognitivasUniversidad de San AndrésVictoriaProvincia de Buenos AiresArgentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Ciudad Autónoma de Buenos AiresArgentina
- Facultad de IngenieríaUniversidad de Buenos Aires (FIUBA)CABAArgentina
| | - Eugenia Hesse
- Centro de Neurociencias CognitivasUniversidad de San AndrésVictoriaProvincia de Buenos AiresArgentina
- Departamento de Matemática y CienciasUniversidad de San AndrésVictoriaProvincia de Buenos AiresArgentina
| | - Enzo Tagliazucchi
- Latin American Brain Health (BrainLat) InstituteUniversidad Adolfo IbáñezPeñalolénRegión MetropolitanaChile
- Departamento de FísicaUniversidad de Buenos Aires and Instituto de Física de Buenos Aires (IFIBA‐CONICET)CABAArgentina
| | - Claudio Estienne
- Instituto de Ingeniería BiomédicaUniversidad de Buenos AiresBuenos AiresArgentina
| | - Cecilia Serrano
- Unidad de Neurología CognitivaHospital César MilsteinCABAArgentina
| | - Andrea Slachevsky
- Neuropsychology and Clinical Neuroscience Laboratory (LANNEC)Physiopathology Department ‐ ICBMNeurocience and East Neuroscience DepartmentsFaculty of MedicineUniversity of ChileProvidenciaSantiagoChile
- Geroscience Center for Brain Health and Metabolism (GERO)Faculty of MedicineUniversity of ChileProvidenciaSantiagoChile
- Memory and Neuropsychiatric Clinic (CMYN) Neurology DepartmentHospital del Salvador and Faculty of MedicineUniversity of ChileProvidenciaSantiagoChile
- Servicio de NeurologíaDepartamento de MedicinaClínica Alemana‐Universidad del DesarrolloLas CondesRegión MetropolitanaChile
| | - Diana Matallana
- Instituto de EnvejecimientoDepartment of PsychiatrySchool of MedicinePontifical Xaverian UniversityBogotáColombia
- Department of Mental HealthHospital Universitario Santa Fe de BogotáBogotáColombia
| | - Pablo Reyes
- Centro de Memoria y CogniciónIntellectus‐Hospital Universitario San IgnacioBogotáColombia
- Pontificia Universidad JaverianaDepartments of PhysiologyPsychiatry and Aging InstituteBogotáColombia
| | - Agustín Ibáñez
- Centro de Neurociencias CognitivasUniversidad de San AndrésVictoriaProvincia de Buenos AiresArgentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Ciudad Autónoma de Buenos AiresArgentina
- Latin American Brain Health (BrainLat) InstituteUniversidad Adolfo IbáñezPeñalolénRegión MetropolitanaChile
- Global Brain Health Institute, University of California San Francisco, San Francisco, California, USATrinity College DublinDublinIreland
| | - Sol Fittipaldi
- Centro de Neurociencias CognitivasUniversidad de San AndrésVictoriaProvincia de Buenos AiresArgentina
- Latin American Brain Health (BrainLat) InstituteUniversidad Adolfo IbáñezPeñalolénRegión MetropolitanaChile
- Global Brain Health Institute, University of California San Francisco, San Francisco, California, USATrinity College DublinDublinIreland
| | - Cecilia Gonzalez Campo
- Centro de Neurociencias CognitivasUniversidad de San AndrésVictoriaProvincia de Buenos AiresArgentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Ciudad Autónoma de Buenos AiresArgentina
| | - Adolfo M. García
- Centro de Neurociencias CognitivasUniversidad de San AndrésVictoriaProvincia de Buenos AiresArgentina
- Latin American Brain Health (BrainLat) InstituteUniversidad Adolfo IbáñezPeñalolénRegión MetropolitanaChile
- Global Brain Health Institute, University of California San Francisco, San Francisco, California, USATrinity College DublinDublinIreland
- Departamento de Lingüística y LiteraturaFacultad de HumanidadesUniversidad de Santiago de ChileEstación CentralSantiagoChile
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8
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Calderón-Garcidueñas L, Stommel EW, Torres-Jardón R, Hernández-Luna J, Aiello-Mora M, González-Maciel A, Reynoso-Robles R, Pérez-Guillé B, Silva-Pereyra HG, Tehuacanero-Cuapa S, Rodríguez-Gómez A, Lachmann I, Galaz-Montoya C, Doty RL, Roy A, Mukherjee PS. Alzheimer and Parkinson diseases, frontotemporal lobar degeneration and amyotrophic lateral sclerosis overlapping neuropathology start in the first two decades of life in pollution exposed urbanites and brain ultrafine particulate matter and industrial nanoparticles, including Fe, Ti, Al, V, Ni, Hg, Co, Cu, Zn, Ag, Pt, Ce, La, Pr and W are key players. Metropolitan Mexico City health crisis is in progress. Front Hum Neurosci 2024; 17:1297467. [PMID: 38283093 PMCID: PMC10811680 DOI: 10.3389/fnhum.2023.1297467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/08/2023] [Indexed: 01/30/2024] Open
Abstract
The neuropathological hallmarks of Alzheimer's disease (AD), Parkinson's disease (PD), frontotemporal lobar degeneration (FTLD), and amyotrophic lateral sclerosis (ALS) are present in urban children exposed to fine particulate matter (PM2.5), combustion and friction ultrafine PM (UFPM), and industrial nanoparticles (NPs). Metropolitan Mexico City (MMC) forensic autopsies strongly suggest that anthropogenic UFPM and industrial NPs reach the brain through the nasal/olfactory, lung, gastrointestinal tract, skin, and placental barriers. Diesel-heavy unregulated vehicles are a key UFPM source for 21.8 million MMC residents. We found that hyperphosphorylated tau, beta amyloid1-42, α-synuclein, and TAR DNA-binding protein-43 were associated with NPs in 186 forensic autopsies (mean age 27.45 ± 11.89 years). The neurovascular unit is an early NPs anatomical target, and the first two decades of life are critical: 100% of 57 children aged 14.8 ± 5.2 years had AD pathology; 25 (43.9%) AD+TDP-43; 11 (19.3%) AD + PD + TDP-43; and 2 (3.56%) AD +PD. Fe, Ti, Hg, Ni, Co, Cu, Zn, Cd, Al, Mg, Ag, Ce, La, Pr, W, Ca, Cl, K, Si, S, Na, and C NPs are seen in frontal and temporal lobes, olfactory bulb, caudate, substantia nigra, locus coeruleus, medulla, cerebellum, and/or motor cortical and spinal regions. Endothelial, neuronal, and glial damages are extensive, with NPs in mitochondria, rough endoplasmic reticulum, the Golgi apparatus, and lysosomes. Autophagy, cell and nuclear membrane damage, disruption of nuclear pores and heterochromatin, and cell death are present. Metals associated with abrasion and deterioration of automobile catalysts and electronic waste and rare earth elements, i.e., lanthanum, cerium, and praseodymium, are entering young brains. Exposure to environmental UFPM and industrial NPs in the first two decades of life are prime candidates for initiating the early stages of fatal neurodegenerative diseases. MMC children and young adults-surrogates for children in polluted areas around the world-exhibit early AD, PD, FTLD, and ALS neuropathological hallmarks forecasting serious health, social, economic, academic, and judicial societal detrimental impact. Neurodegeneration prevention should be a public health priority as the problem of human exposure to particle pollution is solvable. We are knowledgeable of the main emission sources and the technological options to control them. What are we waiting for?
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Affiliation(s)
| | - Elijah W. Stommel
- Department of Neurology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Ricardo Torres-Jardón
- Instituto de Ciencias de la Atmósfera y Cambio Climático, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | | | - Mario Aiello-Mora
- Otorrinolaryngology Department, Instituto Nacional de Cardiología, Mexico City, Mexico
| | | | | | | | | | | | | | | | | | - Richard L. Doty
- Perelman School of Medicine, Smell and Taste Center, University of Pennsylvania, Philadelphia, PA, United States
| | - Anik Roy
- Interdisciplinary Statistical Research Unit, Indian Statistical Institute, Kolkata, India
| | - Partha S. Mukherjee
- Interdisciplinary Statistical Research Unit, Indian Statistical Institute, Kolkata, India
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9
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Jonson C, Levine KS, Lake J, Hertslet L, Jones L, Patel D, Kim J, Bandres-Ciga S, Terry N, Mata IF, Blauwendraat C, Singleton AB, Nalls MA, Yokoyama JS, Leonard HL. Assessing the lack of diversity in genetics research across neurodegenerative diseases: a systematic review of the GWAS Catalog and literature. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.01.08.24301007. [PMID: 38260595 PMCID: PMC10802650 DOI: 10.1101/2024.01.08.24301007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Importance The under-representation of participants with non-European ancestry in genome-wide association studies (GWAS) is a critical issue that has significant implications, including hindering the progress of precision medicine initiatives. This issue is particularly significant in the context of neurodegenerative diseases (NDDs), where current therapeutic approaches have shown limited success. Addressing this under-representation is crucial to harnessing the full potential of genomic medicine in underserved communities and improving outcomes for NDD patients. Objective Our primary objective was to assess the representation of non-European ancestry participants in genetic discovery efforts related to NDDs. We aimed to quantify the extent of inclusion of diverse ancestry groups in NDD studies and determine the number of associated loci identified in more inclusive studies. Specifically, we sought to highlight the disparities in research efforts and outcomes between studies predominantly involving European ancestry participants and those deliberately targeting non-European or multi-ancestry populations across NDDs. Evidence Review We conducted a systematic review utilizing existing GWAS results and publications to assess the inclusion of diverse ancestry groups in neurodegeneration and neurogenetics studies. Our search encompassed studies published up to the end of 2022, with a focus on identifying research that deliberately included non-European or multi-ancestry cohorts. We employed rigorous methods for the inclusion of identified articles and quality assessment. Findings Our review identified a total of 123 NDD GWAS. Strikingly, 82% of these studies predominantly featured participants of European ancestry. Endeavors specifically targeting non-European or multi-ancestry populations across NDDs identified only 52 risk loci. This contrasts with predominantly European studies, which reported over 90 risk loci for a single disease. Encouragingly, over 65% of these discoveries occurred in 2020 or later, indicating a recent increase in studies deliberately including non-European cohorts. Conclusions and relevance Our findings underscore the pressing need for increased diversity in neurodegenerative research. The significant under-representation of non-European ancestry participants in NDD GWAS limits our understanding of the genetic underpinnings of these diseases. To advance the field of neurodegenerative research and develop more effective therapies, it is imperative that future investigations prioritize and harness the genomic diversity present within and across global populations.
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Affiliation(s)
- Caroline Jonson
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
- DataTecnica LLC, Washington, DC USA 20037
- Pharmaceutical Sciences and Pharmacogenomics, UCSF, San Francisco, CA, USA
- Memory and Aging Center, Department of Neurology, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA USA
| | - Kristin S. Levine
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
- DataTecnica LLC, Washington, DC USA 20037
| | - Julie Lake
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
- Laboratory of Neurogenetics, National Institutes on Aging, National Institutes of Health, Bethesda, MD USA 20892
| | - Linnea Hertslet
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
| | - Lietsel Jones
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
- DataTecnica LLC, Washington, DC USA 20037
| | - Dhairya Patel
- Integrative Neurogenomics Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Jeff Kim
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
- Laboratory of Neurogenetics, National Institutes on Aging, National Institutes of Health, Bethesda, MD USA 20892
| | - Sara Bandres-Ciga
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
| | - Nancy Terry
- Division of Library Services, Office of Research Services, National Institutes of Health, Bethesda, Maryland, U.S.A
| | - Ignacio F. Mata
- Genomic Medicine Institute, Lerner Research Institute, Genomic Medicine, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Cornelis Blauwendraat
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
- Integrative Neurogenomics Unit, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | - Andrew B. Singleton
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
- Laboratory of Neurogenetics, National Institutes on Aging, National Institutes of Health, Bethesda, MD USA 20892
| | - Mike A. Nalls
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
- DataTecnica LLC, Washington, DC USA 20037
- Laboratory of Neurogenetics, National Institutes on Aging, National Institutes of Health, Bethesda, MD USA 20892
| | - Jennifer S. Yokoyama
- Pharmaceutical Sciences and Pharmacogenomics, UCSF, San Francisco, CA, USA
- Memory and Aging Center, Department of Neurology, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA USA
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA USA
| | - Hampton L. Leonard
- Center for Alzheimer’s and Related Dementias, National Institutes of Health, Bethesda, MD USA 20892
- DataTecnica LLC, Washington, DC USA 20037
- Laboratory of Neurogenetics, National Institutes on Aging, National Institutes of Health, Bethesda, MD USA 20892
- German Center for Neurodegenerative Diseases (DZNE), Tübingen, Germany
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10
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Prado P, Medel V, Gonzalez-Gomez R, Sainz-Ballesteros A, Vidal V, Santamaría-García H, Moguilner S, Mejia J, Slachevsky A, Behrens MI, Aguillon D, Lopera F, Parra MA, Matallana D, Maito MA, Garcia AM, Custodio N, Funes AÁ, Piña-Escudero S, Birba A, Fittipaldi S, Legaz A, Ibañez A. The BrainLat project, a multimodal neuroimaging dataset of neurodegeneration from underrepresented backgrounds. Sci Data 2023; 10:889. [PMID: 38071313 PMCID: PMC10710425 DOI: 10.1038/s41597-023-02806-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023] Open
Abstract
The Latin American Brain Health Institute (BrainLat) has released a unique multimodal neuroimaging dataset of 780 participants from Latin American. The dataset includes 530 patients with neurodegenerative diseases such as Alzheimer's disease (AD), behavioral variant frontotemporal dementia (bvFTD), multiple sclerosis (MS), Parkinson's disease (PD), and 250 healthy controls (HCs). This dataset (62.7 ± 9.5 years, age range 21-89 years) was collected through a multicentric effort across five Latin American countries to address the need for affordable, scalable, and available biomarkers in regions with larger inequities. The BrainLat is the first regional collection of clinical and cognitive assessments, anatomical magnetic resonance imaging (MRI), resting-state functional MRI (fMRI), diffusion-weighted MRI (DWI), and high density resting-state electroencephalography (EEG) in dementia patients. In addition, it includes demographic information about harmonized recruitment and assessment protocols. The dataset is publicly available to encourage further research and development of tools and health applications for neurodegeneration based on multimodal neuroimaging, promoting the assessment of regional variability and inclusion of underrepresented participants in research.
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Affiliation(s)
- Pavel Prado
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- Escuela de Fonoaudiología, Facultad de Odontología y Ciencias de la Rehabilitación, Universidad San Sebastián, Santiago, Chile
| | - Vicente Medel
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Raul Gonzalez-Gomez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
| | | | - Victor Vidal
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Hernando Santamaría-García
- PhD Neuroscience Program, Physiology and Psychiatry Departments, Pontificia Universidad Javeriana, Bogotá, Colombia
- Memory and Cognition Center Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia
- Global Brain Health Institute, University of California San Francisco, San Francisco, USA
- Global Brain Health Institute, Trinity College Dublin, Dublin, Ireland
| | - Sebastian Moguilner
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Jhony Mejia
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- Departamento de Ingeniería Biomédica, Universidad de Los Andes, Bogotá, Colombia
- Memory and Aging Clinic, University of California San Francisco, San Francisco, USA
| | - Andrea Slachevsky
- Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Department - Institute of Biomedical Sciences (ICBM), Neurocience and East Neuroscience Departments, Faculty of Medicine, University of Chile, Santiago de Chile, Chile
- Geroscience Center for Brain Health and Metabolism, (GERO), Santiago de Chile, Chile
- Memory and Neuropsychiatric Center (CMYN), Memory Unit - Neurology Department, Hospital del Salvador and Faculty of Medicine, University of Chile, Santiago de Chile, Chile
- Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, Santiago de Chile, Chile
| | - Maria Isabel Behrens
- Centro de Investigación Clínica Avanzada (CICA), Facultad de Medicina-Hospital Clínico, Universidad de Chile, Independencia, Santiago, 8380453, Chile
- Departamento de Neurología y Neurocirugía, Hospital Clínico Universidad de Chile, Independencia, Santiago, 8380430, Chile
- Departamento de Neurociencia, Facultad de Medicina, Universidad de Chile, Independencia, Santiago, 8380453, Chile
- Departamento de Neurología y Psiquiatría, Clínica Alemana-Universidad del Desarrollo, Santiago, 8370065, Chile
| | - David Aguillon
- Grupo de Neurociencias de Antioquia de la Universidad de Antioquia, Medellín, Colombia
| | - Francisco Lopera
- Grupo de Neurociencias de Antioquia de la Universidad de Antioquia, Medellín, Colombia
| | - Mario A Parra
- School of Psychological Sciences and Health, University of Strathclyde, Glasgow, United Kingdom
| | - Diana Matallana
- PhD Neuroscience Program, Physiology and Psychiatry Departments, Pontificia Universidad Javeriana, Bogotá, Colombia
- Memory and Cognition Center Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia
- Mental Health Department, Hospital Universitario Fundación Santa Fe de Bogotá, Memory Clinic, Bogotá, Colombia
| | - Marcelo Adrián Maito
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina
| | - Adolfo M Garcia
- Global Brain Health Institute, University of California San Francisco, San Francisco, USA
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
| | - Nilton Custodio
- Unit Cognitive Impairment and Dementia Prevention, Peruvian Institute of Neurosciences, Lima, Peru
| | - Alberto Ávila Funes
- Geriatrics Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Stefanie Piña-Escudero
- Global Brain Health Institute, University of California San Francisco, San Francisco, USA
- Memory and Aging Clinic, University of California San Francisco, San Francisco, USA
| | - Agustina Birba
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina
- Instituto Universitario de Neurociencia, Universidad de La Laguna, Tenerife, Spain
- Facultad de Psicología, Universidad de La Laguna, Tenerife, Spain
| | - Sol Fittipaldi
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- Global Brain Health Institute, Trinity College Dublin, Dublin, Ireland
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina
| | - Agustina Legaz
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina
| | - Agustín Ibañez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile.
- Global Brain Health Institute, University of California San Francisco, San Francisco, USA.
- Global Brain Health Institute, Trinity College Dublin, Dublin, Ireland.
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina.
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11
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Franzen S, Nuytemans K, Bourdage R, Caramelli P, Ellajosyula R, Finger E, Illán-Gala I, Loi SM, Morhardt D, Pijnenburg Y, Rascovsky K, Williams MM, Yokoyama J, Alladi S, Broce I, Castro-Suarez S, Coleman K, de Souza LC, Dacks PA, de Boer SCM, de Leon J, Dodge S, Grasso S, Gupta V, Gupta V, Ghoshal N, Kamath V, Kumfor F, Matias-Guiu JA, Narme P, Nielsen TR, Okhuevbie D, Piña-Escudero SD, Garcia RR, Scarioni M, Slachevsky A, Suarez-Gonzalez A, Tee BL, Tsoy E, Ulugut H, Babulal GM, Onyike CU. Gaps in clinical research in frontotemporal dementia: A call for diversity and disparities-focused research. Alzheimers Dement 2023; 19:5817-5836. [PMID: 37270665 PMCID: PMC10693651 DOI: 10.1002/alz.13129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 02/06/2023] [Indexed: 06/05/2023]
Abstract
Frontotemporal dementia (FTD) is one of the leading causes of dementia before age 65 and often manifests as abnormal behavior (in behavioral variant FTD) or language impairment (in primary progressive aphasia). FTD's exact clinical presentation varies by culture, language, education, social norms, and other socioeconomic factors; current research and clinical practice, however, is mainly based on studies conducted in North America and Western Europe. Changes in diagnostic criteria and procedures as well as new or adapted cognitive tests are likely needed to take into consideration global diversity. This perspective paper by two professional interest areas of the Alzheimer's Association International Society to Advance Alzheimer's Research and Treatment examines how increasing global diversity impacts the clinical presentation, screening, assessment, and diagnosis of FTD and its treatment and care. It subsequently provides recommendations to address immediate needs to advance global FTD research and clinical practice.
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Affiliation(s)
- Sanne Franzen
- Department of Neurology and Alzheimer Center, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Karen Nuytemans
- John P. Hussman Institute for Human Genomics and Dr. John T. Macdonald Department of Human Genetics, University of Miami, Miller School of Medicine, Miami, FL
| | - Renelle Bourdage
- Department of Neurology and Alzheimer Center, Erasmus MC University Medical Center, Rotterdam, the Netherlands
- Laboratoire Mémoire Cerveau et Cognition (UR 7536), Institut de Psychologie, Université Paris Cité, Boulogne-Billancourt, France
| | - Paulo Caramelli
- Behavioral and Cognitive Neurology Research Group, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte (MG), Brazil
| | - Ratnavalli Ellajosyula
- Manipal Hospitals, Bangalore and Annasawmy Mudaliar Hospital, Bangalore, India
- Manipal Academy of Higher Education (MAHE), India
| | - Elizabeth Finger
- Parkwood Institute Research, London, Ontario, Canada
- Robarts Research Institute, University of Western Ontario, London, Ontario, Canada
- Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
| | - Ignacio Illán-Gala
- Sant Pau Memory Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación en Red-Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - Samantha M. Loi
- Neuropsychiatry, Royal Melbourne Hospital, Parkville VIC Australia 3050
- Department of Psychiatry, University of Melbourne, Parkville VIC Australia 3052
| | - Darby Morhardt
- Mesulam Center for Cognitive Neurology and Alzheimer’s Disease and Department of Preventive Medicine, Northwestern University Feinberg School of Medicine
| | - Yolande Pijnenburg
- Alzheimer Center Amsterdam, Neurology, Vrije Universiteit Amsterdam, Amsterdam UMC location VUmc, Amsterdam, The Netherlands
- Amsterdam Neuroscience, Neurodegeneration, Amsterdam, The Netherlands
| | - Katya Rascovsky
- Department of Neurology and Penn Frontotemporal Degeneration Center, University of Pennsylvania Perelman School of Medicine
| | | | - Jennifer Yokoyama
- Memory and Aging Center, Department of Neurology, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA 94158, USA
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Suvarna Alladi
- National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Iris Broce
- Department of Neurosciences, UC San Diego
- Department of Neurology, UC San Francisco
| | - Sheila Castro-Suarez
- CBI en Demencias y Enfermedades Desmielinizantes del Sistema Nervioso, Instituto Nacional de Ciencias Neurológicas, Lima, Peru
- Atlantic Senior Fellow for Equity in Brain Health at the University of California San Francisco, San Francisco, CA, 94115, USA
| | | | - Leonardo Cruz de Souza
- Department of Internal Medicine, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Sterre C. M. de Boer
- Alzheimer Center Amsterdam, Neurology, Vrije Universiteit Amsterdam, Amsterdam UMC location VUmc, Amsterdam, The Netherlands
- Amsterdam Neuroscience, Neurodegeneration, Amsterdam, The Netherlands
| | - Jessica de Leon
- Department of Neurology, Memory and Aging Center, University of California, San Francisco, CA, USA
| | - Shana Dodge
- The Association for Frontotemporal Degeneration
| | - Stephanie Grasso
- Speech, Language and Hearing Sciences, The University of Texas at Austin
| | - Veer Gupta
- IMPACT—The Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Deakin University, Geelong, VIC 3216, Australia
| | - Vivek Gupta
- Macquarie Medical school, Faculty of Medicine, Health and Human Sciences, Macquarie University, NSW, Australia
| | - Nupur Ghoshal
- Depts. of Neurology and Psychiatry, Knight Alzheimer Disease Research Center, Washington University School of Medicine
| | - Vidyulata Kamath
- Department of Psychiatry and Behavioral Sciences, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Fiona Kumfor
- The University of Sydney, Brain & Mind Centre and the School of Psychology, Sydney, Australia
| | - Jordi A. Matias-Guiu
- Department of Neurology, Hospital Clinico San Carlos, San Carlos Institute for Health Research (IdiSSC), Universidad Complutense, Madrid, Spain
| | - Pauline Narme
- Laboratoire Mémoire Cerveau et Cognition (UR 7536), Institut de Psychologie, Université Paris Cité, Boulogne-Billancourt, France
| | - T. Rune Nielsen
- Danish Dementia Research Center, Department of Neurology, The Neuroscience Center, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Daniel Okhuevbie
- Department of Cell Biology and Genetics, University of Lagos, Nigeria
- Department of Comparative Biosciences, University of Wisconsin-Madison, USA
| | - Stefanie D. Piña-Escudero
- Global Brain Health Institute at the Memory and Aging Center. University of California, San Francisco, USA
| | - Ramiro Ruiz Garcia
- Instituto Nacional de Neurología y Neurocirurgía Manuel Velasco Suárez, Mexico DF, Mexico
| | - Marta Scarioni
- Alzheimer Center Amsterdam, Neurology, Vrije Universiteit Amsterdam, Amsterdam UMC location VUmc, Amsterdam, The Netherlands
- Department of Neurology, Ghent University Hospital, Ghent, Belgium
| | - Andrea Slachevsky
- Geroscience Center for Brain Health and Metabolism (GERO), Santiago, Chile
- Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Department - Intitute of Biomedical Sciences (ICBM), Neurocience and East Neuroscience Departments, Faculty of Medicine, University of Chile, Santiago, Chile
- Memory and Neuropsychiatric Center (CMYN), Memory Unit, Neurology Department, Hospital del Salvador and Faculty of Medicine, University of Chile, Santiago, Chile
- Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Aida Suarez-Gonzalez
- Dementia Research Centre, UCL Queen Square Institute of Neurology, University College London, London WC1N 3BG, UK
| | - Boon Lead Tee
- Memory and Aging Center, University of California at San Francisco, San Francisco, CA, United States
- Department of Neurology, Dyslexia Center, University of California, San Francisco, CA, United States
- Global Brain Health Institute, University of California, San Francisco, United States
| | - Elena Tsoy
- Speech, Language and Hearing Sciences, The University of Texas at Austin
- Global Brain Health Institute, University of California San Francisco and Trinity College Dublin
| | - Hülya Ulugut
- Alzheimer Center Amsterdam, Neurology, Vrije Universiteit Amsterdam, Amsterdam UMC location VUmc, Amsterdam, The Netherlands
- Amsterdam Neuroscience, Neurodegeneration, Amsterdam, The Netherlands
- Department of Neurology, Memory and Aging Center, University of California, San Francisco, CA, USA
| | - Ganesh M. Babulal
- Department of Neurology, Washington University in St. Louis, St. Louis, MO, USA
- Institute of Public Health, Washington University in St. Louis, St. Louis, MO, USA
- Department of Psychology, Faculty of Humanities, University of Johannesburg, South Africa
- Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Chiadi U. Onyike
- Department of Psychiatry and Behavioral Sciences, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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12
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Dawson WD, Booi L, Pintado-Caipa M, Okada de Oliveira M, Kornhuber A, Spoden N, Golonka O, Shallcross L, Davidziuk A, Cominetti MR, Vergara-Manríquez M, Kochhann R, Robertson I, Eyre HA, Ibáñez A. The Brain Health Diplomat's Toolkit: supporting brain health diplomacy leaders in Latin America and the Caribbean. LANCET REGIONAL HEALTH. AMERICAS 2023; 28:100627. [PMID: 38046464 PMCID: PMC10689283 DOI: 10.1016/j.lana.2023.100627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 12/05/2023]
Abstract
Maintaining and improving brain health, one of the most critical global challenges of this century, necessitates innovative, interdisciplinary, and collaborative strategies to address the growing challenges in Latin America and the Caribbean. This paper introduces Brain Health Diplomacy (BHD) as a pioneering approach to bridge disciplinary and geographic boundaries and mobilize resources to promote equitable brain health outcomes in the region. Our framework provides a toolkit for emerging brain health leaders, equipping them with essential concepts and practical resources to apply in their professional work and collaborations. By providing case studies, we highlight the importance of culturally sensitive, region-specific interventions to address unique needs of vulnerable populations. By encouraging dialogue, ideation, and cross-sector discussions, we aspire to develop new research, policy, and programmatic avenues. The novel BHD approach has the potential to revolutionize brain health across the region and beyond, ultimately contributing to a more equitable global cognitive health landscape.
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Affiliation(s)
- Walter D. Dawson
- Global Brain Health Institute at University of California, San Francisco (UCSF), GBHI Memory and Aging Center, MC: 1207 1651 4th St, 3rd Floor, San Francisco, CA 94143, USA and Trinity College Dublin, Room 0.60, Lloyd Building, Dublin 2, Ireland
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
- Layton Aging & Alzheimer's Disease Research Center, Department of Neurology, School of Medicine, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, CR131, Portland, OR, 97239, USA
- Institute on Aging, Portland State University, 1825 SW Broadway, Portland, OR, 97201, USA
| | - Laura Booi
- Global Brain Health Institute at University of California, San Francisco (UCSF), GBHI Memory and Aging Center, MC: 1207 1651 4th St, 3rd Floor, San Francisco, CA 94143, USA and Trinity College Dublin, Room 0.60, Lloyd Building, Dublin 2, Ireland
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
- Centre for Dementia Research, School of Health, Leeds Beckett University, City Campus, Leeds, LS1 3HE, United Kingdom
| | - Maritza Pintado-Caipa
- Global Brain Health Institute at University of California, San Francisco (UCSF), GBHI Memory and Aging Center, MC: 1207 1651 4th St, 3rd Floor, San Francisco, CA 94143, USA and Trinity College Dublin, Room 0.60, Lloyd Building, Dublin 2, Ireland
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
- Department of Neurology, Peruvian Institute of Neurosciences, Bartolomé Herrera 161, Lince, 15046, Lima, Peru
| | - Maira Okada de Oliveira
- Global Brain Health Institute at University of California, San Francisco (UCSF), GBHI Memory and Aging Center, MC: 1207 1651 4th St, 3rd Floor, San Francisco, CA 94143, USA and Trinity College Dublin, Room 0.60, Lloyd Building, Dublin 2, Ireland
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
- Department of Psychiatry, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA
- Cognitive Neurology and Behavioral Unit (GNCC), University of São Paulo, Butanta, São Paulo, Brazil
| | - Alex Kornhuber
- Global Brain Health Institute at University of California, San Francisco (UCSF), GBHI Memory and Aging Center, MC: 1207 1651 4th St, 3rd Floor, San Francisco, CA 94143, USA and Trinity College Dublin, Room 0.60, Lloyd Building, Dublin 2, Ireland
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
| | - Natasha Spoden
- Layton Aging & Alzheimer's Disease Research Center, Department of Neurology, School of Medicine, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, CR131, Portland, OR, 97239, USA
| | - Ona Golonka
- Layton Aging & Alzheimer's Disease Research Center, Department of Neurology, School of Medicine, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, CR131, Portland, OR, 97239, USA
| | - Lenny Shallcross
- World Dementia Council, World Dementia Council Executive Team, Floor 2, 33 Cavendish Square, London, W1G 0PW, United Kingdom
| | - Alejandra Davidziuk
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
| | - Márcia Regina Cominetti
- Global Brain Health Institute at University of California, San Francisco (UCSF), GBHI Memory and Aging Center, MC: 1207 1651 4th St, 3rd Floor, San Francisco, CA 94143, USA and Trinity College Dublin, Room 0.60, Lloyd Building, Dublin 2, Ireland
- Federal University of Sao Carlos, Rod. Washington Luís, Km 235, Monjolinho, São Carlos, SP, CEP 13565-905, Brazil
| | - Mayte Vergara-Manríquez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
- University of Udine, Via Monsignor Pasquale Margreth, 3, 33100, Udine UD, Italy
- Center of Social and Cognitive Neuroscience (CSCN), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
| | - Renata Kochhann
- Research Projects Office, Hospital Moinhos de Vento, Ramiro Barcelos 610, Porto Alegre, RS, 90035-000, Brazil
| | - Ian Robertson
- Global Brain Health Institute at University of California, San Francisco (UCSF), GBHI Memory and Aging Center, MC: 1207 1651 4th St, 3rd Floor, San Francisco, CA 94143, USA and Trinity College Dublin, Room 0.60, Lloyd Building, Dublin 2, Ireland
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
| | - Harris A. Eyre
- Global Brain Health Institute at University of California, San Francisco (UCSF), GBHI Memory and Aging Center, MC: 1207 1651 4th St, 3rd Floor, San Francisco, CA 94143, USA and Trinity College Dublin, Room 0.60, Lloyd Building, Dublin 2, Ireland
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
- Baker Center for Public Policy, Rice University, 6100 Main St, Houston, TX, 77005, USA
- Institute for Mental and Physical Health and Clinical Translation (IMPACT), Deakin University, Health and Education Research Building (HERB) at Barwon Health Deakin University School of Medicine, PO Box 281, Geelong, Victoria, 3220, Australia
- Euro-Mediterranean Economists Association, C/ de St. Antoni Maria Claret, 167, 08025, Barcelona, Spain
- Meadows Mental Health Policy Institute, 2800 Swiss Ave, Dallas, TX, 75204, USA
- Department of Psychiatry, Baylor College of Medicine, 1977 Butler Blvd Suite E4.400, Houston, TX, 77030, USA
| | - Agustin Ibáñez
- Global Brain Health Institute at University of California, San Francisco (UCSF), GBHI Memory and Aging Center, MC: 1207 1651 4th St, 3rd Floor, San Francisco, CA 94143, USA and Trinity College Dublin, Room 0.60, Lloyd Building, Dublin 2, Ireland
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Diagonal las Torres 2640, Peñalolén, RM, 7941169, Chile
- Universidad San Andres, Vito Dumas 284, B1644BID, Victoria, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Godoy Cruz 2290 (C1425FQB), Buenos Aires, Argentina
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13
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Diaz MM, Pintado-Caipa M, Garcia PJ. Challenges in implementation of public policies in aging and dementia in Peru. PLOS GLOBAL PUBLIC HEALTH 2023; 3:e0002345. [PMID: 37676846 PMCID: PMC10484423 DOI: 10.1371/journal.pgph.0002345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Affiliation(s)
- Monica M. Diaz
- Department of Neurology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina, United States of America
| | - Maritza Pintado-Caipa
- Global Brain Health Institute, University of California, San Francisco, San Francisco, California, United States of America
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14
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Cochran JN, Acosta-Uribe J, Esposito BT, Madrigal L, Aguillón D, Giraldo MM, Taylor JW, Bradley J, Fulton-Howard B, Andrews SJ, Acosta-Baena N, Alzate D, Garcia GP, Piedrahita F, Lopez HE, Anderson AG, Rodriguez-Nunez I, Roberts K, Dominantly Inherited Alzheimer Network, Absher D, Myers RM, Beecham GW, Reitz C, Rizzardi LF, Fernandez MV, Goate AM, Cruchaga C, Renton AE, Lopera F, Kosik KS. Genetic associations with age at dementia onset in the PSEN1 E280A Colombian kindred. Alzheimers Dement 2023; 19:3835-3847. [PMID: 36951251 PMCID: PMC10514237 DOI: 10.1002/alz.13021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 02/03/2023] [Accepted: 02/07/2023] [Indexed: 03/24/2023]
Abstract
INTRODUCTION Genetic associations with Alzheimer's disease (AD) age at onset (AAO) could reveal genetic variants with therapeutic applications. We present a large Colombian kindred with autosomal dominant AD (ADAD) as a unique opportunity to discover AAO genetic associations. METHODS A genetic association study was conducted to examine ADAD AAO in 340 individuals with the PSEN1 E280A mutation via TOPMed array imputation. Replication was assessed in two ADAD cohorts, one sporadic early-onset AD study and four late-onset AD studies. RESULTS 13 variants had p<1×10-7 or p<1×10-5 with replication including three independent loci with candidate associations with clusterin including near CLU. Other suggestive associations were identified in or near HS3ST1, HSPG2, ACE, LRP1B, TSPAN10, and TSPAN14. DISCUSSION Variants with suggestive associations with AAO were associated with biological processes including clusterin, heparin sulfate, and amyloid processing. The detection of these effects in the presence of a strong mutation for ADAD reinforces their potentially impactful role.
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Affiliation(s)
| | - Juliana Acosta-Uribe
- Neuroscience Research Institute, University of California, Santa Barbara, California, and Department of Molecular Cellular and Developmental Biology University of California, Santa Barbara, California, USA
- Grupo de Neurociencias de Antioquia. School of Medicine. Universidad de Antioquia, Medellín, Antioquia, Colombia
| | - Bianca T Esposito
- Department of Genetics & Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Lucia Madrigal
- Grupo de Neurociencias de Antioquia. School of Medicine. Universidad de Antioquia, Medellín, Antioquia, Colombia
| | - David Aguillón
- Grupo de Neurociencias de Antioquia. School of Medicine. Universidad de Antioquia, Medellín, Antioquia, Colombia
| | - Margarita M Giraldo
- Grupo de Neurociencias de Antioquia. School of Medicine. Universidad de Antioquia, Medellín, Antioquia, Colombia
| | - Jared W Taylor
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama, USA
| | - Joseph Bradley
- Washington University School of Medicine, St. Louis, Missouri, USA
| | - Brian Fulton-Howard
- Department of Genetics & Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Shea J Andrews
- Department of Genetics & Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Natalia Acosta-Baena
- Grupo de Neurociencias de Antioquia. School of Medicine. Universidad de Antioquia, Medellín, Antioquia, Colombia
| | - Diana Alzate
- Grupo de Neurociencias de Antioquia. School of Medicine. Universidad de Antioquia, Medellín, Antioquia, Colombia
| | - Gloria P Garcia
- Grupo de Neurociencias de Antioquia. School of Medicine. Universidad de Antioquia, Medellín, Antioquia, Colombia
| | - Francisco Piedrahita
- Grupo de Neurociencias de Antioquia. School of Medicine. Universidad de Antioquia, Medellín, Antioquia, Colombia
| | - Hugo E Lopez
- Grupo de Neurociencias de Antioquia. School of Medicine. Universidad de Antioquia, Medellín, Antioquia, Colombia
| | | | | | - Kevin Roberts
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama, USA
| | | | - Devin Absher
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama, USA
| | - Richard M Myers
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama, USA
| | - Gary W Beecham
- The John P. Hussman Institute for Human Genomics, University of Miami, Miami, Florida, USA
| | - Christiane Reitz
- Department of Epidemiology, Sergievsky Center, Taub Institute for Research on the Aging Brain, Columbia University, New York, New York, USA
| | | | | | - Alison M Goate
- Department of Genetics & Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Carlos Cruchaga
- Washington University School of Medicine, St. Louis, Missouri, USA
| | - Alan E Renton
- Department of Genetics & Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Francisco Lopera
- Grupo de Neurociencias de Antioquia. School of Medicine. Universidad de Antioquia, Medellín, Antioquia, Colombia
| | - Kenneth S Kosik
- Neuroscience Research Institute, University of California, Santa Barbara, California, and Department of Molecular Cellular and Developmental Biology University of California, Santa Barbara, California, USA
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Taglino F, Cumbo F, Antognoli G, Arisi I, D'Onofrio M, Perazzoni F, Voyat R, Fiscon G, Conte F, Canevelli M, Bruno G, Mecocci P, Bertolazzi P. An ontology-based approach for modelling and querying Alzheimer's disease data. BMC Med Inform Decis Mak 2023; 23:153. [PMID: 37553569 PMCID: PMC10408169 DOI: 10.1186/s12911-023-02211-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 06/15/2023] [Indexed: 08/10/2023] Open
Abstract
BACKGROUND The recent advances in biotechnology and computer science have led to an ever-increasing availability of public biomedical data distributed in large databases worldwide. However, these data collections are far from being "standardized" so to be harmonized or even integrated, making it impossible to fully exploit the latest machine learning technologies for the analysis of data themselves. Hence, facing this huge flow of biomedical data is a challenging task for researchers and clinicians due to their complexity and high heterogeneity. This is the case of neurodegenerative diseases and the Alzheimer's Disease (AD) in whose context specialized data collections such as the one by the Alzheimer's Disease Neuroimaging Initiative (ADNI) are maintained. METHODS Ontologies are controlled vocabularies that allow the semantics of data and their relationships in a given domain to be represented. They are often exploited to aid knowledge and data management in healthcare research. Computational Ontologies are the result of the combination of data management systems and traditional ontologies. Our approach is i) to define a computational ontology representing a logic-based formal conceptual model of the ADNI data collection and ii) to provide a means for populating the ontology with the actual data in the Alzheimer Disease Neuroimaging Initiative (ADNI). These two components make it possible to semantically query the ADNI database in order to support data extraction in a more intuitive manner. RESULTS We developed: i) a detailed computational ontology for clinical multimodal datasets from the ADNI repository in order to simplify the access to these data; ii) a means for populating this ontology with the actual ADNI data. Such computational ontology immediately makes it possible to facilitate complex queries to the ADNI files, obtaining new diagnostic knowledge about Alzheimer's disease. CONCLUSIONS The proposed ontology will improve the access to the ADNI dataset, allowing queries to extract multivariate datasets to perform multidimensional and longitudinal statistical analyses. Moreover, the proposed ontology can be a candidate for supporting the design and implementation of new information systems for the collection and management of AD data and metadata, and for being a reference point for harmonizing or integrating data residing in different sources.
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Affiliation(s)
- Francesco Taglino
- Institute of Systems Analysis and Computer Science "Antonio Ruberti" (IASI), National Research Council (CNR), Via dei Taurini 19, 00185, Rome, Italy.
| | - Fabio Cumbo
- Institute of Systems Analysis and Computer Science "Antonio Ruberti" (IASI), National Research Council (CNR), Via dei Taurini 19, 00185, Rome, Italy
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, 44195, Cleveland, Ohio, USA
| | - Giulia Antognoli
- Institute of Systems Analysis and Computer Science "Antonio Ruberti" (IASI), National Research Council (CNR), Via dei Taurini 19, 00185, Rome, Italy
| | - Ivan Arisi
- European Brain Research Institute (EBRI) "Rita Levi-Montalcini", Viale Regina Elena 295, 00161, Rome, Italy
| | - Mara D'Onofrio
- European Brain Research Institute (EBRI) "Rita Levi-Montalcini", Viale Regina Elena 295, 00161, Rome, Italy
| | - Federico Perazzoni
- Department of Engineering, Uninettuno International University, Corso Vittorio Emanuele II 39, 00186, Rome, Italy
| | - Roger Voyat
- Department of Engineering, University of Roma Tre, Via della Vasca Navale 79/81, 00146, Rome, Italy
| | - Giulia Fiscon
- Department of Computer, Control, and Management Engineering "Antonio Ruberti", Sapienza University of Rome, Via Ariosto 25, 00185, Rome, Italy
| | - Federica Conte
- Institute of Systems Analysis and Computer Science "Antonio Ruberti" (IASI), National Research Council (CNR), Via dei Taurini 19, 00185, Rome, Italy
| | - Marco Canevelli
- Department of Human Neuroscience, Sapienza University of Rome, Via Ariosto 25, 00185, Rome, Italy
| | - Giuseppe Bruno
- Department of Human Neuroscience, Sapienza University of Rome, Via Ariosto 25, 00185, Rome, Italy
| | - Patrizia Mecocci
- Department of Medicine and Surgery, University of Perugia, Piazzale Gambuli 1, 06129, Perugia, Italy
- Division of Clinical Geriatrics, NVS Department, Karolinska Institutet, Nobels väg 5, Solna, 17177, Stockholm, Sweden
| | - Paola Bertolazzi
- Institute of Systems Analysis and Computer Science "Antonio Ruberti" (IASI), National Research Council (CNR), Via dei Taurini 19, 00185, Rome, Italy
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16
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Prado P, Mejía JA, Sainz‐Ballesteros A, Birba A, Moguilner S, Herzog R, Otero M, Cuadros J, Z‐Rivera L, O'Byrne DF, Parra M, Ibáñez A. Harmonized multi-metric and multi-centric assessment of EEG source space connectivity for dementia characterization. ALZHEIMER'S & DEMENTIA (AMSTERDAM, NETHERLANDS) 2023; 15:e12455. [PMID: 37424962 PMCID: PMC10329259 DOI: 10.1002/dad2.12455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 06/05/2023] [Accepted: 06/05/2023] [Indexed: 07/11/2023]
Abstract
Introduction Harmonization protocols that address batch effects and cross-site methodological differences in multi-center studies are critical for strengthening electroencephalography (EEG) signatures of functional connectivity (FC) as potential dementia biomarkers. Methods We implemented an automatic processing pipeline incorporating electrode layout integrations, patient-control normalizations, and multi-metric EEG source space connectomics analyses. Results Spline interpolations of EEG signals onto a head mesh model with 6067 virtual electrodes resulted in an effective method for integrating electrode layouts. Z-score transformations of EEG time series resulted in source space connectivity matrices with high bilateral symmetry, reinforced long-range connections, and diminished short-range functional interactions. A composite FC metric allowed for accurate multicentric classifications of Alzheimer's disease and behavioral variant frontotemporal dementia. Discussion Harmonized multi-metric analysis of EEG source space connectivity can address data heterogeneities in multi-centric studies, representing a powerful tool for accurately characterizing dementia.
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Affiliation(s)
- Pavel Prado
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo IbáñezSantiago de ChileChile
- Escuela de FonoaudiologíaFacultad de Odontología y Ciencias de la RehabilitaciónUniversidad San SebastiánSantiagoChile
| | - Jhony A. Mejía
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo IbáñezSantiago de ChileChile
- Departamento de Ingeniería BiomédicaUniversidad de Los AndesBogotáColombia
- Memory and Aging ClinicUniversity of CaliforniaSan FranciscoUnited States
| | - Agustín Sainz‐Ballesteros
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo IbáñezSantiago de ChileChile
- Cognitive Neuroscience Center (CNC)Universidad de San AndrésBuenos AiresArgentina
| | - Agustina Birba
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo IbáñezSantiago de ChileChile
- Cognitive Neuroscience Center (CNC)Universidad de San AndrésBuenos AiresArgentina
- Instituto Universitario de NeurocienciaUniversidad de La LagunaTenerifeSpain
- Facultad de PsicologíaUniversidad de La LagunaTenerifeSpain
| | - Sebastian Moguilner
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo IbáñezSantiago de ChileChile
- Cognitive Neuroscience Center (CNC)Universidad de San AndrésBuenos AiresArgentina
- Department of NeurologyMassachusetts General Hospital and Harvard Medical SchoolBostonUnited States
| | - Rubén Herzog
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo IbáñezSantiago de ChileChile
- Fundación para el Estudio de la Conciencia Humana (EcoH)Santiago de ChileChile
| | - Mónica Otero
- Facultad de Ingeniería, Arquitectura y DiseñoUniversidad San SebastiánSantiagoChile
- Centro BASAL Ciencia & Vida; Facultad de Ingeniería y TecnologíaUniversidad San SebastiánSantiago de ChileChile
| | - Jhosmary Cuadros
- Advanced Center for Electrical and Electronic Engineering (AC3E)Universidad Técnica Federico Santa MaríaValparaísoChile
| | - Lucía Z‐Rivera
- Advanced Center for Electrical and Electronic Engineering (AC3E)Universidad Técnica Federico Santa MaríaValparaísoChile
| | - Daniel Franco O'Byrne
- Center for Social and Cognitive Neuroscience (CSCN)School of PsychologyUniversidad Adolfo IbáñezSantiagoChile
| | - Mario Parra
- School of Psychological Sciences and HealthUniversity of StrathclydeGlasgowUK
| | - Agustín Ibáñez
- Latin American Brain Health Institute (BrainLat)Universidad Adolfo IbáñezSantiago de ChileChile
- Cognitive Neuroscience Center (CNC)Universidad de San AndrésBuenos AiresArgentina
- Center for Social and Cognitive Neuroscience (CSCN)School of PsychologyUniversidad Adolfo IbáñezSantiagoChile
- National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
- Global Brain Health Institute (GBHI)University of California San FranciscoCalifornia and Trinity College DublinDublinIreland
- Trinity College Dublin (TCD)DublinIreland
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17
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Legaz A, Prado P, Moguilner S, Báez S, Santamaría-García H, Birba A, Barttfeld P, García AM, Fittipaldi S, Ibañez A. Social and non-social working memory in neurodegeneration. Neurobiol Dis 2023; 183:106171. [PMID: 37257663 PMCID: PMC11177282 DOI: 10.1016/j.nbd.2023.106171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/08/2023] [Accepted: 05/24/2023] [Indexed: 06/02/2023] Open
Abstract
Although social functioning relies on working memory, whether a social-specific mechanism exists remains unclear. This undermines the characterization of neurodegenerative conditions with both working memory and social deficits. We assessed working memory domain-specificity across behavioral, electrophysiological, and neuroimaging dimensions in 245 participants. A novel working memory task involving social and non-social stimuli with three load levels was assessed across controls and different neurodegenerative conditions with recognized impairments in: working memory and social cognition (behavioral-variant frontotemporal dementia); general cognition (Alzheimer's disease); and unspecific patterns (Parkinson's disease). We also examined resting-state theta oscillations and functional connectivity correlates of working memory domain-specificity. Results in controls and all groups together evidenced increased working memory demands for social stimuli associated with frontocinguloparietal theta oscillations and salience network connectivity. Canonical frontal theta oscillations and executive-default mode network anticorrelation indexed non-social stimuli. Behavioral-variant frontotemporal dementia presented generalized working memory deficits related to posterior theta oscillations, with social stimuli linked to salience network connectivity. In Alzheimer's disease, generalized working memory impairments were related to temporoparietal theta oscillations, with non-social stimuli linked to the executive network. Parkinson's disease showed spared working memory performance and canonical brain correlates. Findings support a social-specific working memory and related disease-selective pathophysiological mechanisms.
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Affiliation(s)
- Agustina Legaz
- Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina; Universidad Nacional de Córdoba, Facultad de Psicología, Córdoba, Argentina
| | - Pavel Prado
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago, Chile; Escuela de Fonoaudiología, Facultad de Odontología y Ciencias de la Rehabilitación, Universidad San Sebastián, Santiago, Chile
| | - Sebastián Moguilner
- Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires, Argentina; Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago, Chile; Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, United States; Trinity College Dublin (TCD), Dublin, Ireland
| | | | - Hernando Santamaría-García
- Pontificia Universidad Javeriana, Medical School, Physiology and Psychiatry Departments, Memory and Cognition Center Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia
| | - Agustina Birba
- Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires, Argentina; Facultad de Psicología, Universidad de La Laguna, Tenerife, Spain; Instituto Universitario de Neurociencia, Universidad de La Laguna, Tenerife, Spain
| | - Pablo Barttfeld
- Cognitive Science Group. Instituto de Investigaciones Psicológicas (IIPsi), CONICET UNC, Facultad de Psicología, Universidad Nacional de Córdoba, Boulevard de la Reforma esquina Enfermera Gordillo, CP 5000. Córdoba, Argentina
| | - Adolfo M García
- Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires, Argentina; Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, United States; Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile; Trinity College Dublin (TCD), Dublin, Ireland
| | - Sol Fittipaldi
- Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires, Argentina; Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago, Chile; Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, United States; Trinity College Dublin (TCD), Dublin, Ireland.
| | - Agustín Ibañez
- Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina; Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago, Chile; Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, United States; Trinity College Dublin (TCD), Dublin, Ireland.
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18
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Fittipaldi S, Legaz A, Maito M, Hernandez H, Altschuler F, Canziani V, Moguilner S, Gillan C, Castillo J, Lillo P, Custodio N, Avila-Funes J, Cardona J, Slachevsky A, Henriquez F, Fraile-Vazquez M, de Souza LC, Borroni B, Hornberger M, Lopera F, Santamaria-Garcia H, Matallana D, Reyes P, Gonzalez-Campo C, Bertoux M, Ibanez A. Heterogeneous factors influence social cognition across diverse settings in brain health and age-related diseases. RESEARCH SQUARE 2023:rs.3.rs-3007086. [PMID: 37333384 PMCID: PMC10274952 DOI: 10.21203/rs.3.rs-3007086/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
Aging may diminish social cognition, which is crucial for interaction with others, and significant changes in this capacity can indicate pathological processes like dementia. However, the extent to which non-specific factors explain variability in social cognition performance, especially among older adults and in global settings, remains unknown. A computational approach assessed combined heterogeneous contributors to social cognition in a diverse sample of 1063 older adults from 9 countries. Support vector regressions predicted the performance in emotion recognition, mentalizing, and a total social cognition score from a combination of disparate factors, including clinical diagnosis (healthy controls, subjective cognitive complaints, mild cognitive impairment, Alzheimer's disease, behavioral variant frontotemporal dementia), demographics (sex, age, education, and country income as a proxy of socioeconomic status), cognition (cognitive and executive functions), structural brain reserve, and in-scanner motion artifacts. Cognitive and executive functions and educational level consistently emerged among the top predictors of social cognition across models. Such non-specific factors showed more substantial influence than diagnosis (dementia or cognitive decline) and brain reserve. Notably, age did not make a significant contribution when considering all predictors. While fMRI brain networks did not show predictive value, head movements significantly contributed to emotion recognition. Models explained between 28-44% of the variance in social cognition performance. Results challenge traditional interpretations of age-related decline, patient-control differences, and brain signatures of social cognition, emphasizing the role of heterogeneous factors. Findings advance our understanding of social cognition in brain health and disease, with implications for predictive models, assessments, and interventions.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - José Avila-Funes
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
| | | | | | | | | | | | | | | | | | | | | | - Pablo Reyes
- Latin American Brain Health Institute (BrainLat)
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19
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Prado P, Moguilner S, Mejía JA, Sainz-Ballesteros A, Otero M, Birba A, Santamaria-Garcia H, Legaz A, Fittipaldi S, Cruzat J, Tagliazucchi E, Parra M, Herzog R, Ibáñez A. Source space connectomics of neurodegeneration: One-metric approach does not fit all. Neurobiol Dis 2023; 179:106047. [PMID: 36841423 PMCID: PMC11170467 DOI: 10.1016/j.nbd.2023.106047] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 02/05/2023] [Accepted: 02/15/2023] [Indexed: 02/25/2023] Open
Abstract
Brain functional connectivity in dementia has been assessed with dissimilar EEG connectivity metrics and estimation procedures, thereby increasing results' heterogeneity. In this scenario, joint analyses integrating information from different metrics may allow for a more comprehensive characterization of brain functional interactions in different dementia subtypes. To test this hypothesis, resting-state electroencephalogram (rsEEG) was recorded in individuals with Alzheimer's Disease (AD), behavioral variant frontotemporal dementia (bvFTD), and healthy controls (HCs). Whole-brain functional connectivity was estimated in the EEG source space using 101 different types of functional connectivity, capturing linear and nonlinear interactions in both time and frequency-domains. Multivariate machine learning and progressive feature elimination was run to discriminate AD from HCs, and bvFTD from HCs, based on joint analyses of i) EEG frequency bands, ii) complementary frequency-domain metrics (e.g., instantaneous, lagged, and total connectivity), and iii) time-domain metrics with different linearity assumption (e.g., Pearson correlation coefficient and mutual information). <10% of all possible connections were responsible for the differences between patients and controls, and atypical connectivity was never captured by >1/4 of all possible connectivity measures. Joint analyses revealed patterns of hypoconnectivity (patientsHCs) in both groups was mainly identified in frontotemporal regions. These atypicalities were differently captured by frequency- and time-domain connectivity metrics, in a bandwidth-specific fashion. The multi-metric representation of source space whole-brain functional connectivity evidenced the inadequacy of single-metric approaches, and resulted in a valid alternative for the selection problem in EEG connectivity. These joint analyses reveal patterns of brain functional interdependence that are overlooked with single metrics approaches, contributing to a more reliable and interpretable description of atypical functional connectivity in neurodegeneration.
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Affiliation(s)
- Pavel Prado
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Escuela de Fonoaudiología, Facultad de Odontología y Ciencias de la Rehabilitación, Universidad San Sebastián, Santiago, Chile
| | - Sebastian Moguilner
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina
| | - Jhony A Mejía
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Departamento de Ingeniería Biomédica, Universidad de Los Andes, Bogotá, Colombia
| | | | - Mónica Otero
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad San Sebastián, Santiago, Chile; Centro BASAL Ciencia & Vida, Universidad San Sebastián, Santiago, Chile
| | - Agustina Birba
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina
| | - Hernando Santamaria-Garcia
- PhD Neuroscience Program, Physiology and Psychiatry Departments, Pontificia Universidad Javeriana, Bogotá, Colombia; Memory and Cognition Center Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia; Global Brain Health Institute, University of California San Francisco, San Francisco, California; Global Brain Health Institute, Trinity College Dublin, Dublin, Ireland
| | - Agustina Legaz
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina; National Scientific and Technical Research Council, Buenos Aires, Argentina
| | - Sol Fittipaldi
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina; Global Brain Health Institute, Trinity College Dublin, Dublin, Ireland; National Scientific and Technical Research Council, Buenos Aires, Argentina
| | - Josephine Cruzat
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Enzo Tagliazucchi
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Departamento de Física, Universidad de Buenos Aires and Instituto de Física de Buenos Aires (IFIBA -CONICET), Buenos Aires, Argentina
| | - Mario Parra
- School of Psychological Sciences and Health, University of Strathclyde, Glasgow, United Kingdom
| | - Rubén Herzog
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Fundación para el Estudio de la Conciencia Humana (EcoH), Chile
| | - Agustín Ibáñez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina; PhD Neuroscience Program, Physiology and Psychiatry Departments, Pontificia Universidad Javeriana, Bogotá, Colombia; Memory and Cognition Center Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia; Trinity College Dublin (TCD), Dublin, Ireland.
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20
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Moguilner S, Whelan R, Adams H, Valcour V, Tagliazucchi E, Ibáñez A. Visual deep learning of unprocessed neuroimaging characterises dementia subtypes and generalises across non-stereotypic samples. EBioMedicine 2023; 90:104540. [PMID: 36972630 PMCID: PMC10066533 DOI: 10.1016/j.ebiom.2023.104540] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 03/02/2023] [Accepted: 03/10/2023] [Indexed: 03/28/2023] Open
Abstract
BACKGROUND Dementia's diagnostic protocols are mostly based on standardised neuroimaging data collected in the Global North from homogeneous samples. In other non-stereotypical samples (participants with diverse admixture, genetics, demographics, MRI signals, or cultural origins), classifications of disease are difficult due to demographic and region-specific sample heterogeneities, lower quality scanners, and non-harmonised pipelines. METHODS We implemented a fully automatic computer-vision classifier using deep learning neural networks. A DenseNet was applied on raw (unpreprocessed) data from 3000 participants (behavioural variant frontotemporal dementia-bvFTD, Alzheimer's disease-AD, and healthy controls; both male and female as self-reported by participants). We tested our results in demographically matched and unmatched samples to discard possible biases and performed multiple out-of-sample validations. FINDINGS Robust classification results across all groups were achieved from standardised 3T neuroimaging data from the Global North, which also generalised to standardised 3T neuroimaging data from Latin America. Moreover, DenseNet also generalised to non-standardised, routine 1.5T clinical images from Latin America. These generalisations were robust in samples with heterogenous MRI recordings and were not confounded by demographics (i.e., were robust in both matched and unmatched samples, and when incorporating demographic variables in a multifeatured model). Model interpretability analysis using occlusion sensitivity evidenced core pathophysiological regions for each disease (mainly the hippocampus in AD, and the insula in bvFTD) demonstrating biological specificity and plausibility. INTERPRETATION The generalisable approach outlined here could be used in the future to aid clinician decision-making in diverse samples. FUNDING The specific funding of this article is provided in the acknowledgements section.
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Affiliation(s)
- Sebastian Moguilner
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA, USA; Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland; Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina; Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Robert Whelan
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA, USA; Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland; Trinity College Institute of Neuroscience (TCIN), Trinity College Dublin, Dublin, Ireland
| | - Hieab Adams
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Department of Radiology and Nuclear Medicine, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Victor Valcour
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA, USA; Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
| | - Enzo Tagliazucchi
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina; Department of Physics, University of Buenos Aires, Caba, Argentina
| | - Agustín Ibáñez
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA, USA; Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland; Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina; Trinity College Institute of Neuroscience (TCIN), Trinity College Dublin, Dublin, Ireland.
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21
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Sanz Perl Y, Fittipaldi S, Gonzalez Campo C, Moguilner S, Cruzat J, Fraile-Vazquez ME, Herzog R, Kringelbach ML, Deco G, Prado P, Ibanez A, Tagliazucchi E. Model-based whole-brain perturbational landscape of neurodegenerative diseases. eLife 2023; 12:e83970. [PMID: 36995213 PMCID: PMC10063230 DOI: 10.7554/elife.83970] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 03/15/2023] [Indexed: 03/31/2023] Open
Abstract
The treatment of neurodegenerative diseases is hindered by lack of interventions capable of steering multimodal whole-brain dynamics towards patterns indicative of preserved brain health. To address this problem, we combined deep learning with a model capable of reproducing whole-brain functional connectivity in patients diagnosed with Alzheimer's disease (AD) and behavioral variant frontotemporal dementia (bvFTD). These models included disease-specific atrophy maps as priors to modulate local parameters, revealing increased stability of hippocampal and insular dynamics as signatures of brain atrophy in AD and bvFTD, respectively. Using variational autoencoders, we visualized different pathologies and their severity as the evolution of trajectories in a low-dimensional latent space. Finally, we perturbed the model to reveal key AD- and bvFTD-specific regions to induce transitions from pathological to healthy brain states. Overall, we obtained novel insights on disease progression and control by means of external stimulation, while identifying dynamical mechanisms that underlie functional alterations in neurodegeneration.
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Affiliation(s)
- Yonatan Sanz Perl
- Department of Physics, University of Buenos AiresBuenos AiresArgentina
- National Scientific and Technical Research Council (CONICET), CABABuenos AiresArgentina
- Cognitive Neuroscience Center (CNC), Universidad de San AndrésBuenos AiresArgentina
- Center for Brain and Cognition, Computational Neuroscience Group, Universitat Pompeu FabraBarcelonaSpain
| | - Sol Fittipaldi
- National Scientific and Technical Research Council (CONICET), CABABuenos AiresArgentina
- Cognitive Neuroscience Center (CNC), Universidad de San AndrésBuenos AiresArgentina
| | - Cecilia Gonzalez Campo
- National Scientific and Technical Research Council (CONICET), CABABuenos AiresArgentina
- Cognitive Neuroscience Center (CNC), Universidad de San AndrésBuenos AiresArgentina
| | - Sebastián Moguilner
- Global Brain Health Institute, University of California, San FranciscoSan FranciscoUnited States
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo IbáñezSantiagoChile
| | - Josephine Cruzat
- Center for Brain and Cognition, Computational Neuroscience Group, Universitat Pompeu FabraBarcelonaSpain
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo IbáñezSantiagoChile
| | | | - Rubén Herzog
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo IbáñezSantiagoChile
| | - Morten L Kringelbach
- Department of Psychiatry, University of OxfordOxfordUnited Kingdom
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus UniversityÅrhusDenmark
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of MinhoBragaPortugal
- Centre for Eudaimonia and Human Flourishing, University of OxfordOxfordUnited Kingdom
| | - Gustavo Deco
- Center for Brain and Cognition, Computational Neuroscience Group, Universitat Pompeu FabraBarcelonaSpain
- Department of Information and Communication Technologies, Universitat Pompeu FabraBarcelonaSpain
- Institució Catalana de la Recerca i Estudis Avancats (ICREA)BarcelonaSpain
- Department of Neuropsychology, Max Planck Institute for Human Cognitive and Brain SciencesLeipzigGermany
- School of Psychological Sciences, Monash UniversityClaytonAustralia
| | - Pavel Prado
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo IbáñezSantiagoChile
- Escuela de Fonoaudiología, Facultad de Odontología y Ciencias de la Rehabilitación, Universidad San SebastiánSantiagoChile
| | - Agustin Ibanez
- National Scientific and Technical Research Council (CONICET), CABABuenos AiresArgentina
- Cognitive Neuroscience Center (CNC), Universidad de San AndrésBuenos AiresArgentina
- Global Brain Health Institute, University of California, San FranciscoSan FranciscoUnited States
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo IbáñezSantiagoChile
- Trinity College Institute of Neuroscience (TCIN), Trinity College DublinDublinIreland
| | - Enzo Tagliazucchi
- Department of Physics, University of Buenos AiresBuenos AiresArgentina
- National Scientific and Technical Research Council (CONICET), CABABuenos AiresArgentina
- Cognitive Neuroscience Center (CNC), Universidad de San AndrésBuenos AiresArgentina
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo IbáñezSantiagoChile
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22
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Cruzat J, Herzog R, Prado P, Sanz-Perl Y, Gonzalez-Gomez R, Moguilner S, Kringelbach ML, Deco G, Tagliazucchi E, Ibañez A. Temporal Irreversibility of Large-Scale Brain Dynamics in Alzheimer's Disease. J Neurosci 2023; 43:1643-1656. [PMID: 36732071 PMCID: PMC10008060 DOI: 10.1523/jneurosci.1312-22.2022] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 12/12/2022] [Accepted: 12/25/2022] [Indexed: 02/04/2023] Open
Abstract
Healthy brain dynamics can be understood as the emergence of a complex system far from thermodynamic equilibrium. Brain dynamics are temporally irreversible and thus establish a preferred direction in time (i.e., arrow of time). However, little is known about how the time-reversal symmetry of spontaneous brain activity is affected by Alzheimer's disease (AD). We hypothesized that the level of irreversibility would be compromised in AD, signaling a fundamental shift in the collective properties of brain activity toward equilibrium dynamics. We investigated the irreversibility from resting-state fMRI and EEG data in male and female human patients with AD and elderly healthy control subjects (HCs). We quantified the level of irreversibility and, thus, proximity to nonequilibrium dynamics by comparing forward and backward time series through time-shifted correlations. AD was associated with a breakdown of temporal irreversibility at the global, local, and network levels, and at multiple oscillatory frequency bands. At the local level, temporoparietal and frontal regions were affected by AD. The limbic, frontoparietal, default mode, and salience networks were the most compromised at the network level. The temporal reversibility was associated with cognitive decline in AD and gray matter volume in HCs. The irreversibility of brain dynamics provided higher accuracy and more distinctive information than classical neurocognitive measures when differentiating AD from control subjects. Findings were validated using an out-of-sample cohort. Present results offer new evidence regarding pathophysiological links between the entropy generation rate of brain dynamics and the clinical presentation of AD, opening new avenues for dementia characterization at different levels.SIGNIFICANCE STATEMENT By assessing the irreversibility of large-scale dynamics across multiple brain signals, we provide a precise signature capable of distinguishing Alzheimer's disease (AD) at the global, local, and network levels and different oscillatory regimes. Irreversibility of limbic, frontoparietal, default-mode, and salience networks was the most compromised by AD compared with more sensory-motor networks. Moreover, the time-irreversibility properties associated with cognitive decline and atrophy outperformed and complemented classical neurocognitive markers of AD in predictive classification performance. Findings were generalized and replicated with an out-of-sample validation procedure. We provide novel multilevel evidence of reduced irreversibility in AD brain dynamics that has the potential to open new avenues for understating neurodegeneration in terms of the temporal asymmetry of brain dynamics.
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Affiliation(s)
- Josephine Cruzat
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, 7911328, Santiago, Chile
- Fundación para el Estudio de la Conciencia Humana (ECoH), 7550000, Santiago, Chile
| | - Ruben Herzog
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, 7911328, Santiago, Chile
- Fundación para el Estudio de la Conciencia Humana (ECoH), 7550000, Santiago, Chile
| | - Pavel Prado
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, 7911328, Santiago, Chile
- Escuela de Fonoaudiología, Facultad de Odontología y Ciencias de la Rehabilitación, Universidad San Sebastián, Santiago, Chile
| | - Yonatan Sanz-Perl
- Department of Physics, University of Buenos Aires, C1428EGA, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1033AAJ, Buenos Aires, Argentina
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, C116ABJ, Buenos Aires, Argentina
- Center for Brain and Cognition, Computational Neuroscience Group, Universitat Pompeu Fabra, 08005 Barcelona, Spain
| | - Raul Gonzalez-Gomez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, 7911328, Santiago, Chile
| | - Sebastian Moguilner
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, 7911328, Santiago, Chile
- Global Brain Health Institute, University of California, San Francisco, San Francisco, California 94143
- Global Brain Health Institute, Trinity College, Dublin 2, Ireland
| | - Morten L Kringelbach
- Department of Psychiatry, University of Oxford, Oxford OX3 7JX, United Kingdom
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus University, 8000 Århus, Denmark
- Centre for Eudaimonia and Human Flourishing, Linacre College, University of Oxford, Oxford OX3 9BX, United Kingdom
| | - Gustavo Deco
- Center for Brain and Cognition, Computational Neuroscience Group, Universitat Pompeu Fabra, 08005 Barcelona, Spain
- Department of Information and Communication Technologies, Universitat Pompeu Fabra, 08018 Barcelona, Spain
- Institució Catalana de la Recerca i Estudis Avancats (ICREA), 08010 Barcelona, Spain
- Department of Neuropsychology, Max Planck Institute for Human Cognitive and Brain Sciences, D-04303 Leipzig, Germany
- School of Psychological Sciences, Monash University, Melbourne 3168, Australia
| | - Enzo Tagliazucchi
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, 7911328, Santiago, Chile
- Department of Physics, University of Buenos Aires, C1428EGA, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1033AAJ, Buenos Aires, Argentina
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, C116ABJ, Buenos Aires, Argentina
| | - Agustín Ibañez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, 7911328, Santiago, Chile
- National Scientific and Technical Research Council (CONICET), C1033AAJ, Buenos Aires, Argentina
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, C116ABJ, Buenos Aires, Argentina
- Global Brain Health Institute, University of California, San Francisco, San Francisco, California 94143
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland
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23
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Lopes da Cunha P, Fittipaldi S, González Campo C, Kauffman M, Rodríguez-Quiroga S, Yacovino DA, Ibáñez A, Birba A, García AM. Social concepts and the cerebellum: behavioural and functional connectivity signatures in cerebellar ataxic patients. Philos Trans R Soc Lond B Biol Sci 2023; 378:20210364. [PMID: 36571119 PMCID: PMC9791482 DOI: 10.1098/rstb.2021.0364] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 09/26/2022] [Indexed: 12/27/2022] Open
Abstract
Neurocognitive research on social concepts underscores their reliance on fronto-temporo-limbic regions mediating broad socio-cognitive skills. Yet, the field has neglected another structure increasingly implicated in social cognition: the cerebellum. The present exploratory study examines this link combining a novel naturalistic text paradigm, a relevant atrophy model and functional magnetic resonance imaging. Fifteen cerebellar ataxia (CA) patients with focal cerebellar atrophy and 29 matched controls listened to a social text (highlighting interpersonal events) as well as a non-social text (focused on a single person's actions), and answered comprehension questionnaires. We compared behavioural outcomes between groups and examined their association with cerebellar connectivity. CA patients showed deficits in social text comprehension and normal scores in the non-social text. Also, social text outcomes in controls selectively correlated with connectivity between the cerebellum and key regions subserving multi-modal semantics and social cognition, including the superior and medial temporal gyri, the temporal pole and the insula. Conversely, brain-behaviour associations involving the cerebellum were abolished in the patients. Thus, cerebellar structures and connections seem involved in processing social concepts evoked by naturalistic discourse. Such findings invite new theoretical and translational developments integrating social neuroscience with embodied semantics. This article is part of the theme issue 'Concepts in interaction: social engagement and inner experiences'.
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Affiliation(s)
- Pamela Lopes da Cunha
- Cognitive Neuroscience Center, University of San Andrés, Buenos Aires B1644BID, Argentina
- National Agency for Scientific Promotion and Technology (ANPCyT), Buenos Aires, C1425FQD, Argentina
| | - Sol Fittipaldi
- Cognitive Neuroscience Center, University of San Andrés, Buenos Aires B1644BID, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina
- Global Brain Health Institute, University of California San Francisco, 94158-2324, US and Trinity College Dublin, D02 PN40, Ireland
- Latin American Brain Health Institute (BrainLat), Adolfo Ibáñez University, Santiago, 7550344, Chile
| | - Cecilia González Campo
- Cognitive Neuroscience Center, University of San Andrés, Buenos Aires B1644BID, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina
| | - Marcelo Kauffman
- Consultorio y Laboratorio de Neurogenética, Centro Universitario de Neurología “José María Ramos Mejía” y División Neurología, Hospital JM Ramos Mejía, Facultad de Medicina, UBA, Buenos Aires, C1221ADC, Argentina
- School of Medicine, UBA, CONICET, Buenos Aires, C1121ABG, Argentina
| | - Sergio Rodríguez-Quiroga
- Consultorio y Laboratorio de Neurogenética, Centro Universitario de Neurología “José María Ramos Mejía” y División Neurología, Hospital JM Ramos Mejía, Facultad de Medicina, UBA, Buenos Aires, C1221ADC, Argentina
| | - Darío Andrés Yacovino
- Department of Neurology, Dr. Cesar Milstein Hospital, Buenos Aires, C1221ACI, Argentina
- Memory and Balance Clinic, Buenos Aires, C1425BPC, Argentina
| | - Agustín Ibáñez
- Cognitive Neuroscience Center, University of San Andrés, Buenos Aires B1644BID, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina
- Global Brain Health Institute, University of California San Francisco, 94158-2324, US and Trinity College Dublin, D02 PN40, Ireland
- Latin American Brain Health Institute (BrainLat), Adolfo Ibáñez University, Santiago, 7550344, Chile
| | - Agustina Birba
- Cognitive Neuroscience Center, University of San Andrés, Buenos Aires B1644BID, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina
| | - Adolfo M. García
- Cognitive Neuroscience Center, University of San Andrés, Buenos Aires B1644BID, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina
- Global Brain Health Institute, University of California San Francisco, 94158-2324, US and Trinity College Dublin, D02 PN40, Ireland
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, 9170022, Chile
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24
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Parra MA, Orellana P, Leon T, Victoria CG, Henriquez F, Gomez R, Avalos C, Damian A, Slachevsky A, Ibañez A, Zetterberg H, Tijms BM, Yokoyama JS, Piña-Escudero SD, Cochran JN, Matallana DL, Acosta D, Allegri R, Arias-Suárez BP, Barra B, Behrens MI, Brucki SMD, Busatto G, Caramelli P, Castro-Suarez S, Contreras V, Custodio N, Dansilio S, De la Cruz-Puebla M, de Souza LC, Diaz MM, Duque L, Farías GA, Ferreira ST, Guimet NM, Kmaid A, Lira D, Lopera F, Meza BM, Miotto EC, Nitrini R, Nuñez A, O'neill S, Ochoa J, Pintado-Caipa M, de Paula França Resende E, Risacher S, Rojas LA, Sabaj V, Schilling L, Sellek AF, Sosa A, Takada LT, Teixeira AL, Unaucho-Pilalumbo M, Duran-Aniotz C. Biomarkers for dementia in Latin American countries: Gaps and opportunities. Alzheimers Dement 2023; 19:721-735. [PMID: 36098676 PMCID: PMC10906502 DOI: 10.1002/alz.12757] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/29/2022] [Accepted: 06/14/2022] [Indexed: 12/13/2022]
Abstract
Limited knowledge on dementia biomarkers in Latin American and Caribbean (LAC) countries remains a serious barrier. Here, we reported a survey to explore the ongoing work, needs, interests, potential barriers, and opportunities for future studies related to biomarkers. The results show that neuroimaging is the most used biomarker (73%), followed by genetic studies (40%), peripheral fluids biomarkers (31%), and cerebrospinal fluid biomarkers (29%). Regarding barriers in LAC, lack of funding appears to undermine the implementation of biomarkers in clinical or research settings, followed by insufficient infrastructure and training. The survey revealed that despite the above barriers, the region holds a great potential to advance dementia biomarkers research. Considering the unique contributions that LAC could make to this growing field, we highlight the urgent need to expand biomarker research. These insights allowed us to propose an action plan that addresses the recommendations for a biomarker framework recently proposed by regional experts.
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Affiliation(s)
- Mario A. Parra
- School of Psychological Sciences and Health, University of Strathclyde. Glasgow, United Kingdom
| | - Paulina Orellana
- Latin American Institute for Brain Health (BrainLat), Universidad Adolfo Ibanez. Santiago, Chile
- Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibanez. Santiago, Chile
| | - Tomas Leon
- Global Brain Health Institute, Trinity College. Dublin, Ireland
- Memory and Neuropsychiatric Clinic (CMYN) Neurology Department, Hospital del Salvador y Facultad de Medicina, Universidad de Chile. Santiago, Chile
| | - Cabello G. Victoria
- Latin American Institute for Brain Health (BrainLat), Universidad Adolfo Ibanez. Santiago, Chile
- Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Department - Institute of Biomedical Sciences (ICBM), Neuroscience and East Neuroscience Departments, Faculty of Medicine, Universidad de Chile. Santiago, Chile
- Unit of Brain Health, Department of Neurology and Neurosurgery, Faculty of Medicine, Universidad de Chile. Santiago, Chile
| | - Fernando Henriquez
- Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Department - Institute of Biomedical Sciences (ICBM), Neuroscience and East Neuroscience Departments, Faculty of Medicine, Universidad de Chile. Santiago, Chile
- Geroscience Center for Brain Health and Metabolism (GERO). Santiago, Chile
- Laboratory for Cognitive and Evolutionary Neuroscience (LaNCE), Department of Psychiatry, Faculty of Medicine, Pontificia Universidad Católica de Chile. Santiago, Chile
| | - Rodrigo Gomez
- Memory and Neuropsychiatric Clinic (CMYN) Neurology Department, Hospital del Salvador y Facultad de Medicina, Universidad de Chile. Santiago, Chile
- Graduate School, Faculty of Medicine, Universidad Mayor, Chile - Centro de Apoyo Comunitario a personas con Demencia Kintun. Santiago, Chile
| | - Constanza Avalos
- Latin American Institute for Brain Health (BrainLat), Universidad Adolfo Ibanez. Santiago, Chile
- Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibanez. Santiago, Chile
| | - Andres Damian
- Centro Uruguayo de Imagenología Molecular (CUDIM) - Centro de Medicina Nuclear e Imagenología Molecular, Hospital de Clínicas, Universidad de la República. Montevideo, Uruguay
| | - Andrea Slachevsky
- Memory and Neuropsychiatric Clinic (CMYN) Neurology Department, Hospital del Salvador y Facultad de Medicina, Universidad de Chile. Santiago, Chile
- Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Department - Institute of Biomedical Sciences (ICBM), Neuroscience and East Neuroscience Departments, Faculty of Medicine, Universidad de Chile. Santiago, Chile
- Geroscience Center for Brain Health and Metabolism (GERO). Santiago, Chile
- Department of Neurology and Psyquiatry, Clínica Alemana-Universidad del Desarrollo. Santiago, Chile
| | - Agustin Ibañez
- Latin American Institute for Brain Health (BrainLat), Universidad Adolfo Ibanez. Santiago, Chile
- Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibanez. Santiago, Chile
- Global Brain Health Institute, Trinity College. Dublin, Ireland
- Global Brain Health Institute and the Memory and Aging Center, Weill Institute for Neurosciences, Departments of Neurology and Radiology & Biomedical Imaging, University of California, San Francisco (UCSF). San Francisco, USA
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, & National Scientific and Technical Research Council (CONICET). Buenos Aires, Argentina
| | - Henrik Zetterberg
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at the University of Gothenburg. Mölndal, Sweden
- Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital. Mölndal, Sweden
- Department of Neurodegenerative Disease, UCL Institute of Neurology. Queen Square, London, UK
- UK Dementia Research Institute at UCL. London, UK
- Hong Kong Center for Neurodegenerative Diseases. Clear Water Bay, Hong Kong, China
| | - Betty M. Tijms
- Alzheimer Center Amsterdam, Department of Neurology, Amsterdam Neuroscience. Amsterdam UMC, The Netherlands
| | - Jennifer S. Yokoyama
- Global Brain Health Institute and the Memory and Aging Center, Weill Institute for Neurosciences, Departments of Neurology and Radiology & Biomedical Imaging, University of California, San Francisco (UCSF). San Francisco, USA
- Department of Neurology, Memory and Aging Center, UCSF. San Francisco, USA
| | - Stefanie D. Piña-Escudero
- Atlantic Fellow for Equity in Brain Health at the Global Brain Health Institute (GBHI), University of California San Francisco. San Francisco, USA
| | | | - Diana L Matallana
- Medical School, Aging Institute and Psychiatry Department, Neuroscience PhD Program, Pontificia Universidad Javeriana. Bogotá,Colombia
- Memory and Cognition Center, Intellectus, Hospital Universitario San Ignacio. Bogotá, Colombia
- Psychiatry Department, Hospital Universitario Santa Fe de Bogotá. Bogotá, Colombia
| | - Daisy Acosta
- Universidad Nacional Pedro Henriquez Urena (UNPHU). Santo Domingo, República Dominicana
| | - Ricardo Allegri
- Department of Cognitive Neurology, Neuropsychiatry and Neuropsychology, Instituto Neurológico Fleni. Buenos Aires, Argentina
- Department of Neurosciences, Universidad de la Costa. Barranquilla, Colombia
| | - Bianca P. Arias-Suárez
- Faculty of Human Medicine, Postgraduate Section, National University of San Marcos. Lima, Perú
| | - Bernardo Barra
- Mental Health Service, Clínica Universidad de los Andes. Santiago, Chile
- Department of Psychiatry, Medicine School, Andrés Bello University of Santiago (UNAB). Santiago, Chile
| | - Maria Isabel Behrens
- Department of Neurology and Psyquiatry, Clínica Alemana-Universidad del Desarrollo. Santiago, Chile
- Center for Advanced Clinical Research (CICA). Department of Neurology & Neurosurgery and Neuroscience Department, Faculty of Medicine, Universidad de Chile. Santiago, Chile
- Department of Neurology and Neurosurgery, Hospital Clínico Universidad de Chile. Santiago, Chile
- Department of Neurocience, Faculty of Medicine, Universidad de Chile. Santiago, Chile
| | - Sonia M. D. Brucki
- Cognitive and Behavioral Neurology Unit, Department of Neurology, University of São Paulo Medical School, University of São Paulo. São Paulo, Brazil
| | - Geraldo Busatto
- Departamento e Instituto de Psiquiatria, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo HCFMUSP. São Paulo, Brazil
| | - Paulo Caramelli
- Behavioral and Cognitive Neurology Unit, Faculdade de Medicina, Universidade Federal de Minas Gerais. Belo Horizonte, Brazil
| | - Sheila Castro-Suarez
- Atlantic Fellow for Equity in Brain Health at the Global Brain Health Institute (GBHI), University of California San Francisco. San Francisco, USA
- Instituto Nacional de Ciencias Neurológicas. Lima, Perú
| | | | - Nilton Custodio
- Unit of diagnosis of cognitive impairment and dementia prevention, Instituto Peruano de Neurociencias.Lima, Perú
| | - Sergio Dansilio
- Department of Neuropsychology, Institut of Neurology, Hospital de Clínicas, Faculty of Medicine,Universidad de la República. Montevideo, Uruguay
| | - Myriam De la Cruz-Puebla
- Global Brain Health Institute and the Memory and Aging Center, Weill Institute for Neurosciences, Departments of Neurology and Radiology & Biomedical Imaging, University of California, San Francisco (UCSF). San Francisco, USA
- Cognition and Brain Plasticity Unit, Bellvitge Biomedical Research Institute. Barcelona, Spain
- Department of Cellular Biology, Physiology and Immunology, Neuroscience Institute, Autonomous University of Barcelona. Barcelona, Spain
- Department of Internal Medicine, Health Sciences Faculty, Technical University of Ambato. Tungurahua, Ecuador
| | - Leonardo Cruz de Souza
- Departamento e Instituto de Psiquiatria, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo HCFMUSP. São Paulo, Brazil
- Neurology Service, School of Medicine, Pontifical University of Rio Grande do Sul (PUCRS). Porto Alegre, Brazil
| | - Monica M. Diaz
- Department of Neurology, University of North Carolina at Chapel Hill. North Carolina, USA
- School of Public Health, Universidad Peruana Cayetano Heredia. Lima, Peru
| | - Lissette Duque
- Unit of Cognitive diseases, Neuromedicenter. Quito, Ecuador
| | - Gonzalo A. Farías
- Center for Advanced Clinical Research (CICA). Department of Neurology & Neurosurgery and Neuroscience Department, Faculty of Medicine, Universidad de Chile. Santiago, Chile
| | - Sergio T. Ferreira
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro. Rio de Janeiro, Brazil
| | - Nahuel Magrath Guimet
- Atlantic Fellow for Equity in Brain Health at the Global Brain Health Institute (GBHI), University of California San Francisco. San Francisco, USA
- Department of Cognitive Neurology, Neuropsychiatry and Neuropsychology, Instituto Neurológico Fleni. Buenos Aires, Argentina
| | - Ana Kmaid
- Unit of Cognitive evaluation. Department of Geriatry ang Gerentology. Hospital de Clínicas. Faculty of Medicine. Universidad de la República. Montevideo, Uruguay
| | - David Lira
- Unit of diagnosis of cognitive impairment and dementia prevention, Instituto Peruano de Neurociencias.Lima, Perú
| | - Francisco Lopera
- Grupo de Neurociencias de Antioquia, Universidad de Antioquia, School of Medicine. Medellín, Colombia
| | - Beatriz Mar Meza
- Atlantic Fellow for Equity in Brain Health at the Global Brain Health Institute (GBHI), University of California San Francisco. San Francisco, USA
- Department of Geriatry ang Gerentology, Hospital Central de la Fuerza Aérea del Perú. Lima, Perú
| | - Eliane C Miotto
- Cognitive and Behavioral Neurology Unit, Department of Neurology, University of São Paulo Medical School, University of São Paulo. São Paulo, Brazil
| | - Ricardo Nitrini
- Cognitive and Behavioral Neurology Unit, Department of Neurology, University of São Paulo Medical School, University of São Paulo. São Paulo, Brazil
| | - Alberto Nuñez
- Unit of Cognitive diseases, Neuromedicenter. Quito, Ecuador
| | - Santiago O'neill
- Neurosciences Institute, Favaloro Foundation University Hospital. Buenos Aires, Argentina
| | - John Ochoa
- Group of Neuropsychology and behavior, Universidad de Antioquia, School of Medicine. Medellín, Colombia
| | - Maritza Pintado-Caipa
- Atlantic Fellow for Equity in Brain Health at the Global Brain Health Institute (GBHI), University of California San Francisco. San Francisco, USA
- Unit of diagnosis of cognitive impairment and dementia prevention, Instituto Peruano de Neurociencias.Lima, Perú
| | - Elisa de Paula França Resende
- Global Brain Health Institute and the Memory and Aging Center, Weill Institute for Neurosciences, Departments of Neurology and Radiology & Biomedical Imaging, University of California, San Francisco (UCSF). San Francisco, USA
- Behavioral and Cognitive Neurology Unit, Faculdade de Medicina, Universidade Federal de Minas Gerais. Belo Horizonte, Brazil
- Neurology Service, School of Medicine, Pontifical University of Rio Grande do Sul (PUCRS). Porto Alegre, Brazil
- Brain Institute of Rio Grande do Sul, Pontifical University of Rio Grande do Sul (PUCRS). Porto Alegre, Brazil
- Faculdade de Ciências Médicas de Minas Gerais. Belo Horizonte, Brazil
| | - Shannon Risacher
- Center for Neuroimaging, Department of Radiology and Imaging Sciences, Indiana Alzheimer’s Disease Research Center, Department of Neurology, Indiana University School of Medicine. Indianapolis, USA
| | - Luz Angela Rojas
- Research Group, MI Dneuropsy, Universidad Surcolombiana. Neiva, Colombia
| | - Valentina Sabaj
- Unit of Neuropsychogeriatry, Instituto Nacional de Geriatría. Santiago, Chile
| | - Lucas Schilling
- Neurology Service, School of Medicine, Pontifical University of Rio Grande do Sul (PUCRS). Porto Alegre, Brazil
- Brain Institute of Rio Grande do Sul, Pontifical University of Rio Grande do Sul (PUCRS). Porto Alegre, Brazil
- Graduate Program in Biomedical Gerontology, Pontifical University of Rio Grande do Sul (PUCRS). Porto Alegre, Brazil
| | | | - Ana Sosa
- Instituto Nacional de Neurología y Neurocirugía (INNN), Manuel Velasco Suarez. Ciudad de México, México
| | - Leonel T. Takada
- Cognitive and Behavioral Neurology Unit, Department of Neurology, University of São Paulo Medical School, University of São Paulo. São Paulo, Brazil
| | - Antonio L. Teixeira
- Faculdade Santa Casa BH. Belo Horizonte, Brazil
- Neuropsychiatry Program, University of Texas Health Science Center at Houston. Houston, USA
| | - Martha Unaucho-Pilalumbo
- Atlantic Fellow for Equity in Brain Health at the Global Brain Health Institute (GBHI), University of California San Francisco. San Francisco, USA
- Departamento de Neurología, Hospital Universidad Técnica Particular de Loja. Loja, Ecuador
| | - Claudia Duran-Aniotz
- Latin American Institute for Brain Health (BrainLat), Universidad Adolfo Ibanez. Santiago, Chile
- Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibanez. Santiago, Chile
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25
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Baez S, Trujillo-Llano C, de Souza LC, Lillo P, Forno G, Santamaría-García H, Okuma C, Alegria P, Huepe D, Ibáñez A, Decety J, Slachevsky A. Moral Emotions and Their Brain Structural Correlates Across Neurodegenerative Disorders. J Alzheimers Dis 2023; 92:153-169. [PMID: 36710684 PMCID: PMC11181819 DOI: 10.3233/jad-221131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND Although social cognition is compromised in patients with neurodegenerative disorders such as behavioral variant frontotemporal dementia (bvFTD) and Alzheimer's disease (AD), research on moral emotions and their neural correlates in these populations is scarce. No previous study has explored the utility of moral emotions, compared to and in combination with classical general cognitive state tools, to discriminate bvFTD from AD patients. OBJECTIVE To examine self-conscious (guilt and embarrassment) and other-oriented (pity and indignation) moral emotions, their subjective experience, and their structural brain underpinnings in bvFTD (n = 31) and AD (n = 30) patients, compared to healthy controls (n = 37). We also explored the potential utility of moral emotions measures to discriminate bvFTD from AD. METHODS We used a modified version of the Moral Sentiment Task measuring the participants' accuracy scores and their emotional subjective experiences. RESULTS bvFTD patients exhibited greater impairments in self-conscious and other-oriented moral emotions as compared with AD patients and healthy controls. Moral emotions combined with general cognitive state tools emerged as useful measures to discriminate bvFTD from AD patients. In bvFTD patients, lower moral emotions scores were associated with lower gray matter volumes in caudate nucleus and inferior and middle temporal gyri. In AD, these scores were associated with lower gray matter volumes in superior and middle frontal gyri, middle temporal gyrus, inferior parietal lobule and supramarginal gyrus. CONCLUSION These findings contribute to a better understanding of moral emotion deficits across neurodegenerative disorders, highlighting the potential benefits of integrating this domain into the clinical assessment.
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Affiliation(s)
| | - Catalina Trujillo-Llano
- Facultad de Psicología, Universidad del Valle, Cali, Colombia
- Department of Neurology, Universitätsmedizin Greifswald, Greifswald, Germany
| | - Leonardo Cruz de Souza
- Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Patricia Lillo
- Geroscience Center for Brain Health and Metabolism, Santiago, Chile
- Departamento de Neurologia Sur, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Gonzalo Forno
- Universidad de los Andes, Santiago, Chile
- Neuropsychology and Clinical Neuroscience Laboratory, Physiopathology Department - ICBM, Neuroscience and East Neuroscience Departments, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Hernando Santamaría-García
- Centro de Memoria y Cognición Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Universidad Javeriana, PhD Program of Neuroscience, Bogotá, Colombia
| | - Cecilia Okuma
- Neuroscience and East Neuroscience Departments, Faculty of Medicine, University of Chile, Santiago, Chile
- Servicio de Neurorradiología, Instituto de Neurocirugía Dr. Asenjo, Servicio de Salud Metropolitano Oriente, Santiago, Chile
| | - Patricio Alegria
- Servicio de Radiología, Hospital Barros Luco Trudeau, San Miguel, Chile
| | - David Huepe
- Center for Social and Cognitive Neuroscience, School of Psychology, Universidad Adolfo Ibáñez, Santiago, Chile
| | - Agustín Ibáñez
- Center for Social and Cognitive Neuroscience, School of Psychology, Universidad Adolfo Ibáñez, Santiago, Chile
- Global Brain Health Institute, Trinity College Dublin, Dublin, Ireland
- Latin American Brain Health Institute, Universidad Adolfo Ibáñez, Santiago, Chile
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council, Buenos Aires, Argentina
| | | | - Andrea Slachevsky
- Geroscience Center for Brain Health and Metabolism, Santiago, Chile
- Neuropsychology and Clinical Neuroscience Laboratory, Physiopathology Department - ICBM, Neuroscience and East Neuroscience Departments, Faculty of Medicine, University of Chile, Santiago, Chile
- Memory and Neuropsychiatric Center, Neurology Department, Hospital del Salvador and Faculty of Medicine, University of Chile, Santiago, Chile
- Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
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26
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Adewale BA, Coker MM, Ogunniyi A, Kalaria RN, Akinyemi RO. Biomarkers and Risk Assessment of Alzheimer's Disease in Low- and Middle-Income Countries. J Alzheimers Dis 2023; 95:1339-1349. [PMID: 37694361 DOI: 10.3233/jad-221030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Dementia is a chronic syndrome which is common among the elderly and is associated with significant morbidity and mortality for patients and their caregivers. Alzheimer's disease (AD), the most common form of clinical dementia, is biologically characterized by the deposition of amyloid-β plaques and neurofibrillary tangles in the brain. The onset of AD begins decades before manifestation of symptoms and clinical diagnosis, underlining the need to shift from clinical diagnosis of AD to a more objective diagnosis using biomarkers. Having performed a literature search of original articles and reviews on PubMed and Google Scholar, we present this review detailing the existing biomarkers and risk assessment tools for AD. The prevalence of dementia in low- and middle-income countries (LMICs) is predicted to increase over the next couple of years. Thus, we aimed to identify potential biomarkers that may be appropriate for use in LMICs, considering the following factors: sensitivity, specificity, invasiveness, and affordability of the biomarkers. We also explored risk assessment tools and the potential use of artificial intelligence/machine learning solutions for diagnosing, assessing risks, and monitoring the progression of AD in low-resource settings. Routine use of AD biomarkers has yet to gain sufficient ground in clinical settings. Therefore, clinical diagnosis of AD will remain the mainstay in LMICs for the foreseeable future. Efforts should be made towards the development of low-cost, easily administered risk assessment tools to identify individuals who are at risk of AD in the population. We recommend that stakeholders invest in education, research and development targeted towards effective risk assessment and management.
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Affiliation(s)
- Boluwatife Adeleye Adewale
- Faculty of Clinical Sciences, College of Medicine, University of Ibadan, Ibadan, Nigeria
- Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training (IAMRAT), College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Motunrayo Mojoyin Coker
- Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training (IAMRAT), College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Adesola Ogunniyi
- Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training (IAMRAT), College of Medicine, University of Ibadan, Ibadan, Nigeria
- Department of Neurology, University College Hospital, Ibadan, Nigeria
| | - Rajesh N Kalaria
- Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training (IAMRAT), College of Medicine, University of Ibadan, Ibadan, Nigeria
- Translational and Clinical Research Institute, Newcastle University, United Kingdom
| | - Rufus Olusola Akinyemi
- Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training (IAMRAT), College of Medicine, University of Ibadan, Ibadan, Nigeria
- Department of Neurology, University College Hospital, Ibadan, Nigeria
- Centre for Genomic and Precision Medicine, College of Medicine, University of Ibadan, Ibadan, Nigeria
- Translational and Clinical Research Institute, Newcastle University, United Kingdom
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27
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Maito MA, Santamaría-García H, Moguilner S, Possin KL, Godoy ME, Avila-Funes JA, Behrens MI, Brusco IL, Bruno MA, Cardona JF, Custodio N, García AM, Javandel S, Lopera F, Matallana DL, Miller B, Okada de Oliveira M, Pina-Escudero SD, Slachevsky A, Sosa Ortiz AL, Takada LT, Tagliazuchi E, Valcour V, Yokoyama JS, Ibañez A. Classification of Alzheimer's disease and frontotemporal dementia using routine clinical and cognitive measures across multicentric underrepresented samples: A cross sectional observational study. LANCET REGIONAL HEALTH. AMERICAS 2023; 17:100387. [PMID: 36583137 PMCID: PMC9794191 DOI: 10.1016/j.lana.2022.100387] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 09/20/2022] [Accepted: 10/14/2022] [Indexed: 11/06/2022]
Abstract
Background Global brain health initiatives call for improving methods for the diagnosis of Alzheimer's disease (AD) and frontotemporal dementia (FTD) in underrepresented populations. However, diagnostic procedures in upper-middle-income countries (UMICs) and lower-middle income countries (LMICs), such as Latin American countries (LAC), face multiple challenges. These include the heterogeneity in diagnostic methods, lack of clinical harmonisation, and limited access to biomarkers. Methods This cross-sectional observational study aimed to identify the best combination of predictors to discriminate between AD and FTD using demographic, clinical and cognitive data among 1794 participants [904 diagnosed with AD, 282 diagnosed with FTD, and 606 healthy controls (HCs)] collected in 11 clinical centres across five LAC (ReDLat cohort). Findings A fully automated computational approach included classical statistical methods, support vector machine procedures, and machine learning techniques (random forest and sequential feature selection procedures). Results demonstrated an accurate classification of patients with AD and FTD and HCs. A machine learning model produced the best values to differentiate AD from FTD patients with an accuracy = 0.91. The top features included social cognition, neuropsychiatric symptoms, executive functioning performance, and cognitive screening; with secondary contributions from age, educational attainment, and sex. Interpretation Results demonstrate that data-driven techniques applied in archival clinical datasets could enhance diagnostic procedures in regions with limited resources. These results also suggest specific fine-grained cognitive and behavioural measures may aid in the diagnosis of AD and FTD in LAC. Moreover, our results highlight an opportunity for harmonisation of clinical tools for dementia diagnosis in the region. Funding This work was supported by the Multi-Partner Consortium to Expand Dementia Research in Latin America (ReDLat), funded by NIA/NIH (R01AG057234), Alzheimer's Association (SG-20-725707-ReDLat), Rainwater Foundation, Takeda (CW2680521), Global Brain Health Institute; as well as CONICET; FONCYT-PICT (2017-1818, 2017-1820); PIIECC, Facultad de Humanidades, Usach; Sistema General de Regalías de Colombia (BPIN2018000100059), Universidad del Valle (CI 5316); ANID/FONDECYT Regular (1210195, 1210176, 1210176); ANID/FONDAP (15150012); ANID/PIA/ANILLOS ACT210096; and Alzheimer's Association GBHI ALZ UK-22-865742.
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Affiliation(s)
- Marcelo Adrián Maito
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
| | - Hernando Santamaría-García
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Ph.D Program of Neuroscience, Psychiatry Department, Pontificia Universidad Javeriana, Bogotá, Colombia
- Center for Memory and Cognition Intellectus, Hospital San Ignacio, Bogotá, Colombia
| | - Sebastián Moguilner
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
| | - Katherine L. Possin
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, CA, USA
| | - María E. Godoy
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
| | - José Alberto Avila-Funes
- Geriatrics Department, Instituto Nacional de Ciencias médicas y nutrición Salvador Zubirán, Mexico City, Mexico
- Centre de Recherche Inserm, U897, Brodeaux, France
- University Victor Segalen Bourdeaux 2, Bordeaux, France
| | - María I. Behrens
- Centro de Investigación Clínica Avanzada (CICA) Hospital Clínico Universidad de Chile, Departamento de Neurología y Neurocirugía, Hospital Clínico Universidad de Chile, Departamento de Neurociencia, Facultad de medicina Universidad de Chile and Departamento de Neurología y Psiquiatría, Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Ignacio L. Brusco
- Universidad Buenos Aires & Consejo Nacional de Investigaciones Científicas y técnicas (CONICET), Argentina
| | - Martín A. Bruno
- Instituto de Ciencias Biomédicas de la Universidad Católica de Cuyo & Consejo Nacional de Investigaciones Científicas y técnicas (CONICET), Argentina
| | | | - Nilton Custodio
- Unit Cognitive Impairment and Dementia Prevention, Peruvian Institute of Neurosciences, Lima, Peru
| | - Adolfo M. García
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
| | - Shireen Javandel
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, CA, USA
| | - Francisco Lopera
- Neuroscience Research Group, Universidad de Antioquia, Medellín, Colombia
| | - Diana L. Matallana
- PhD Program of Neuroscience, Aging Institute, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Bruce Miller
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, CA, USA
| | - Maira Okada de Oliveira
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Hospital Santa Marcelina, São Paulo, SP, Brazil
- University of São Paulo, São Paulo, SP, Brazil
| | - Stefanie D. Pina-Escudero
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, CA, USA
| | - Andrea Slachevsky
- Neurology Department, Geroscience Center for Brain Health and Metabolism, Santiago, Chile
- Laboratory of Neuropsychology and Clinical Neuroscience (LANNEC), Physiopathology Program ICBM, East Neurologic and Neurosciences Departments, Faculty of Medicine, Hospital del Salvador and Faculty of Medicine, University of Chile, Santiago, Chile
- Servicio de Neurología, Departamento de Medicina, Clínica Alemana, Universidad del Desarrollo, University of Chile, Neuropsychiatry and Memory Disorders clinic (CMYN), Santiago, Chile
| | - Ana L. Sosa Ortiz
- Instituto Nacional de Neurología y neurocirugía, Ciudad de México, Mexico
| | - Leonel T. Takada
- Hospital de Clinicas, University of Sao Paulo Medical School, Brazil
| | - Enzo Tagliazuchi
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago de Chile, Chile
- Departamento de Física, Universidad de Buenos Aires & Instituto de Física de Buenos Aires (FIBA – CONICET), Buenos Aires, Argentina
| | - Victor Valcour
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Ph.D Program of Neuroscience, Psychiatry Department; Memory and Aging Center, Department of Neurology, University of California, San Francisco, USA
| | - Jennifer S. Yokoyama
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, CA, USA
| | - Agustín Ibañez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago de Chile, Chile
- Universidad de San Andrés & Consejo Nacional de Investigaciones Científicas y técnicas (CONICET), Argentina
- Global Brain Health Institute (GBHI), Trinity College Dublin, (TCD), Ireland
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Gonzalez-Gomez R, Ibañez A, Moguilner S. Multiclass characterization of frontotemporal dementia variants via multimodal brain network computational inference. Netw Neurosci 2023; 7:322-350. [PMID: 37333999 PMCID: PMC10270711 DOI: 10.1162/netn_a_00285] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 10/03/2022] [Indexed: 04/03/2024] Open
Abstract
Characterizing a particular neurodegenerative condition against others possible diseases remains a challenge along clinical, biomarker, and neuroscientific levels. This is the particular case of frontotemporal dementia (FTD) variants, where their specific characterization requires high levels of expertise and multidisciplinary teams to subtly distinguish among similar physiopathological processes. Here, we used a computational approach of multimodal brain networks to address simultaneous multiclass classification of 298 subjects (one group against all others), including five FTD variants: behavioral variant FTD, corticobasal syndrome, nonfluent variant primary progressive aphasia, progressive supranuclear palsy, and semantic variant primary progressive aphasia, with healthy controls. Fourteen machine learning classifiers were trained with functional and structural connectivity metrics calculated through different methods. Due to the large number of variables, dimensionality was reduced, employing statistical comparisons and progressive elimination to assess feature stability under nested cross-validation. The machine learning performance was measured through the area under the receiver operating characteristic curves, reaching 0.81 on average, with a standard deviation of 0.09. Furthermore, the contributions of demographic and cognitive data were also assessed via multifeatured classifiers. An accurate simultaneous multiclass classification of each FTD variant against other variants and controls was obtained based on the selection of an optimum set of features. The classifiers incorporating the brain's network and cognitive assessment increased performance metrics. Multimodal classifiers evidenced specific variants' compromise, across modalities and methods through feature importance analysis. If replicated and validated, this approach may help to support clinical decision tools aimed to detect specific affectations in the context of overlapping diseases.
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Affiliation(s)
- Raul Gonzalez-Gomez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago de Chile, Chile
- Center for Social and Cognitive Neuroscience, School of Psychology, Universidad Adolfo Ibañez, Santiago de Chile, Chile
| | - Agustín Ibañez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago de Chile, Chile
- Cognitive Neuroscience Center, Universidad de San Andres, Buenos Aires, Argentina
- Global Brain Health Institute, University of California San Francisco, San Francisco, CA, USA
- Trinity College Dublin, Dublin, Ireland
| | - Sebastian Moguilner
- Center for Social and Cognitive Neuroscience, School of Psychology, Universidad Adolfo Ibañez, Santiago de Chile, Chile
- Cognitive Neuroscience Center, Universidad de San Andres, Buenos Aires, Argentina
- Global Brain Health Institute, University of California San Francisco, San Francisco, CA, USA
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
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29
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Díaz-Rivera MN, Birba A, Fittipaldi S, Mola D, Morera Y, de Vega M, Moguilner S, Lillo P, Slachevsky A, González Campo C, Ibáñez A, García AM. Multidimensional inhibitory signatures of sentential negation in behavioral variant frontotemporal dementia. Cereb Cortex 2022; 33:403-420. [PMID: 35253864 PMCID: PMC9837611 DOI: 10.1093/cercor/bhac074] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/31/2022] [Accepted: 02/07/2022] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Processing of linguistic negation has been associated to inhibitory brain mechanisms. However, no study has tapped this link via multimodal measures in patients with core inhibitory alterations, a critical approach to reveal direct neural correlates and potential disease markers. METHODS Here we examined oscillatory, neuroanatomical, and functional connectivity signatures of a recently reported Go/No-go negation task in healthy controls and behavioral variant frontotemporal dementia (bvFTD) patients, typified by primary and generalized inhibitory disruptions. To test for specificity, we also recruited persons with Alzheimer's disease (AD), a disease involving frequent but nonprimary inhibitory deficits. RESULTS In controls, negative sentences in the No-go condition distinctly involved frontocentral delta (2-3 Hz) suppression, a canonical inhibitory marker. In bvFTD patients, this modulation was selectively abolished and significantly correlated with the volume and functional connectivity of regions supporting inhibition (e.g. precentral gyrus, caudate nucleus, and cerebellum). Such canonical delta suppression was preserved in the AD group and associated with widespread anatomo-functional patterns across non-inhibitory regions. DISCUSSION These findings suggest that negation hinges on the integrity and interaction of spatiotemporal inhibitory mechanisms. Moreover, our results reveal potential neurocognitive markers of bvFTD, opening a new agenda at the crossing of cognitive neuroscience and behavioral neurology.
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Affiliation(s)
- Mariano N Díaz-Rivera
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, Vito Dumas 284, Buenos Aires B1644BID, Argentina.,Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT), C1425FQD, Godoy Cruz 2370, Buenos Aires, Argentina
| | - Agustina Birba
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, Vito Dumas 284, Buenos Aires B1644BID, Argentina.,National Scientific and Technical Research Council (CONICET), C1425FQD, Godoy Cruz 2290, Buenos Aires, Argentina
| | - Sol Fittipaldi
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, Vito Dumas 284, Buenos Aires B1644BID, Argentina.,National Scientific and Technical Research Council (CONICET), C1425FQD, Godoy Cruz 2290, Buenos Aires, Argentina
| | - Débora Mola
- Instituto de Investigaciones Psicológicas, CONICET, 5000, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Yurena Morera
- Instituto Universitario de Neurociencia (IUNE), Universidad de La Laguna, Campus de Guajara, 38205 La Laguna, Santa Cruz de Tenerife, Spain
| | - Manuel de Vega
- Instituto Universitario de Neurociencia (IUNE), Universidad de La Laguna, Campus de Guajara, 38205 La Laguna, Santa Cruz de Tenerife, Spain
| | - Sebastian Moguilner
- Global Brain Health Institute, University of California, San Francisco, CA94158, US; and Trinity College, Dublin D02DP21, , Ireland.,Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, 8320000, Santiago, Chile
| | - Patricia Lillo
- Departamento de Neurología Sur, Facultad de Medicina, Universidad de Chile, 8380000, Santiago, Chile.,Unidad de Neurología, Hospital San José, 8380000, Santiago, Chile.,Geroscience Center for Brain Health and Metabolism (GERO), 7800003, Santiago, Chile
| | - Andrea Slachevsky
- Geroscience Center for Brain Health and Metabolism (GERO), 7800003, Santiago, Chile.,Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Department, Neuroscience and East Neuroscience Departments, Faculty of Medicine, Institute of Biomedical Sciences (ICBM), University of Chile, 8380000, Santiago, Chile.,Memory and Neuropsychiatric Clinic (CMYN) Neurology Department, Hospital del Salvador and Faculty of Medicine, University of Chile, 7500000, Santiago, Chile.,Departamento de Medicina, Servicio de Neurología, Clínica Alemana-Universidad del Desarrollo, 7550000, Santiago, Chile
| | - Cecilia González Campo
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, Vito Dumas 284, Buenos Aires B1644BID, Argentina.,National Scientific and Technical Research Council (CONICET), C1425FQD, Godoy Cruz 2290, Buenos Aires, Argentina
| | - Agustín Ibáñez
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, Vito Dumas 284, Buenos Aires B1644BID, Argentina.,National Scientific and Technical Research Council (CONICET), C1425FQD, Godoy Cruz 2290, Buenos Aires, Argentina.,Global Brain Health Institute, University of California, San Francisco, CA94158, US; and Trinity College, Dublin D02DP21, , Ireland.,Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, 8320000, Santiago, Chile
| | - Adolfo M García
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, Vito Dumas 284, Buenos Aires B1644BID, Argentina.,National Scientific and Technical Research Council (CONICET), C1425FQD, Godoy Cruz 2290, Buenos Aires, Argentina.,Global Brain Health Institute, University of California, San Francisco, CA94158, US; and Trinity College, Dublin D02DP21, , Ireland.,Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, 7550000, Santiago, Chile
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30
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Carpenter CR, Southerland LT, Lucey BP, Prusaczyk B. Around the EQUATOR with clinician-scientists transdisciplinary aging research (Clin-STAR) principles: Implementation science challenges and opportunities. J Am Geriatr Soc 2022; 70:3620-3630. [PMID: 36005482 PMCID: PMC10538952 DOI: 10.1111/jgs.17993] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/25/2022] [Accepted: 07/04/2022] [Indexed: 12/24/2022]
Abstract
The Institute of Medicine and the National Institute on Aging increasingly understand that knowledge alone is necessary but insufficient to improve healthcare outcomes. Adapting the behaviors of clinicians, patients, and stakeholders to new standards of evidence-based clinical practice is often significantly delayed. In response, over the past twenty years, Implementation Science has developed as the study of methods and strategies that facilitate the uptake of evidence-based practice into regular use by practitioners and policymakers. One important advance in Implementation Science research was the development of Standards for Reporting Implementation Studies (StaRI), which provided a 27-item checklist for researchers to consistently report essential elements of the implementation and intervention strategies. Using StaRI as a framework, this review discusses specific Implementation Science challenges for research with older adults, provides solutions for those obstacles, and opportunities to improve the value of this evolving approach to reduce the knowledge translation losses that exist between published research and clinical practice.
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Affiliation(s)
- Christopher R Carpenter
- Department of Emergency Medicine and Emergency Care Research Core, Washington University in St. Louis School of Medicine, St. Louis, Missouri, USA
| | - Lauren T Southerland
- Department of Emergency Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Brendan P Lucey
- Department of Neurology, Washington University in St Louis School of Medicine, St. Louis, Missouri, USA
| | - Beth Prusaczyk
- Department of Medicine Institute for Informatics, Washington University in St. Louis School of Medicine, St. Louis, Missouri, USA
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31
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Herzog R, Rosas FE, Whelan R, Fittipaldi S, Santamaria-Garcia H, Cruzat J, Birba A, Moguilner S, Tagliazucchi E, Prado P, Ibanez A. Genuine high-order interactions in brain networks and neurodegeneration. Neurobiol Dis 2022; 175:105918. [PMID: 36375407 DOI: 10.1016/j.nbd.2022.105918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 10/18/2022] [Accepted: 11/03/2022] [Indexed: 11/13/2022] Open
Abstract
Brain functional networks have been traditionally studied considering only interactions between pairs of regions, neglecting the richer information encoded in higher orders of interactions. In consequence, most of the connectivity studies in neurodegeneration and dementia use standard pairwise metrics. Here, we developed a genuine high-order functional connectivity (HOFC) approach that captures interactions between 3 or more regions across spatiotemporal scales, delivering a more biologically plausible characterization of the pathophysiology of neurodegeneration. We applied HOFC to multimodal (electroencephalography [EEG], and functional magnetic resonance imaging [fMRI]) data from patients diagnosed with behavioral variant of frontotemporal dementia (bvFTD), Alzheimer's disease (AD), and healthy controls. HOFC revealed large effect sizes, which, in comparison to standard pairwise metrics, provided a more accurate and parsimonious characterization of neurodegeneration. The multimodal characterization of neurodegeneration revealed hypo and hyperconnectivity on medium to large-scale brain networks, with a larger contribution of the former. Regions as the amygdala, the insula, and frontal gyrus were associated with both effects, suggesting potential compensatory processes in hub regions. fMRI revealed hypoconnectivity in AD between regions of the default mode, salience, visual, and auditory networks, while in bvFTD between regions of the default mode, salience, and somatomotor networks. EEG revealed hypoconnectivity in the γ band between frontal, limbic, and sensory regions in AD, and in the δ band between frontal, temporal, parietal and posterior areas in bvFTD, suggesting additional pathophysiological processes that fMRI alone can not capture. Classification accuracy was comparable with standard biomarkers and robust against confounders such as sample size, age, education, and motor artifacts (from fMRI and EEG). We conclude that high-order interactions provide a detailed, EEG- and fMRI compatible, biologically plausible, and psychopathological-specific characterization of different neurodegenerative conditions.
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Affiliation(s)
- Rubén Herzog
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Fundación para el Estudio de la Conciencia Humana (EcoH), Chile
| | - Fernando E Rosas
- Fundación para el Estudio de la Conciencia Humana (EcoH), Chile; Centre for Psychedelic Research, Department of Brain Sciences, Imperial College London, UK; Data Science Institute, Imperial College London, UK; Centre for Complexity Science, Imperial College London, UK; Department of Informatics, University of Sussex, Brighton, UK
| | - Robert Whelan
- Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin 2, Ireland
| | - Sol Fittipaldi
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin 2, Ireland; Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina
| | | | - Josephine Cruzat
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Fundación para el Estudio de la Conciencia Humana (EcoH), Chile
| | - Agustina Birba
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina
| | - Sebastian Moguilner
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Enzo Tagliazucchi
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Buenos Aires Physics Institute and Physics Department, University of Buenos Aires, Buenos Aires, Argentina
| | - Pavel Prado
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile.
| | - Agustin Ibanez
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile; Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin 2, Ireland; Cognitive Neuroscience Center (CNC), Universidad de San Andrés & CONICET, Buenos Aires, Argentina; Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), CA, USA.
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32
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Ibáñez A, Reiss AB, Custodio N, Alladi S. Editorial: Insights in Alzheimer's disease and related dementias. Front Aging Neurosci 2022; 14:1068156. [PMID: 36506469 PMCID: PMC9727773 DOI: 10.3389/fnagi.2022.1068156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 11/14/2022] [Indexed: 11/24/2022] Open
Affiliation(s)
- Agustín Ibáñez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile,Cognitive Neuroscience Center (CNC), Universidad de San Andrés and CONICET, Buenos Aires, Argentina,Global Brain Health Institute (GBHI), University of California, San Francisco (UCSF), San Francisco, CA, United States,Trinity College Dublin (TCD), Dublin, Ireland,*Correspondence: Agustín Ibáñez
| | - Allison B. Reiss
- Department of Medicine and Biomedical Research Institute, NYU Long Island School of Medicine, Mineola, NY, United States
| | - Nilton Custodio
- Department of Neurology, Instituto Peruano de Neurociencias, Lima, Peru,Unit of Diagnosis of Cognitive Impairment and Dementia Prevention, Instituto Peruano de Neurociencias, Lima, Peru
| | - Suvarna Alladi
- Department of Neurology, National Institute of Mental Health and Neurosciences, Bengaluru, India
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33
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A Program Evaluation of a Dietary Sodium Reduction Research Consortium of Five Low- and Middle-Income Countries in Latin America. Nutrients 2022; 14:nu14204311. [PMID: 36296995 PMCID: PMC9606855 DOI: 10.3390/nu14204311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/30/2022] [Accepted: 10/12/2022] [Indexed: 11/29/2022] Open
Abstract
Excess dietary sodium is a global public health priority, particularly in low- and middle-income countries where rates of hypertension and cardiovascular disease are high. The International Development Research Centre funded a research consortium of five Latin American countries (LAC) to inform public health policy for dietary sodium reduction (2016-2020). The objective of this study was to determine the outcomes of this funding on short-term (e.g., research, capacity building) and intermediary outcomes (e.g., policies). A summative program evaluation was conducted, using a logic model and multiple data sources including document review, surveys and interviews. Researchers from Argentina, Costa Rica, Brazil, Peru and Paraguay produced a significant amount of scientific evidence to guide decision making on sodium policy related to its content in foods, consumer behaviors (social marketing), and the health and economic benefits of dietary reduction. A substantive number of knowledge translation products were produced. The funding enabled training opportunities for researchers who developed skills that can be scaled-up to other critical nutrients and health issues. It was unexpected that intermediary policy changes would occur, however several countries demonstrated early policy improvements derived from this research. A funded research consortium of LAC is a practical approach to invoke policy innovations.
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34
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Duran‐Aniotz C, Sanhueza J, Grinberg LT, Slachevsky A, Valcour V, Robertson I, Lawlor B, Miller B, Ibáñez A. The Latin American Brain Health Institute, a regional initiative to reduce the scale and impact of dementia. Alzheimers Dement 2022; 18:1696-1698. [PMID: 35708193 PMCID: PMC9482938 DOI: 10.1002/alz.12710] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Latin American and Caribbean countries face complex challenges to improve brain health and reduce the impact of dementia. Regional hubs devoted to research, capacity building, implementation science, and education are critically needed. The Latin American Brain Health Institute represent an important step to address many of these needs.
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Affiliation(s)
- Claudia Duran‐Aniotz
- LatinAmerican Brain Health Institute (BrainLat)Universidad Adolfo IbáñezSantiagoChile
- Center for Social and Cognitive Neuroscience (CSCN)School of PsychologyUniversidad Adolfo IbanezSantiagoChile
| | - Jorge Sanhueza
- LatinAmerican Brain Health Institute (BrainLat)Universidad Adolfo IbáñezSantiagoChile
- Center for Social and Cognitive Neuroscience (CSCN)School of PsychologyUniversidad Adolfo IbanezSantiagoChile
| | - Lea T. Grinberg
- Departments of Neurology and PathologyUniversity of California San Francisco (UCSF)San FranciscoCaliforniaUSA
- Department of PathologyUniversity of Sao Paulo Medical SchoolSao PauloBrazil
| | - Andrea Slachevsky
- Geroscience Center for Brain Health and Metabolism (GERO)Neuropsychology and Clinical Neuroscience Laboratory (LANNEC)Physiopathology DepartmentSantiagoChile
- Intitute of Biomedical Sciences (ICBM)Neurocience and East Neuroscience DepartmentsFaculty of MedicineUniversity of ChileSantiagoChile
- Memory and Neuropsychiatric Clinic (CMYN) Neurology DepartmentHospital del Salvador and Faculty of Medicine, University of ChileSantiagoChile
- Servicio de NeurologíaDepartamento de MedicinaClínica Alemana‐Universidad del DesarrolloSantiagoChile
| | - Victor Valcour
- Global Brain Health Institute (GBHI)University of California San Francisco (UCSF)San Francisco, California, USA; and Trinity College Dublin (TCD)DublinIreland
| | - Ian Robertson
- Global Brain Health Institute (GBHI)University of California San Francisco (UCSF)San Francisco, California, USA; and Trinity College Dublin (TCD)DublinIreland
| | - Brian Lawlor
- Global Brain Health Institute (GBHI)University of California San Francisco (UCSF)San Francisco, California, USA; and Trinity College Dublin (TCD)DublinIreland
| | - Bruce Miller
- Global Brain Health Institute (GBHI)University of California San Francisco (UCSF)San Francisco, California, USA; and Trinity College Dublin (TCD)DublinIreland
| | - Agustín Ibáñez
- LatinAmerican Brain Health Institute (BrainLat)Universidad Adolfo IbáñezSantiagoChile
- Center for Social and Cognitive Neuroscience (CSCN)School of PsychologyUniversidad Adolfo IbanezSantiagoChile
- Cognitive Neuroscience Center (CNC)Universidad de San Andrés, & CONICETBuenos AiresArgentina
- Global Brain Health Institute (GBHI)University of California San Francisco (UCSF)San Francisco, California, USA; and Trinity College Dublin (TCD)DublinIreland
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Moguilner S, Birba A, Fittipaldi S, Gonzalez-Campo C, Tagliazucchi E, Reyes P, Matallana D, Parra MA, Slachevsky A, Farías G, Cruzat J, García A, Eyre HA, Joie RL, Rabinovici G, Whelan R, Ibáñez A. Multi-feature computational framework for combined signatures of dementia in underrepresented settings. J Neural Eng 2022; 19:10.1088/1741-2552/ac87d0. [PMID: 35940105 PMCID: PMC11177279 DOI: 10.1088/1741-2552/ac87d0] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 08/08/2022] [Indexed: 11/11/2022]
Abstract
Objective.The differential diagnosis of behavioral variant frontotemporal dementia (bvFTD) and Alzheimer's disease (AD) remains challenging in underrepresented, underdiagnosed groups, including Latinos, as advanced biomarkers are rarely available. Recent guidelines for the study of dementia highlight the critical role of biomarkers. Thus, novel cost-effective complementary approaches are required in clinical settings.Approach. We developed a novel framework based on a gradient boosting machine learning classifier, tuned by Bayesian optimization, on a multi-feature multimodal approach (combining demographic, neuropsychological, magnetic resonance imaging (MRI), and electroencephalography/functional MRI connectivity data) to characterize neurodegeneration using site harmonization and sequential feature selection. We assessed 54 bvFTD and 76 AD patients and 152 healthy controls (HCs) from a Latin American consortium (ReDLat).Main results. The multimodal model yielded high area under the curve classification values (bvFTD patients vs HCs: 0.93 (±0.01); AD patients vs HCs: 0.95 (±0.01); bvFTD vs AD patients: 0.92 (±0.01)). The feature selection approach successfully filtered non-informative multimodal markers (from thousands to dozens).Results. Proved robust against multimodal heterogeneity, sociodemographic variability, and missing data.Significance. The model accurately identified dementia subtypes using measures readily available in underrepresented settings, with a similar performance than advanced biomarkers. This approach, if confirmed and replicated, may potentially complement clinical assessments in developing countries.
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Affiliation(s)
- Sebastian Moguilner
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), CA, United States of America
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- Trinity College Dublin, Dublin, Ireland
| | - Agustina Birba
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Sol Fittipaldi
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | | | - Enzo Tagliazucchi
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Department of Physics, University of Buenos Aires, Buenos Aires, Argentina
| | - Pablo Reyes
- Medical School, Aging Institute, Psychiatry and Mental Health, Pontificia Universidad Javeriana, Bogota, Colombia
| | - Diana Matallana
- Medical School, Aging Institute, Psychiatry and Mental Health, Pontificia Universidad Javeriana, Bogota, Colombia
| | - Mario A Parra
- MAP: School of Psychological Sciences and Health, University of Strathclyde, Glasgow, United Kingdom
| | - Andrea Slachevsky
- Gerosciences Center for Brain Health and Metabolism, Santiago, Chile
- Faculty of Medicine, University of Chile, Santiago, Chile
- Memory and Neuropsychiatric Clinic (CMYN) Neurology Department, Hospital del Salvador and University of Chile, Santiago, Chile
- Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, Santiago de Chile, Chile
| | - Gonzalo Farías
- Faculty of Medicine, University of Chile, Santiago, Chile
| | - Josefina Cruzat
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Adolfo García
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), CA, United States of America
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
- Trinity College Dublin, Dublin, Ireland
| | - Harris A Eyre
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), CA, United States of America
- Neuroscience-Inspired Policy Initiative, Organisation for Economic Co-operation and Development and PRODEO Institute, Paris, France
- IMPACT, The Institute for Mental and Physical Health and Clinical Translation, Deakin University, Geelong, Victoria, Australia
- Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, United States of America
- Trinity College Dublin, Dublin, Ireland
| | - Renaud La Joie
- Memory and Aging Center, Department of Neurology, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States of America
| | - Gil Rabinovici
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), CA, United States of America
- Memory and Aging Center, Department of Neurology, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States of America
- Trinity College Dublin, Dublin, Ireland
| | - Robert Whelan
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), CA, United States of America
- Trinity College Dublin, Dublin, Ireland
| | - Agustín Ibáñez
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), CA, United States of America
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Trinity College Dublin, Dublin, Ireland
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Al-Mubarak B, Ahmed Nour M, Schumacher-Schuh A, Bandres-Ciga S. Globalizing research towards diverse representation in Alzheimer's and Parkinson's disease. Ann Neurol 2022; 92:711-714. [PMID: 36003053 DOI: 10.1002/ana.26483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/15/2022] [Accepted: 08/15/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Bashayer Al-Mubarak
- Center for Genomic Medicine, King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia
| | | | - Artur Schumacher-Schuh
- Departamento de Farmacologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Serviço de Neurologia, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Sara Bandres-Ciga
- Center for Alzheimer's and Related Dementias, National Institute on Aging, Bethesda, Maryland, USA
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37
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Birba A, Fittipaldi S, Cediel Escobar JC, Gonzalez Campo C, Legaz A, Galiani A, Díaz Rivera MN, Martorell Caro M, Alifano F, Piña-Escudero SD, Cardona JF, Neely A, Forno G, Carpinella M, Slachevsky A, Serrano C, Sedeño L, Ibáñez A, García AM. Multimodal Neurocognitive Markers of Naturalistic Discourse Typify Diverse Neurodegenerative Diseases. Cereb Cortex 2022; 32:3377-3391. [PMID: 34875690 PMCID: PMC9376869 DOI: 10.1093/cercor/bhab421] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 10/05/2021] [Accepted: 10/28/2021] [Indexed: 02/07/2023] Open
Abstract
Neurodegeneration has multiscalar impacts, including behavioral, neuroanatomical, and neurofunctional disruptions. Can disease-differential alterations be captured across such dimensions using naturalistic stimuli? To address this question, we assessed comprehension of four naturalistic stories, highlighting action, nonaction, social, and nonsocial events, in Parkinson's disease (PD) and behavioral variant frontotemporal dementia (bvFTD) relative to Alzheimer's disease patients and healthy controls. Text-specific correlates were evaluated via voxel-based morphometry, spatial (fMRI), and temporal (hd-EEG) functional connectivity. PD patients presented action-text deficits related to the volume of action-observation regions, connectivity across motor-related and multimodal-semantic hubs, and frontal hd-EEG hypoconnectivity. BvFTD patients exhibited social-text deficits, associated with atrophy and spatial connectivity patterns along social-network hubs, alongside right frontotemporal hd-EEG hypoconnectivity. Alzheimer's disease patients showed impairments in all stories, widespread atrophy and spatial connectivity patterns, and heightened occipitotemporal hd-EEG connectivity. Our framework revealed disease-specific signatures across behavioral, neuroanatomical, and neurofunctional dimensions, highlighting the sensitivity and specificity of a single naturalistic task. This investigation opens a translational agenda combining ecological approaches and multimodal cognitive neuroscience for the study of neurodegeneration.
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Affiliation(s)
- Agustina Birba
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1425FQD Buenos Aires, Argentina
| | - Sol Fittipaldi
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1425FQD Buenos Aires, Argentina
| | - Judith C Cediel Escobar
- Facultad de Psicología, Universidad del Valle, Santiago de Cali 76001, Colombia
- Departamento de Estudios Psicológicos, Facultad de Derecho y Ciencias Sociales, Universidad Icesi, Cali 1234567, Colombia
| | - Cecilia Gonzalez Campo
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1425FQD Buenos Aires, Argentina
| | - Agustina Legaz
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1425FQD Buenos Aires, Argentina
| | - Agostina Galiani
- Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, CONICET, C1060AAF Buenos Aires, Argentina
| | - Mariano N Díaz Rivera
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Agency of Scientific and Technological Promotion, C1425FQD Buenos Aires, Argentina
| | - Miquel Martorell Caro
- National Scientific and Technical Research Council (CONICET), C1425FQD Buenos Aires, Argentina
| | - Florencia Alifano
- National Scientific and Technical Research Council (CONICET), C1425FQD Buenos Aires, Argentina
| | | | - Juan Felipe Cardona
- Facultad de Psicología, Universidad del Valle, Santiago de Cali 76001, Colombia
| | - Alejandra Neely
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, 8320000 Santiago, Chile
| | - Gonzalo Forno
- Neuropsychology and Clinical Neuroscience Laboratory, Physiopathology Department, ICBM, Neurosciences Department, Faculty of Medicine, University of Chile, 8380000 Santiago, Chile
- School of Psychology, Universidad de los Andes, 7620001 Santiago, Chile
- Alzheimer's and other cognitive disorders group, Institute of Neurosciences, University of Barcelona, 8007 Barcelona, Spain
| | - Mariela Carpinella
- Unidad de Neurociencias, Instituto Conci Carpinella, 5000 Córdoba, Argentina
- Facultad de Medicina, Universidad Católica de Cuyo Sede San Luis, 5700 San Luis, Argentina
| | - Andrea Slachevsky
- Neuropsychology and Clinical Neuroscience Laboratory, Physiopathology Department, ICBM, Neurosciences Department, Faculty of Medicine, University of Chile, 8380000 Santiago, Chile
- Gerosciences Center for Brain Health and Metabolism, 7800003 Santiago, Chile
- Memory and Neuropsychiatric Clinic (CMYN) Neurology Department, Hospital del Salvador & University of Chile, 7500000 Santiago, Chile
- Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, 7690000 Santiago, Chile
| | - Cecilia Serrano
- Unidad de Neurología Cognitiva, Hospital César Milstein, C1221AC Buenos Aires, Argentina
| | - Lucas Sedeño
- National Scientific and Technical Research Council (CONICET), C1425FQD Buenos Aires, Argentina
| | - Agustín Ibáñez
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1425FQD Buenos Aires, Argentina
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, 8320000 Santiago, Chile
- Global Brain Health Institute, University of California, San Francisco, CA 94158, US; and Trinity College, Dublin D02 DP21, Ireland
| | - Adolfo M García
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1425FQD Buenos Aires, Argentina
- Global Brain Health Institute, University of California, San Francisco, CA 94158, US; and Trinity College, Dublin D02 DP21, Ireland
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, 8431166 Santiago, Chile
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Ryan B, O’Mara Baker A, Ilse C, Brickell KL, Kersten HM, Williams JM, Addis DR, Tippett LJ, Curtis MA. The New Zealand Genetic Frontotemporal Dementia Study (FTDGeNZ): a longitudinal study of pre-symptomatic biomarkers. J R Soc N Z 2022. [DOI: 10.1080/03036758.2022.2101483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Brigid Ryan
- Department of Anatomy and Medical Imaging, University of Auckland, Auckland, New Zealand
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
- Brain Research New Zealand, Rangahau Roro Aotearoa, New Zealand
| | - Ashleigh O’Mara Baker
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
- School of Psychology, University of Auckland, Auckland, New Zealand
- Brain Research New Zealand, Rangahau Roro Aotearoa, New Zealand
| | - Christina Ilse
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
- Brain Research New Zealand, Rangahau Roro Aotearoa, New Zealand
| | - Kiri L. Brickell
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
- Brain Research New Zealand, Rangahau Roro Aotearoa, New Zealand
| | - Hannah M. Kersten
- School of Optometry and Vision Science, University of Auckland, Auckland, New Zealand
| | - Joanna M. Williams
- Department of Anatomy, University of Otago, Dunedin, New Zealand
- Brain Health Research Centre, University of Otago, Dunedin, New Zealand
- Brain Research New Zealand, Rangahau Roro Aotearoa, New Zealand
| | - Donna Rose Addis
- School of Psychology, University of Auckland, Auckland, New Zealand
- Rotman Research Institute, Baycrest Health Sciences, Toronto, Canada
- Department of Psychology, University of Toronto, Toronto, Canada
| | - Lynette J. Tippett
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
- School of Psychology, University of Auckland, Auckland, New Zealand
- Brain Research New Zealand, Rangahau Roro Aotearoa, New Zealand
| | - Maurice A. Curtis
- Department of Anatomy and Medical Imaging, University of Auckland, Auckland, New Zealand
- Centre for Brain Research, University of Auckland, Auckland, New Zealand
- Brain Research New Zealand, Rangahau Roro Aotearoa, New Zealand
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39
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Birba A, Santamaría-García H, Prado P, Cruzat J, Ballesteros AS, Legaz A, Fittipaldi S, Duran-Aniotz C, Slachevsky A, Santibañez R, Sigman M, García AM, Whelan R, Moguilner S, Ibáñez A. Allostatic-Interoceptive Overload in Frontotemporal Dementia. Biol Psychiatry 2022; 92:54-67. [PMID: 35491275 PMCID: PMC11184918 DOI: 10.1016/j.biopsych.2022.02.955] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 01/28/2022] [Accepted: 02/16/2022] [Indexed: 12/22/2022]
Abstract
BACKGROUND The predictive coding theory of allostatic-interoceptive load states that brain networks mediating autonomic regulation and interoceptive-exteroceptive balance regulate the internal milieu to anticipate future needs and environmental demands. These functions seem to be distinctly compromised in behavioral variant frontotemporal dementia (bvFTD), including alterations of the allostatic-interoceptive network (AIN). Here, we hypothesize that bvFTD is typified by an allostatic-interoceptive overload. METHODS We assessed resting-state heartbeat evoked potential (rsHEP) modulation as well as its behavioral and multimodal neuroimaging correlates in patients with bvFTD relative to healthy control subjects and patients with Alzheimer's disease (N = 94). We measured 1) resting-state electroencephalography (to assess the rsHEP, prompted by visceral inputs and modulated by internal body sensing), 2) associations between rsHEP and its neural generators (source location), 3) cognitive disturbances (cognitive state, executive functions, facial emotion recognition), 4) brain atrophy, and 5) resting-state functional magnetic resonance imaging functional connectivity (AIN vs. control networks). RESULTS Relative to healthy control subjects and patients with Alzheimer's disease, patients with bvFTD presented more negative rsHEP amplitudes with sources in critical hubs of the AIN (insula, amygdala, somatosensory cortex, hippocampus, anterior cingulate cortex). This exacerbated rsHEP modulation selectively predicted the patients' cognitive profile (including cognitive decline, executive dysfunction, and emotional impairments). In addition, increased rsHEP modulation in bvFTD was associated with decreased brain volume and connectivity of the AIN. Machine learning results confirmed AIN specificity in predicting the bvFTD group. CONCLUSIONS Altogether, these results suggest that bvFTD may be characterized by an allostatic-interoceptive overload manifested in ongoing electrophysiological markers, brain atrophy, functional networks, and cognition.
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Affiliation(s)
- Agustina Birba
- Latin American Brain Health Institute, Universidad Adolfo Ibáñez, Santiago, Chile; National Scientific and Technical Research Council, Buenos Aires, Argentina; Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
| | - Hernando Santamaría-García
- PhD Neuroscience Program, Physiology and Psychiatry Departments, Pontificia Universidad Javeriana, Bogotá, Colombia; Memory and Cognition Center Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia; Global Brain Health Institute, University of California San Francisco, San Francisco, California, and Trinity College Dublin, Dublin, Ireland
| | - Pavel Prado
- Latin American Brain Health Institute, Universidad Adolfo Ibáñez, Santiago, Chile
| | - Josefina Cruzat
- Latin American Brain Health Institute, Universidad Adolfo Ibáñez, Santiago, Chile
| | | | - Agustina Legaz
- National Scientific and Technical Research Council, Buenos Aires, Argentina; Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
| | - Sol Fittipaldi
- National Scientific and Technical Research Council, Buenos Aires, Argentina; Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
| | - Claudia Duran-Aniotz
- Latin American Brain Health Institute, Universidad Adolfo Ibáñez, Santiago, Chile; Center for Social and Cognitive Neuroscience, School of Psychology, Universidad Adolfo Ibáñez, Santiago, Chile
| | - Andrea Slachevsky
- Center for Geroscience, Brain Health and Metabolism, Santiago, Chile; Neuropsychology and Clinical Neuroscience Laboratory, Physiopathology Department, Institute of Biomedical Sciences, Santiago, Chile; Memory and Neuropsychiatric Clinic, Neurology Department, Hospital del Salvador and Faculty of Medicine, University of Chile, Santiago, Chile; Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Rodrigo Santibañez
- Neurology Service, Hospital Dr. Sótero del Río, Santiago, Chile; Neurology Department, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Mariano Sigman
- National Scientific and Technical Research Council, Buenos Aires, Argentina; Laboratorio de Neurociencia, Universidad Torcuato Di Tella, Buenos Aires, Argentina; Facultad de Lenguas y Educación, Universidad Nebrija, Madrid, Spain
| | - Adolfo M García
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile; National Scientific and Technical Research Council, Buenos Aires, Argentina; Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina; Global Brain Health Institute, University of California San Francisco, San Francisco, California, and Trinity College Dublin, Dublin, Ireland
| | - Robert Whelan
- Global Brain Health Institute, University of California San Francisco, San Francisco, California, and Trinity College Dublin, Dublin, Ireland; Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland
| | - Sebastián Moguilner
- Latin American Brain Health Institute, Universidad Adolfo Ibáñez, Santiago, Chile; National Scientific and Technical Research Council, Buenos Aires, Argentina; Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina; Global Brain Health Institute, University of California San Francisco, San Francisco, California, and Trinity College Dublin, Dublin, Ireland; Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Agustín Ibáñez
- Latin American Brain Health Institute, Universidad Adolfo Ibáñez, Santiago, Chile; National Scientific and Technical Research Council, Buenos Aires, Argentina; Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina; Global Brain Health Institute, University of California San Francisco, San Francisco, California, and Trinity College Dublin, Dublin, Ireland; Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland.
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40
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How can we define the presymptomatic C9orf72 disease in 2022? An overview on the current definitions of preclinical and prodromal phases. Rev Neurol (Paris) 2022; 178:426-436. [PMID: 35525633 DOI: 10.1016/j.neurol.2022.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/08/2022] [Indexed: 11/24/2022]
Abstract
Repeat expansions in C9orf72 gene are the main genetic cause of frontotemporal dementia, amyotrophic lateral sclerosis and related phenotypes. With the advent of disease-modifying treatments, the presymptomatic disease phase is getting increasing interest as an ideal time window in which innovant therapeutic approaches could be administered. Recommendations issued from international study groups distinguish between a preclinical disease stage, during which lesions accumulate in absence of any symptoms or signs, and a prodromal stage, marked by the appearance the first subtle cognitive, behavioral, psychiatric and motor signs, before the full-blown disease. This paper summarizes the current definitions and criteria for these stages, in particular focusing on how fluid-based, neuroimaging and cognitive biomarkers can be useful to monitor disease trajectory across the presymptomatic phase, as well as to detect the earliest signs of clinical conversion. Continuous advances in the knowledge of C9orf72 pathophysiology, and the integration of biomarkers in the clinical evaluation of mutation carriers will allow a better diagnostic definition of C9orf72 disease spectrum from the earliest stages, with relevant impact on the possibility of disease prevention.
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41
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Prado P, Birba A, Cruzat J, Santamaría-García H, Parra M, Moguilner S, Tagliazucchi E, Ibáñez A. Dementia ConnEEGtome: Towards multicentric harmonization of EEG connectivity in neurodegeneration. Int J Psychophysiol 2022; 172:24-38. [PMID: 34968581 PMCID: PMC9887537 DOI: 10.1016/j.ijpsycho.2021.12.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 11/26/2021] [Accepted: 12/19/2021] [Indexed: 02/02/2023]
Abstract
The proposal to use brain connectivity as a biomarker for dementia phenotyping can be potentiated by conducting large-scale multicentric studies using high-density electroencephalography (hd- EEG). Nevertheless, several barriers preclude the development of a systematic "ConnEEGtome" in dementia research. Here we review critical sources of variability in EEG connectivity studies, and provide general guidelines for multicentric protocol harmonization. We describe how results can be impacted by the choice for data acquisition, and signal processing workflows. The implementation of a particular processing pipeline is conditional upon assumptions made by researchers about the nature of EEG. Due to these assumptions, EEG connectivity metrics are typically applicable to restricted scenarios, e.g., to a particular neurocognitive disorder. "Ground truths" for the choice of processing workflow and connectivity analysis are impractical. Consequently, efforts should be directed to harmonizing experimental procedures, data acquisition, and the first steps of the preprocessing pipeline. Conducting multiple analyses of the same data and a proper integration of the results need to be considered in additional processing steps. Furthermore, instead of using a single connectivity measure, using a composite metric combining different connectivity measures brings a powerful strategy to scale up the replicability of multicentric EEG connectivity studies. These composite metrics can boost the predictive strength of diagnostic tools for dementia. Moreover, the implementation of multi-feature machine learning classification systems that include EEG-based connectivity analyses may help to exploit the potential of multicentric studies combining clinical-cognitive, molecular, genetics, and neuroimaging data towards a multi-dimensional characterization of the dementia.
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Affiliation(s)
- Pavel Prado
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago de Chile, Chile
| | - Agustina Birba
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago de Chile, Chile,Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Josefina Cruzat
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago de Chile, Chile
| | - Hernando Santamaría-García
- Pontificia Universidad Javeriana, Medical School, Physiology and Psychiatry Departments, Memory and Cognition Center Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia
| | - Mario Parra
- School of Psychological Sciences and Health, University of Strathclyde, Glasgow, United Kingdom
| | - Sebastian Moguilner
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago de Chile, Chile,Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina,Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), California, USA,Trinity College Dublin (TCD), Dublin, Ireland
| | - Enzo Tagliazucchi
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago de Chile, Chile,Departamento de Física, Universidad de Buenos Aires and Instituto de Fisica de Buenos Aires (IFIBA -CONICET), Buenos Aires, Argentina
| | - Agustín Ibáñez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago de Chile, Chile,Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina,Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), California, USA,Trinity College Dublin (TCD), Dublin, Ireland,Corresponding author at: Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago de Chile, Chile., (A. Ibáñez)
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42
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Benussi A, Alberici A, Samra K, Russell LL, Greaves CV, Bocchetta M, Ducharme S, Finger E, Fumagalli G, Galimberti D, Jiskoot LC, Le Ber I, Masellis M, Nacmias B, Rowe JB, Sanchez-Valle R, Seelaar H, Synofzik M, Rohrer JD, Borroni B. Conceptual framework for the definition of preclinical and prodromal frontotemporal dementia. Alzheimers Dement 2021; 18:1408-1423. [PMID: 34874596 DOI: 10.1002/alz.12485] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 08/25/2021] [Accepted: 08/30/2021] [Indexed: 12/13/2022]
Abstract
The presymptomatic stages of frontotemporal dementia (FTD) are still poorly defined and encompass a long accrual of progressive biological (preclinical) and then clinical (prodromal) changes, antedating the onset of dementia. The heterogeneity of clinical presentations and the different neuropathological phenotypes have prevented a prior clear description of either preclinical or prodromal FTD. Recent advances in therapeutic approaches, at least in monogenic disease, demand a proper definition of these predementia stages. It has become clear that a consensus lexicon is needed to comprehensively describe the stages that anticipate dementia. The goal of the present work is to review existing literature on the preclinical and prodromal phases of FTD, providing recommendations to address the unmet questions, therefore laying out a strategy for operationalizing and better characterizing these presymptomatic disease stages.
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Affiliation(s)
- Alberto Benussi
- Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy.,Neurology Unit, Department of Neurological and Vision Sciences, ASST Spedali Civili, Brescia, Italy
| | - Antonella Alberici
- Neurology Unit, Department of Neurological and Vision Sciences, ASST Spedali Civili, Brescia, Italy
| | - Kiran Samra
- Dementia Research Centre, Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK
| | - Lucy L Russell
- Dementia Research Centre, Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK
| | - Caroline V Greaves
- Dementia Research Centre, Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK
| | - Martina Bocchetta
- Dementia Research Centre, Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK
| | - Simon Ducharme
- Department of Psychiatry, Douglas Mental Health University Institute and Douglas Research Centre, McGill University, Montreal, Québec, Canada.,McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Québec, Canada
| | - Elizabeth Finger
- Department of Clinical Neurological Sciences, University of Western Ontario, London, Ontario, Canada
| | - Giorgio Fumagalli
- Fondazione Ca' Granda, IRCCS Ospedale Policlinico, Milan, Italy.,University of Milan, Milan, Italy
| | - Daniela Galimberti
- Fondazione Ca' Granda, IRCCS Ospedale Policlinico, Milan, Italy.,University of Milan, Milan, Italy
| | - Lize C Jiskoot
- Dementia Research Centre, Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK.,Department of Neurology, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - Isabelle Le Ber
- Paris Brain Institute - Institut du Cerveau - ICM, Sorbonne Université, Inserm U1127, CNRS UMR, Paris, France.,Centre de référence des démences rares ou précoces, IM2A, Département de Neurologie, AP-HP - Hôpital Pitié-Salpêtrière, Paris, France.,Département de Neurologie, AP-HP - Hôpital Pitié-Salpêtrière, Paris, France.,Reference Network for Rare Neurological Diseases (ERN-RND), Paris, France
| | - Mario Masellis
- Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, University of Toronto, Toronto, Ontario, Canada
| | - Benedetta Nacmias
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, and IRCCS Fondazione Don Carlo Gnocchi, Florence, Italy
| | - James B Rowe
- Department of Clinical Neurosciences, MRC Cognition and Brain Sciences Unit and Cambridge University Hospitals NHS Trust, University of Cambridge, Cambridge, UK
| | - Raquel Sanchez-Valle
- Alzheimer's Disease and Other Cognitive Disorders Unit, Neurology Service, Hospital Clínic, Institut d'Investigacións Biomèdiques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Harro Seelaar
- Department of Neurology, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - Matthis Synofzik
- Department of Neurodegenerative Diseases, Hertie-Institute for Clinical Brain Research and Center of Neurology, University of Tübingen, Tübingen, Germany.,Center for Neurodegenerative Diseases (DZNE), Tübingen, Germany
| | | | - Jonathan D Rohrer
- Dementia Research Centre, Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK
| | - Barbara Borroni
- Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy.,Neurology Unit, Department of Neurological and Vision Sciences, ASST Spedali Civili, Brescia, Italy
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43
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Dementia caregiving across Latin America and the Caribbean and brain health diplomacy. LANCET HEALTHY LONGEVITY 2021; 2:e222-e231. [PMID: 34790905 PMCID: PMC8594860 DOI: 10.1016/s2666-7568(21)00031-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The prevalence of dementia in Latin America and the Caribbean is growing rapidly, increasing the burden placed on caregivers. Exacerbated by fragile health-care systems, unstable economies, and extensive inequalities, caregiver burden in this region is among the highest in the world. We reviewed the major challenges to caregiving in Latin America and the Caribbean, and we propose regional and coordinated actions to drive future change. Current challenges include the scarcity of formal long-term care, socioeconomic and social determinants of health disparities, gender-biased burdens, growing dementia prevalence, and the effect of the current COVID-19 pandemic on families affected by dementia. Firstly, we propose local and regional short-term strategic recommendations, including systematic identification of specific caregiver needs, testing of evidence-based local interventions, contextual adaptation of strategies to different settings and cultures, countering gender bias, strengthening community support, provision of basic technology, and better use of available information and communications technology. Additionally, we propose brain health diplomacy (ie, global actions aimed to overcome the systemic challenges to brain health by bridging disciplines and sectors) and convergence science as frameworks for long-term coordinated responses, integrating tools, knowledge, and strategies to expand access to digital technology and develop collaborative models of care. Addressing the vast inequalities in dementia caregiving across Latin America and the Caribbean requires innovative, evidence-based solutions coordinated with the strengthening of public policies.
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44
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Zapata-Restrepo L, Rivas J, Miranda C, Miller BL, Ibanez A, Allen IE, Possin K. The Psychiatric Misdiagnosis of Behavioral Variant Frontotemporal Dementia in a Colombian Sample. Front Neurol 2021; 12:729381. [PMID: 34867716 PMCID: PMC8634474 DOI: 10.3389/fneur.2021.729381] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 10/22/2021] [Indexed: 01/04/2023] Open
Abstract
Objective: To describe the demographic characteristics, initial psychiatric diagnoses, and the time to reach a diagnosis of probable behavioral variant frontotemporal dementia (bvFTD) in a public psychiatric hospital in Cali, Colombia. Methods: We retrospectively reviewed the medical records of 28 patients who were diagnosed with probable bvFTD based on a multidisciplinary evaluation that included a structural MRI, neuropsychological testing, functional assessment, and neurological exam. Prior to this evaluation, all patients were evaluated by a psychiatrist as part of their initial consultation at the hospital. The initial consultation included the Neuropsychiatric Inventory and diagnoses based on the DSM-V. Demographics, clinical features, and initial psychiatric misdiagnoses were extracted from clinical records and summarized in the full sample and by gender. Results: The study sample had a mean education of 10.0 years (SD = 4.9) and 68.0% were female. In the full sample, 28.6% were initially diagnosed with dementia, and 71.4% with a psychiatric disorder. The psychiatric diagnosis at initial consultation differed by gender. Women were most likely to be diagnosed with depression (26.3%) or bipolar disorder (26.3%), while the men were most likely to be diagnosed with anxiety (33.3%) or a psychotic disorder (22.2%). Psychotic symptoms were common (delusions, 60.7% and hallucinations, 39.3%), and the pattern of neuropsychiatric symptoms did not differ by gender. Conclusions: This is one of few case series of bvFTD in a Colombian population, where bvFTD is a recognizable and prevalent disorder. In this psychiatric hospital, the majority of patients with bvFTD were initially diagnosed with a primary psychiatric condition. There was a gender difference in psychiatric diagnosis, but not in neuropsychiatric symptoms. In this sample, the rate of psychiatric misdiagnosis, as well as the psychotic symptoms, were higher compared to rates described in other countries. These results highlight the need for interventions to improve bvFTD diagnosis in under-represented populations.
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Affiliation(s)
- Lina Zapata-Restrepo
- Global Brain Health Institute, University of California, San Francisco, San Francisco, CA, United States
- Trinity College Dublin, Dublin, Ireland
| | - Juan Rivas
- Hospital Departamental Psiquiátrico, Universitario del Valle, Cali, Colombia
- Department of Psychiatry, Universidad del Valle, Cali, Colombia
- Department of Psychiatry, Fundación Valle del Lili, Cali, Colombia
- Department of Psychiatry, Universidad ICESI, Cali, Colombia
| | - Carlos Miranda
- Hospital Departamental Psiquiátrico, Universitario del Valle, Cali, Colombia
- Department of Psychiatry, Universidad del Valle, Cali, Colombia
| | - Bruce L. Miller
- Global Brain Health Institute, University of California, San Francisco, San Francisco, CA, United States
- Trinity College Dublin, Dublin, Ireland
- The Memory and Aging Center, Department of Neurology, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States
| | - Agustín Ibanez
- Global Brain Health Institute, University of California, San Francisco, San Francisco, CA, United States
- Trinity College Dublin, Dublin, Ireland
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago de Chile, Chile
| | - Isabel E. Allen
- Global Brain Health Institute, University of California, San Francisco, San Francisco, CA, United States
- Trinity College Dublin, Dublin, Ireland
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, United States
| | - Katherine Possin
- Global Brain Health Institute, University of California, San Francisco, San Francisco, CA, United States
- Trinity College Dublin, Dublin, Ireland
- The Memory and Aging Center, Department of Neurology, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States
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45
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Legaz A, Abrevaya S, Dottori M, Campo CG, Birba A, Caro MM, Aguirre J, Slachevsky A, Aranguiz R, Serrano C, Gillan CM, Leroi I, García AM, Fittipaldi S, Ibañez A. Multimodal mechanisms of human socially reinforced learning across neurodegenerative diseases. Brain 2021; 145:1052-1068. [PMID: 34529034 PMCID: PMC9128375 DOI: 10.1093/brain/awab345] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/17/2021] [Accepted: 09/06/2021] [Indexed: 11/13/2022] Open
Abstract
Social feedback can selectively enhance learning in diverse domains. Relevant
neurocognitive mechanisms have been studied mainly in healthy persons, yielding
correlational findings. Neurodegenerative lesion models, coupled with multimodal
brain measures, can complement standard approaches by revealing direct
multidimensional correlates of the phenomenon. To this end, we assessed socially reinforced and non-socially reinforced learning
in 40 healthy participants as well as persons with behavioural variant
frontotemporal dementia (n = 21), Parkinson’s
disease (n = 31) and Alzheimer’s disease
(n = 20). These conditions are typified by
predominant deficits in social cognition, feedback-based learning and
associative learning, respectively, although all three domains may be partly
compromised in the other conditions. We combined a validated behavioural task
with ongoing EEG signatures of implicit learning (medial frontal negativity) and
offline MRI measures (voxel-based morphometry). In healthy participants, learning was facilitated by social feedback relative to
non-social feedback. In comparison with controls, this effect was specifically
impaired in behavioural variant frontotemporal dementia and Parkinson’s
disease, while unspecific learning deficits (across social and non-social
conditions) were observed in Alzheimer’s disease. EEG results showed
increased medial frontal negativity in healthy controls during social feedback
and learning. Such a modulation was selectively disrupted in behavioural variant
frontotemporal dementia. Neuroanatomical results revealed extended
temporo-parietal and fronto-limbic correlates of socially reinforced learning,
with specific temporo-parietal associations in behavioural variant
frontotemporal dementia and predominantly fronto-limbic regions in
Alzheimer’s disease. In contrast, non-socially reinforced learning was
consistently linked to medial temporal/hippocampal regions. No associations with
cortical volume were found in Parkinson’s disease. Results are consistent
with core social deficits in behavioural variant frontotemporal dementia, subtle
disruptions in ongoing feedback-mechanisms and social processes in
Parkinson’s disease and generalized learning alterations in
Alzheimer’s disease. This multimodal approach highlights the impact of
different neurodegenerative profiles on learning and social feedback. Our findings inform a promising theoretical and clinical agenda in the fields of
social learning, socially reinforced learning and neurodegeneration.
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Affiliation(s)
- Agustina Legaz
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, C1011ACC, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina.,Universidad Nacional de Córdoba. Facultad de Psicología, Córdoba, CU320, Argentina
| | - Sofía Abrevaya
- National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina.,Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, CONICET, Buenos Aires, C1021, Argentina
| | - Martín Dottori
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, C1011ACC, Argentina
| | - Cecilia González Campo
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, C1011ACC, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina
| | - Agustina Birba
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, C1011ACC, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina
| | - Miguel Martorell Caro
- National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina.,Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, CONICET, Buenos Aires, C1021, Argentina
| | - Julieta Aguirre
- Instituto de Investigaciones Psicológicas (IIPsi), CONICET, Universidad Nacional de Córdoba, Córdoba, CB5000, Argentina
| | - Andrea Slachevsky
- Memory and Neuropsychiatric Clinic (CMYN) Neurology Department, Hospital delSalvador, SSMO & Faculty of Medicine, University of Chile, Santiago, Chile.,Gerosciences Center for Brain Health and Metabolism, Santiago, Chile.,Neuropsychology and Clinical Neuroscience Laboratory, Physiopathology Department, ICBM, Neurosciences Department, Faculty of Medicine, University of Chile, Chile.,Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, Chile
| | | | - Cecilia Serrano
- Neurología Cognitiva, Hospital Cesar Milstein, Buenos Aires, C1221, Argentina
| | - Claire M Gillan
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA 94158, USA.,Department of Psychology, Trinity College Dublin, Dublin, Ireland.,Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland
| | - Iracema Leroi
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA 94158, USA
| | - Adolfo M García
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, C1011ACC, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina.,Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA 94158, USA.,Global Brain Health Institute (GBHI), Trinity College Dublin (TCD), Dublin, Dublin 2, Ireland.,Faculty of Education, National University of Cuyo, Mendoza, M5502JMA, Argentina.,Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
| | - Sol Fittipaldi
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, C1011ACC, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina.,Universidad Nacional de Córdoba. Facultad de Psicología, Córdoba, CU320, Argentina
| | - Agustín Ibañez
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, C1011ACC, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina.,Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA 94158, USA.,Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
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Custodio N, Montesinos R, Cruzado L, Herrera-Perez E, Failoc-Rojas VE, Pintado-Caipa M, Seminario G W, Cuenca J, Gamboa C, Diaz MM. Social Cognition and Behavioral Assessments Improve the Diagnosis of Behavioral Variant of Frontotemporal Dementia in Older Peruvians With Low Educational Levels. Front Neurol 2021; 12:704109. [PMID: 34552551 PMCID: PMC8450322 DOI: 10.3389/fneur.2021.704109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 07/07/2021] [Indexed: 11/13/2022] Open
Abstract
Background: The behavioral variant of frontotemporal dementia (bvFTD), characterized by early behavioral abnormalities and late memory impairment, is a neurodegenerative disorder with a detrimental impact on patients and their caregivers. bvFTD is often difficult to distinguish from other neurodegenerative diseases, such as Alzheimer's disease (AD), using brief cognitive tests. Combining brief socio-cognitive and behavioral evaluations with standard cognitive testing could better discriminate bvFTD from AD patients. We sought to evaluate the diagnostic accuracy of brief socio-cognitive tests that may differentiate bvFTD and AD patients with low educational levels. Methods: A prospective study was performed on 51 individuals over the age of 50 with low educational levels, with bvFTD or AD diagnosed using published criteria, and who were receiving neurological care at a multidisciplinary neurology clinic in Lima, Peru, between July 2017 and December 2020. All patients had a comprehensive neurological evaluation, including a full neurocognitive battery and brief tests of cognition (Addenbrooke's Cognitive Examination version III, ACE-III), social cognition (Mini-social Cognition and Emotional Assessment, Mini-SEA), and behavioral assessments (Frontal Behavioral Inventory, FBI; Interpersonal Reactivity Index-Emphatic Concern, IRI-EC; IRI-Perspective Taking, IRI-PT; and Self-Monitoring Scale-revised version, r-SMS). Receiver operating characteristic (ROC) analysis to calculate the area under the curve (AUC) was performed to compare the brief screening tests individually and combined to the gold standard of bvFTD and AD diagnoses. Results: The AD group was significantly older than the bvFTD group (p < 0.001). An analysis of the discriminatory ability of the ACE-III to distinguish between patients with AD and bvFTD (AUC = 0.85) and the INECO Frontal Screening (IFS; AUC = 0.78) shows that the former has greater discriminatory ability. Social and behavioral cognition tasks were able to appropriately discriminate bvFTD from AD. The Mini-SEA had high sensitivity and high moderate specificity (83%) for discriminating bvFTD from AD, which increased when combined with the brief screening tests ACE-III and IFS. The FBI was ideal with high sensitivity (83%), as well as the IRI-EC and IRI-PT that also were adequate for distinguishing bvFTD from AD. Conclusions: Our study supports the integration of socio-behavioral measures to the standard global cognitive and social cognition measures utilized for screening for bvFTD in a population with low levels of education.
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Affiliation(s)
- Nilton Custodio
- Servicio de Neurología, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Diagnóstico de Deterioro Cognitivo y Prevención De Demencia, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Investigación, Instituto Peruano de Neurociencias, Lince, Peru
| | - Rosa Montesinos
- Unidad de Diagnóstico de Deterioro Cognitivo y Prevención De Demencia, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Investigación, Instituto Peruano de Neurociencias, Lince, Peru
- Facultad de Medicina, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Lizardo Cruzado
- Unidad de Investigación, Instituto Peruano de Neurociencias, Lince, Peru
- Instituto Nacional de Salud Mental “Honorio Delgado—Hideyo Noguchi”, Lima, Peru
- Grupo de investigación Molident, Universidad San Ignacio de Loyola, Lima, Peru
| | - Eder Herrera-Perez
- Unidad de Diagnóstico de Deterioro Cognitivo y Prevención De Demencia, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Investigación, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Investigación para la Generación y Síntesis de Evidencias en Salud, Universidad San Ignacio de Loyola, Lima, Peru
| | - Virgilio E. Failoc-Rojas
- Unidad de Diagnóstico de Deterioro Cognitivo y Prevención De Demencia, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Investigación, Instituto Peruano de Neurociencias, Lince, Peru
| | - Maritza Pintado-Caipa
- Servicio de Neurología, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Diagnóstico de Deterioro Cognitivo y Prevención De Demencia, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Investigación, Instituto Peruano de Neurociencias, Lince, Peru
- Atlantic Fellow, Global Brain Health Institute, University of California, San Francisco, San Francisco, CA, United States
| | - Wendy Seminario G
- Servicio de Neurología, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Diagnóstico de Deterioro Cognitivo y Prevención De Demencia, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Investigación, Instituto Peruano de Neurociencias, Lince, Peru
| | - José Cuenca
- Unidad de Investigación, Instituto Peruano de Neurociencias, Lince, Peru
- Facultad de Medicina, Universidad Peruana Cayetano Heredia, Lima, Peru
- Servicio de Neuropsicología, Instituto Peruano de Neurociencias, Lima, Peru
- Carrera de Psicología, Facultad de Ciencias de la Salud, Universidad Privada del Norte, Lima, Peru
| | - Carlos Gamboa
- Unidad de Diagnóstico de Deterioro Cognitivo y Prevención De Demencia, Instituto Peruano de Neurociencias, Lince, Peru
- Unidad de Investigación, Instituto Peruano de Neurociencias, Lince, Peru
- Servicio de Neuropsicología, Instituto Peruano de Neurociencias, Lima, Peru
| | - Monica M. Diaz
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Facultad de Salud Pública y Administración, Universidad Peruana Cayetano Heredia, Lima, Peru
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47
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Geraudie A, Díaz Rivera M, Montembeault M, García AM. Language in Behavioral Variant Frontotemporal Dementia: Another Stone to Be Turned in Latin America. Front Neurol 2021; 12:702770. [PMID: 34447348 PMCID: PMC8383282 DOI: 10.3389/fneur.2021.702770] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/12/2021] [Indexed: 12/03/2022] Open
Abstract
Beyond canonical deficits in social cognition and interpersonal conduct, behavioral variant frontotemporal dementia (bvFTD) involves language difficulties in a substantial proportion of cases. However, since most evidence comes from high-income countries, the scope and relevance of language deficits in Latin American bvFTD samples remain poorly understood. As a first step toward reversing this scenario, we review studies reporting language measures in Latin American bvFTD cohorts relative to other groups. We identified 24 papers meeting systematic criteria, mainly targeting phonemic and semantic fluency, naming, semantic processing, and comprehension skills. The evidence shows widespread impairments in these domains, often related to overall cognitive disturbances. Some of these deficits may be as severe as in other diseases where they are more widely acknowledged, such as Alzheimer's disease. Considering the prevalence and informativeness of language deficits in bvFTD patients from other world regions, the need arises for more systematic research in Latin America, ideally spanning multiple domains, in diverse languages and dialects, with validated batteries. We outline key challenges and pathways of progress in this direction, laying the ground for a new regional research agenda on the disorder.
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Affiliation(s)
- Amandine Geraudie
- Neurology Department, Toulouse University Hospital, Toulouse, France
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Mariano Díaz Rivera
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- Agencia Nacional de Promoción Científica y Tecnológica, Buenos Aires, Argentina
| | - Maxime Montembeault
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Adolfo M. García
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Faculty of Education, National University of Cuyo, Mendoza, Argentina
- Global Brain Health Institute, University of California, San Francisco, San Francisco, CA, United States
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
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48
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Salamone PC, Legaz A, Sedeño L, Moguilner S, Fraile-Vazquez M, Campo CG, Fittipaldi S, Yoris A, Miranda M, Birba A, Galiani A, Abrevaya S, Neely A, Caro MM, Alifano F, Villagra R, Anunziata F, Okada de Oliveira M, Pautassi RM, Slachevsky A, Serrano C, García AM, Ibañez A. Interoception Primes Emotional Processing: Multimodal Evidence from Neurodegeneration. J Neurosci 2021; 41:4276-4292. [PMID: 33827935 PMCID: PMC8143206 DOI: 10.1523/jneurosci.2578-20.2021] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 12/15/2022] Open
Abstract
Recent frameworks in cognitive neuroscience and behavioral neurology underscore interoceptive priors as core modulators of negative emotions. However, the field lacks experimental designs manipulating the priming of emotions via interoception and exploring their multimodal signatures in neurodegenerative models. Here, we designed a novel task that involves interoceptive and control-exteroceptive priming conditions followed by post-interoception and post-exteroception facial emotion recognition (FER). We recruited 114 participants, including healthy controls (HCs) as well as patients with behavioral variant frontotemporal dementia (bvFTD), Parkinson's disease (PD), and Alzheimer's disease (AD). We measured online EEG modulations of the heart-evoked potential (HEP), and associations with both brain structural and resting-state functional connectivity patterns. Behaviorally, post-interoception negative FER was enhanced in HCs but selectively disrupted in bvFTD and PD, with AD presenting generalized disruptions across emotion types. Only bvFTD presented impaired interoceptive accuracy. Increased HEP modulations during post-interoception negative FER was observed in HCs and AD, but not in bvFTD or PD patients. Across all groups, post-interoception negative FER correlated with the volume of the insula and the ACC. Also, negative FER was associated with functional connectivity along the (a) salience network in the post-interoception condition, and along the (b) executive network in the post-exteroception condition. These patterns were selectively disrupted in bvFTD (a) and PD (b), respectively. Our approach underscores the multidimensional impact of interoception on emotion, while revealing a specific pathophysiological marker of bvFTD. These findings inform a promising theoretical and clinical agenda in the fields of nteroception, emotion, allostasis, and neurodegeneration.SIGNIFICANCE STATEMENT We examined whether and how emotions are primed by interoceptive states combining multimodal measures in healthy controls and neurodegenerative models. In controls, negative emotion recognition and ongoing HEP modulations were increased after interoception. These patterns were selectively disrupted in patients with atrophy across key interoceptive-emotional regions (e.g., the insula and the cingulate in frontotemporal dementia, frontostriatal networks in Parkinson's disease), whereas persons with Alzheimer's disease presented generalized emotional processing abnormalities with preserved interoceptive mechanisms. The integration of both domains was associated with the volume and connectivity (salience network) of canonical interoceptive-emotional hubs, critically involving the insula and the anterior cingulate. Our study reveals multimodal markers of interoceptive-emotional priming, laying the groundwork for new agendas in cognitive neuroscience and behavioral neurology.
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Affiliation(s)
- Paula C Salamone
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Agustina Legaz
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Lucas Sedeño
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Sebastián Moguilner
- Global Brain Health Institute, University of California-San Francisco, San Francisco, California, and Trinity College Dublin, Dublin, Ireland
- Nuclear Medicine School Foundation, National Commission of Atomic Energy, Mendoza, Argentina
| | | | - Cecilia Gonzalez Campo
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Sol Fittipaldi
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Adrián Yoris
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, CONICET, Buenos Aires, Argentina
| | - Magdalena Miranda
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, CONICET, Buenos Aires, Argentina
| | - Agustina Birba
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Agostina Galiani
- Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, CONICET, Buenos Aires, Argentina
| | - Sofía Abrevaya
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, CONICET, Buenos Aires, Argentina
| | - Alejandra Neely
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Miguel Martorell Caro
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, CONICET, Buenos Aires, Argentina
| | - Florencia Alifano
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, CONICET, Buenos Aires, Argentina
| | - Roque Villagra
- Memory and Neuropsychiatric Clinic, Neurology Department, Hospital del Salvador, SSMO & Faculty of Medicine, University of Chile, Santiago, Chile
| | - Florencia Anunziata
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
- Instituto de Investigación Médica M. y M. Ferreyra, INIMEC-CONICET-UNC, Córdoba, Argentina
| | - Maira Okada de Oliveira
- Global Brain Health Institute, University of California-San Francisco, San Francisco, California, and Trinity College Dublin, Dublin, Ireland
- Department of Neurology, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP Brazil
- Department of Neurology, Hospital Santa Marcelina, Sao Paulo, SP Brazil
| | - Ricardo M Pautassi
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
- Instituto de Investigación Médica M. y M. Ferreyra, INIMEC-CONICET-UNC, Córdoba, Argentina
| | - Andrea Slachevsky
- Memory and Neuropsychiatric Clinic, Neurology Department, Hospital del Salvador, SSMO & Faculty of Medicine, University of Chile, Santiago, Chile
- Gerosciences Center for Brain Health and Metabolism, Santiago, Chile
- Neuropsychology and Clinical Neuroscience Laboratory, Physiopathology Department, ICBM, Neurosciences Department, Faculty of Medicine, University of Chile, Santiago, Chile
- Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Cecilia Serrano
- Neurología Cognitiva, Hospital Cesar Milstein, Buenos Aires, Argentina
| | - Adolfo M García
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Global Brain Health Institute, University of California-San Francisco, San Francisco, California, and Trinity College Dublin, Dublin, Ireland
- Faculty of Education, National University of Cuyo, Mendoza, M5502JMA, Argentina
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
| | - Agustín Ibañez
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Global Brain Health Institute, University of California-San Francisco, San Francisco, California, and Trinity College Dublin, Dublin, Ireland
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
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Ibañez A, Fittipaldi S, Trujillo C, Jaramillo T, Torres A, Cardona JF, Rivera R, Slachevsky A, García A, Bertoux M, Baez S. Predicting and Characterizing Neurodegenerative Subtypes with Multimodal Neurocognitive Signatures of Social and Cognitive Processes. J Alzheimers Dis 2021; 83:227-248. [PMID: 34275897 PMCID: PMC8461708 DOI: 10.3233/jad-210163] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/11/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Social cognition is critically compromised across neurodegenerative diseases, including the behavioral variant frontotemporal dementia (bvFTD), Alzheimer's disease (AD), and Parkinson's disease (PD). However, no previous study has used social cognition and other cognitive tasks to predict diagnoses of these conditions, let alone reporting the brain correlates of prediction outcomes. OBJECTIVE We performed a diagnostic classification analysis using social cognition, cognitive screening (CS), and executive function (EF) measures, and explored which anatomical and functional networks were associated with main predictors. METHODS Multiple group discriminant function analyses (MDAs) and ROC analyses of social cognition (facial emotional recognition, theory of mind), CS, and EF were implemented in 223 participants (bvFTD, AD, PD, controls). Gray matter volume and functional connectivity correlates of top discriminant scores were investigated. RESULTS Although all patient groups revealed deficits in social cognition, CS, and EF, our classification approach provided robust discriminatory characterizations. Regarding controls, probabilistic social cognition outcomes provided the best characterization for bvFTD (together with CS) and PD, but not AD (for which CS alone was the best predictor). Within patient groups, the best MDA probabilities scores yielded high classification rates for bvFTD versus PD (98.3%, social cognition), AD versus PD (98.6%, social cognition + CS), and bvFTD versus AD (71.7%, social cognition + CS). Top MDA scores were associated with specific patterns of atrophy and functional networks across neurodegenerative conditions. CONCLUSION Standardized validated measures of social cognition, in combination with CS, can provide a dimensional classification with specific pathophysiological markers of neurodegeneration diagnoses.
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Affiliation(s)
- Agustín Ibañez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Global Brain Health Institute, Trinity College Dublin (TCD), Dublin, Ireland
| | - Sol Fittipaldi
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Facultad de Psicología, Universidad Nacional de Córdoba, Córdoba, Argentina
| | | | - Tania Jaramillo
- Instituto de Psicología, Universidad del Valle, Cali, Colombia
| | | | - Juan F. Cardona
- Instituto de Psicología, Universidad del Valle, Cali, Colombia
| | - Rodrigo Rivera
- Neuroradiology Department, Instituto de Neurocirugia, Universidad de Chile, Santiago, Chile
| | - Andrea Slachevsky
- Geroscience Center for Brain Health and Metabolism (GERO), Faculty of Medicine, University of Chile, Santiago, Chile
- Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Department - ICBM, Neuroscience and East Neuroscience Departments, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Adolfo García
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Global Brain Health Institute, University of California, San Francisco, CA, USA
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
| | - Maxime Bertoux
- Lille Center of Excellence for Neurodegenerative Disorders (LICEND), CHU Lille, U1172 - Lille Neurosciences & Cognition, Université de Lille, Inserm, Lille, France
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