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Gurgone S, De Salvo S, Bonanno L, Muscarà N, Acri G, Caridi F, Paladini G, Borzelli D, Brigandì A, La Torre D, Sorbera C, Anfuso C, Di Lorenzo G, Venuti V, d'Avella A, Marino S. Changes in cerebral cortex activity during a simple motor task after MRgFUS treatment in patients affected by essential tremor and Parkinson's disease: a pilot study using functional NIRS. Phys Med Biol 2024; 69:025014. [PMID: 38100845 DOI: 10.1088/1361-6560/ad164e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 12/15/2023] [Indexed: 12/17/2023]
Abstract
Objective.Magnetic resonance imaging-guided focused ultrasound surgery (MRgFUS) is a non-invasive thermal ablation method that involves high-intensity focused ultrasound surgery (FUS) and Magnetic Resonance Imaging for anatomical imaging and real-time thermal mapping. This technique is widely employed for the treatment of patients affected by essential tremor (ET) and Parkinson's disease (PD). In the current study, functional near-infrared spectroscopy (fNIRS) was used to highlight hemodynamics changes in cerebral cortex activity, during a simple hand motor task, i.e. unimanual left and right finger-tapping, in ET and PD patients.Approach.All patients were evaluated before, one week and one month after MRgFUS treatment.Main results.fNIRS revealed cerebral hemodynamic changes one week and one month after MRgFUS treatment, especially in the ET group, that showed a significant clinical improvement in tremor clinical scores.Significance.To our knowledge, our study is the first that showed the use of fNIRS system to measure the cortical activity changes following unilateral ventral intermediate nucleus thalamotomy after MRgFUS treatment. Our findings showed that therapeutic MRgFUS promoted the remodeling of neuronal networks and changes in cortical activity in association with symptomatic improvements.
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Affiliation(s)
- Sergio Gurgone
- Center for Information and Neural Networks (CiNet), Advanced ICT Research Institute, National Institute of Information and Communications Technology, 1-4, Yamadaoka, Suita City, 565-0871 Osaka, Japan
| | - Simona De Salvo
- IRCCS Centro Neurolesi 'Bonino-Pulejo', Via Palermo, Ctr. Casazza, S.S. 113, I-98121 Messina, Italy
| | - Lilla Bonanno
- IRCCS Centro Neurolesi 'Bonino-Pulejo', Via Palermo, Ctr. Casazza, S.S. 113, I-98121 Messina, Italy
| | - Nunzio Muscarà
- IRCCS Centro Neurolesi 'Bonino-Pulejo', Via Palermo, Ctr. Casazza, S.S. 113, I-98121 Messina, Italy
| | - Giuseppe Acri
- Dipartimento di Scienze Biomediche, Odontoiatriche, e delle Immagini Morfologiche e Funzionali, Università degli Studi di Messina, c/o A.O.U. Policlinico 'G. Martino' Via Consolare Valeria 1, I-98125 Messina, Italy
| | - Francesco Caridi
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università degli Studi di Messina, V.le F. Stagno D'Alcontres 31, I-98166 Messina, Italy
| | - Giuseppe Paladini
- Dipartimento di Fisica e Astronomia 'Ettore Majorana', Università degli Studi di Catania, Via S. Sofia 64, I-95123 Catania, Italy
| | - Daniele Borzelli
- Dipartimento di Scienze Biomediche, Odontoiatriche, e delle Immagini Morfologiche e Funzionali, Università degli Studi di Messina, c/o A.O.U. Policlinico 'G. Martino' Via Consolare Valeria 1, I-98125 Messina, Italy
- Laboratorio di Fisiologia Neuromotoria, IRCCS Fondazione Santa Lucia, Via Ardeatina 306-354, I-00179 Roma, Italy
| | - Amelia Brigandì
- IRCCS Centro Neurolesi 'Bonino-Pulejo', Via Palermo, Ctr. Casazza, S.S. 113, I-98121 Messina, Italy
| | - Domenico La Torre
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Neurochirurgia, Università degli Studi 'Magna Graecia' di Catanzaro, Viale Europa, I-88100 Catanzaro, Italy
| | - Chiara Sorbera
- IRCCS Centro Neurolesi 'Bonino-Pulejo', Via Palermo, Ctr. Casazza, S.S. 113, I-98121 Messina, Italy
| | - Carmelo Anfuso
- IRCCS Centro Neurolesi 'Bonino-Pulejo', Via Palermo, Ctr. Casazza, S.S. 113, I-98121 Messina, Italy
| | - Giuseppe Di Lorenzo
- IRCCS Centro Neurolesi 'Bonino-Pulejo', Via Palermo, Ctr. Casazza, S.S. 113, I-98121 Messina, Italy
| | - Valentina Venuti
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università degli Studi di Messina, V.le F. Stagno D'Alcontres 31, I-98166 Messina, Italy
| | - Andrea d'Avella
- Dipartimento di Scienze Biomediche, Odontoiatriche, e delle Immagini Morfologiche e Funzionali, Università degli Studi di Messina, c/o A.O.U. Policlinico 'G. Martino' Via Consolare Valeria 1, I-98125 Messina, Italy
- Laboratorio di Fisiologia Neuromotoria, IRCCS Fondazione Santa Lucia, Via Ardeatina 306-354, I-00179 Roma, Italy
| | - Silvia Marino
- IRCCS Centro Neurolesi 'Bonino-Pulejo', Via Palermo, Ctr. Casazza, S.S. 113, I-98121 Messina, Italy
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2
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Ibáñez A, Kühne K, Miklashevsky A, Monaco E, Muraki E, Ranzini M, Speed LJ, Tuena C. Ecological Meanings: A Consensus Paper on Individual Differences and Contextual Influences in Embodied Language. J Cogn 2023; 6:59. [PMID: 37841670 PMCID: PMC10573819 DOI: 10.5334/joc.228] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/20/2022] [Indexed: 10/17/2023] Open
Abstract
Embodied theories of cognition consider many aspects of language and other cognitive domains as the result of sensory and motor processes. In this view, the appraisal and the use of concepts are based on mechanisms of simulation grounded on prior sensorimotor experiences. Even though these theories continue receiving attention and support, increasing evidence indicates the need to consider the flexible nature of the simulation process, and to accordingly refine embodied accounts. In this consensus paper, we discuss two potential sources of variability in experimental studies on embodiment of language: individual differences and context. Specifically, we show how factors contributing to individual differences may explain inconsistent findings in embodied language phenomena. These factors include sensorimotor or cultural experiences, imagery, context-related factors, and cognitive strategies. We also analyze the different contextual modulations, from single words to sentences and narratives, as well as the top-down and bottom-up influences. Similarly, we review recent efforts to include cultural and language diversity, aging, neurodegenerative diseases, and brain disorders, as well as bilingual evidence into the embodiment framework. We address the importance of considering individual differences and context in clinical studies to drive translational research more efficiently, and we indicate recommendations on how to correctly address these issues in future research. Systematically investigating individual differences and context may contribute to understanding the dynamic nature of simulation in language processes, refining embodied theories of cognition, and ultimately filling the gap between cognition in artificial experimental settings and cognition in the wild (i.e., in everyday life).
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Affiliation(s)
- Agustín Ibáñez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibáñez, Santiago de Chile, 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), California, US
- Trinity College Dublin (TCD), Dublin, Ireland, IE
| | - Katharina Kühne
- Potsdam Embodied Cognition Group, Cognitive Sciences, University of Potsdam, Potsdam, DE
| | - Alex Miklashevsky
- Potsdam Embodied Cognition Group, Cognitive Sciences, University of Potsdam, Potsdam, DE
| | - Elisa Monaco
- Laboratory for Cognitive and Neurological Sciences, Department of Neuroscience and Movement Science, Faculty of Science and Medicine, University of Fribourg, CH
| | - Emiko Muraki
- Department of Psychology & Hotchkiss Brain Institute, University of Calgary, CA
| | | | | | - Cosimo Tuena
- Applied Technology for Neuro-Psychology Lab, IRCCS Istituto Auxologico Italiano, Milan, IT
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3
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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: 8] [Impact Index Per Article: 4.0] [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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4
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Cervetto S, Birba A, Pérez G, Amoruso L, García AM. Body into Narrative: Behavioral and Neurophysiological Signatures of Action Text Processing After Ecological Motor Training. Neuroscience 2022; 507:52-63. [PMID: 36368604 DOI: 10.1016/j.neuroscience.2022.10.024] [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: 08/31/2022] [Revised: 10/20/2022] [Accepted: 10/25/2022] [Indexed: 11/09/2022]
Abstract
Embodied cognition research indicates that sensorimotor training can influence action concept processing. Yet, most studies employ isolated (pseudo)randomized stimuli and require repetitive single-effector responses, thus lacking ecological validity. Moreover, the neural signatures of these effects remain poorly understood. Here, we examined whether immersive bodily training can modulate behavioral and functional connectivity correlates of action-verb processing in naturalistic narratives. The study involved three phases. First, in the Pre-training phase, 32 healthy persons listened to an action text (rich in movement descriptions) and a non-action text (focused on its characters' perceptual and mental processes), completed comprehension questionnaires, and underwent resting-state electroencephalogram (EEG) recordings. Second, in the four-day Training phase, half the participants completed an exergaming intervention (eliciting full-body movements for 60 min a day) while the remaining half played static videogames (requiring no bodily engagement other than button presses). Finally, in the Post-training phase, all participants repeated the Pre-training protocol with different action and non-action texts and a new EEG session. We found that exergaming selectively reduced action-verb outcomes and fronto-posterior functional connectivity in the motor-sensitive ∼ 10-20 Hz range, both patterns being positively correlated. Conversely, static videogame playing yielded no specific effect on any linguistic category and did not modulate functional connectivity. Together, these findings suggest that action-verb processing and key neural correlates can be focally influenced by full-body motor training in a highly ecological setting. Our study illuminates the role of situated experience and sensorimotor circuits in action-concept processing, addressing calls for naturalistic insights on language embodiment.
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Affiliation(s)
- Sabrina Cervetto
- Departamento de Educación Física y Salud, Instituto Superior de Educación Física, Universidad de la República, Uruguay; Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
| | - Agustina Birba
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina
| | - Gonzalo Pérez
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Lucía Amoruso
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina; Basque Center on Cognition, Brain and Language (BCBL), San Sebastian, Spain; Ikerbasque, Basque Foundation for Science, Bilbao, Spain
| | - Adolfo M 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, United States; Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile.
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5
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The action-sentence compatibility effect (ACE): Meta-analysis of a benchmark finding for embodiment. Acta Psychol (Amst) 2022; 230:103712. [PMID: 36103797 DOI: 10.1016/j.actpsy.2022.103712] [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: 05/07/2021] [Revised: 08/12/2022] [Accepted: 08/15/2022] [Indexed: 11/20/2022] Open
Abstract
The embodied account of language comprehension has been one of the most influential theoretical developments in the recent decades addressing the question how humans comprehend and represent language. To examine its assumptions, many studies have made use of behavioral paradigms involving basic compatibility effects. The action-sentence compatibility effect (ACE) is one of the most influential of these compatibility effects and is the most widely cited evidence for the embodied account of language comprehension. However, recently there have been difficulties in extending or even in reliably replicating the ACE. The conflicting findings concerning the ACE and its extensions lead to the discussion of whether the ACE is indeed a reliable effect. In a first step we conducted a meta-analysis using a random-effects model. This analysis revealed a small but significant effect size of the ACE. Furthermore, the task-parameter Delay occurred as a factor of interest in whether the ACE appears with positive or negative effect direction. A second meta-analytic approach (Fisher's method) supports these findings. Additionally, an analysis of publication bias suggests that there is bias in the ACE literature. In post-hoc analyses of the recent multi-lab investigation of the ACE (Morey et al., 2021), evidence for individual differences in the ACE was found. However, further analyses indicate that these differences are likely due to item-specific variability and the specific way in which items were assigned to conditions in the counterbalancing lists.
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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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7
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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: 24] [Impact Index Per Article: 12.0] [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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8
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Gallina J, Zanon M, Mikulan E, Pietrelli M, Gambino S, Ibáñez A, Bertini C. Alterations in resting-state functional connectivity after brain posterior lesions reflect the functionality of the visual system in hemianopic patients. Brain Struct Funct 2022; 227:2939-2956. [PMID: 35585290 DOI: 10.1007/s00429-022-02502-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 04/21/2022] [Indexed: 12/13/2022]
Abstract
Emerging evidence suggests a role of the posterior cortices in regulating alpha oscillatory activity and organizing low-level processing in non-alpha frequency bands. Therefore, posterior brain lesions, which damage the neural circuits of the visual system, might affect functional connectivity patterns of brain rhythms. To test this hypothesis, eyes-closed resting state EEG signal was acquired from patients with hemianopia with left and right posterior lesions, patients without hemianopia with more anterior lesions and healthy controls. Left-lesioned hemianopics showed reduced intrahemispheric connectivity in the range of upper alpha only in the lesioned hemisphere, whereas right-lesioned hemianopics exhibited reduced intrahemispheric alpha connectivity in both hemispheres. In terms of network topology, these impairments were characterized by reduced local functional segregation, with no associated change in global functional integration. This suggests a crucial role of posterior cortices in promoting functional connectivity in the range of alpha. Right-lesioned hemianopics revealed also additional impairments in the theta range, with increased connectivity in this frequency band, characterized by both increased local segregated activity and decreased global integration. This indicates that lesions to right posterior cortices lead to stronger impairments in alpha connectivity and induce additional alterations in local and global low-level processing, suggesting a specialization of the right hemisphere in generating alpha oscillations and in coordinating complex interplays with lower frequency bands. Importantly, hemianopic patient's visual performance in the blind field was linked to alpha functional connectivity, corroborating the notion that alpha oscillatory patterns represent a biomarker of the integrity and the functioning of the underlying visual system.
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Affiliation(s)
- Jessica Gallina
- Centre for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy.,Department of Psychology, University of Bologna, Bologna, Italy
| | - Marco Zanon
- Centre for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy.,Department of Psychology, University of Bologna, Bologna, Italy.,Neuroscience Area, International School for Advanced Studies (SISSA), Trieste, Italy
| | - Ezequiel Mikulan
- Department of Biomedical and Clinical Sciences "L. Sacco", University of Milan, Milan, Italy
| | - Mattia Pietrelli
- Centre for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy.,Department of Psychology, University of Bologna, Bologna, Italy.,Department of Psychiatry, University of WI-Madison, Wisconsin, USA
| | - Silvia Gambino
- Centre for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy.,Department of Psychology, University of Bologna, Bologna, Italy
| | - Agustín Ibáñez
- 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.,Global Brain Health Institute, University of California-San Francisco, San Francisco, CA, USA.,Trinity College Dublin, Dublin, Ireland
| | - Caterina Bertini
- Centre for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy. .,Department of Psychology, University of Bologna, Bologna, Italy.
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9
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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: 18] [Impact Index Per Article: 9.0] [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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10
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Gianelli C, Maiocchi C, Canessa N. Action Fluency in Parkinson's Disease: A Mini-Review and Viewpoint. Front Aging Neurosci 2021; 13:778429. [PMID: 34899280 PMCID: PMC8657128 DOI: 10.3389/fnagi.2021.778429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 10/26/2021] [Indexed: 11/13/2022] Open
Abstract
Increasing evidence shows that the typical motor symptoms of Parkinson's disease (PD) are often accompanied, if not preceded, by cognitive dysfunctions that are potentially linked to further complications of the disease. Notably, these cognitive dysfunctions appear to have a significant impact in the domain of action processing, as indicated by specific impairments for action-related stimuli in general, and verbs in particular. In this mini-review, we focus on the use of the action fluency test as a tool to investigate action processing, in PD patients. We discuss the current results within the embodied cognition framework and in relation to general action-related impairments in PD, while also providing an outlook on open issues and possible avenues for future research. We argue that jointly addressing action semantic processing and motor dysfunctions in PD patients could pave the way to interventions where the motor deficits are addressed to improve both motor and communicative skills since the early disease stages, with a likely significant impact on quality of life.
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Affiliation(s)
- Claudia Gianelli
- Cognitive Neuroscience Laboratory of Pavia Institute, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy.,IUSS Cognitive Neuroscience (ICON) Center, Scuola Universitaria Superiore IUSS, Pavia, Italy
| | - Carlotta Maiocchi
- IUSS Cognitive Neuroscience (ICON) Center, Scuola Universitaria Superiore IUSS, Pavia, Italy
| | - Nicola Canessa
- Cognitive Neuroscience Laboratory of Pavia Institute, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy.,IUSS Cognitive Neuroscience (ICON) Center, Scuola Universitaria Superiore IUSS, Pavia, Italy
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11
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Hyder R, Højlund A, Jensen M, Johnsen EL, Østergaard K, Shtyrov Y. STN-DBS affects language processing differentially in Parkinson's disease: Multiple-case MEG study. Acta Neurol Scand 2021; 144:132-141. [PMID: 33961289 DOI: 10.1111/ane.13423] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 03/02/2021] [Accepted: 03/10/2021] [Indexed: 12/01/2022]
Abstract
OBJECTIVES In this study, we investigated the effects of bilateral and unilateral deep brain stimulation of the subthalamic nucleus (STN-DBS) in PD patients on neural responses associated with two aspects of spoken language processing: semantics of action-related verbs and morphosyntactic processing. MATERIALS AND METHODS Using a passive unattended paradigm to present spoken linguistic stimuli, we recorded magnetoencephalographic (MEG) responses in three PD patients in four DBS conditions: left unilateral STN-DBS, right unilateral STN-DBS, bilateral STN-DBS, and no STN-DBS. To ensure that any observed effects of DBS on the neuromagnetic responses could be attributed to the linguistic context per se and were not merely induced by the electrical stimulation, we assessed the effects of STN-DBS on linguistic contrasts within each stimulation condition. Hence, we contrasted the processing of action vs. abstract verbs as well as the processing of correct vs. incorrect morphosyntactic inflections within each DBS condition. RESULTS The results revealed that, compared to the DBS-off state, both bilateral and right unilateral stimulation of the STN yielded significant dissociations in the processing of action and abstract verbs, with greater neuromagnetic responses for action verbs compared to abstract verbs. For morphosyntax processing, only left unilateral stimulation yielded significant dissociations (relative to the DBS-off state), with greater neuromagnetic responses to the incorrect inflections compared to the correct inflections. CONCLUSION The results reflect differential effects of unilateral and bilateral STN-DBS on neuromagnetic responses associated with the processing of spoken language. They suggest that different specific aspects of linguistic information processing in PD are affected differently by STN-DBS.
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Affiliation(s)
- Rasha Hyder
- Center of Functionally Integrative Neuroscience (CFIN) Department of Clinical Medicine Aarhus University Aarhus Denmark
- Institute of Clinical Neuroscience and Medical Psychology Medical Faculty Heinrich‐Heine University Düsseldorf Germany
| | - Andreas Højlund
- Center of Functionally Integrative Neuroscience (CFIN) Department of Clinical Medicine Aarhus University Aarhus Denmark
| | - Mads Jensen
- Center of Functionally Integrative Neuroscience (CFIN) Department of Clinical Medicine Aarhus University Aarhus Denmark
- Research Unit for Robophilosophy and Integrative Social Robotics Interacting Minds Centre Aarhus University Aarhus Denmark
| | - Erik L. Johnsen
- Department of Neurology Aarhus University Hospital Aarhus Denmark
| | - Karen Østergaard
- Department of Neurology Aarhus University Hospital Aarhus Denmark
- Sano Private Hospital Denmark
| | - Yury Shtyrov
- Center of Functionally Integrative Neuroscience (CFIN) Department of Clinical Medicine Aarhus University Aarhus Denmark
- Centre for Cognition and Decision Making Institute for Cognitive Neuroscience HSE University Moscow Russian Federation
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12
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Cardona JF, Grisales-Cardenas JS, Trujillo-Llano C, Diazgranados JA, Urquina HF, Cardona S, Torres A, Torres LA, Gonzalez LM, Jaramillo T, Cediel J, Oñate-Cadena N, Mateus-Ferro G, Marmolejo-Ramos F. Semantic Memory and Lexical Availability in Parkinson's Disease: A Statistical Learning Study. Front Aging Neurosci 2021; 13:697065. [PMID: 34393760 PMCID: PMC8361833 DOI: 10.3389/fnagi.2021.697065] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 07/07/2021] [Indexed: 11/15/2022] Open
Abstract
Parkinson’s disease (PD) is a neurodegenerative disorder that causes a progressive impairment in motor and cognitive functions. Although semantic fluency deficits have been described in PD, more specific semantic memory (SM) and lexical availability (LA) domains have not been previously addressed. Here, we aimed to characterize the cognitive performance of PD patients in a set of SM and LA measures and determine the smallest set of neuropsychological (lexical, semantic, or executive) variables that most accurately classify groups. Thirty early-stage non-demented PD patients (age 35–75, 10 females) and thirty healthy controls (age 36–76, 12 females) were assessed via general cognitive, SM [three subtests of the CaGi battery including living (i.e., elephant) and non-living things (i.e., fork)], and LA (eliciting words from 10 semantic categories related to everyday life) measures. Results showed that PD patients performed lower than controls in two SM global scores (picture naming and naming in response to an oral description). This impairment was particularly pronounced in the non-living things subscale. Also, the number of words in the LA measure was inferior in PD patients than controls, in both larger and smaller semantic fields, showing a more inadequate recall strategy. Notably, the classification algorithms indicated that the SM task had high classification accuracy. In particular, the denomination of non-living things had a classification accuracy of ∼80%. These results suggest that frontostriatal deterioration in PD leads to search strategy deficits in SF and the potential disruption in semantic categorization. These findings are consistent with the embodied view of cognition.
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Affiliation(s)
- Juan F Cardona
- Facultad de Psicología, Universidad del Valle, Santiago de Cali, Colombia.,Centro de Investigación en Neurociencia Clínica y Comportamental (CINCCO), Universidad del Valle, Santiago de Cali, Colombia
| | - Johan S Grisales-Cardenas
- Facultad de Psicología, Universidad del Valle, Santiago de Cali, Colombia.,Centro de Investigación en Neurociencia Clínica y Comportamental (CINCCO), Universidad del Valle, Santiago de Cali, Colombia
| | - Catalina Trujillo-Llano
- Facultad de Psicología, Universidad del Valle, Santiago de Cali, Colombia.,Centro de Investigación en Neurociencia Clínica y Comportamental (CINCCO), Universidad del Valle, Santiago de Cali, Colombia
| | - Jesús A Diazgranados
- Centro Médico de Atención Neurológica "Neurólogos de Occidente", Santiago de Cali, Colombia
| | - Hugo F Urquina
- Centro de Investigación en Neurociencia Clínica y Comportamental (CINCCO), Universidad del Valle, Santiago de Cali, Colombia
| | - Sebastián Cardona
- Centro de Investigación en Neurociencia Clínica y Comportamental (CINCCO), Universidad del Valle, Santiago de Cali, Colombia
| | - Alejandra Torres
- Facultad de Psicología, Universidad del Valle, Santiago de Cali, Colombia.,Centro de Investigación en Neurociencia Clínica y Comportamental (CINCCO), Universidad del Valle, Santiago de Cali, Colombia
| | - Liliana A Torres
- Facultad de Psicología, Universidad del Valle, Santiago de Cali, Colombia
| | - Lina M Gonzalez
- Facultad de Psicología, Universidad del Valle, Santiago de Cali, Colombia.,Centro de Investigación en Neurociencia Clínica y Comportamental (CINCCO), Universidad del Valle, Santiago de Cali, Colombia
| | - Tania Jaramillo
- Facultad de Psicología, Universidad del Valle, Santiago de Cali, Colombia.,Centro de Investigación en Neurociencia Clínica y Comportamental (CINCCO), Universidad del Valle, Santiago de Cali, Colombia
| | - Judith Cediel
- Facultad de Psicología, Universidad del Valle, Santiago de Cali, Colombia.,Centro de Investigación en Neurociencia Clínica y Comportamental (CINCCO), Universidad del Valle, Santiago de Cali, Colombia
| | | | - Geral Mateus-Ferro
- Departamento de Lenguas, Universidad Pedagógica Nacional, Bogotá, Colombia
| | - Fernando Marmolejo-Ramos
- Centre for Change and Complexity in Learning, University of South Australia, Adelaide, SA, Australia
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13
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Ibanez A, Parra MA, Butler C. The Latin America and the Caribbean Consortium on Dementia (LAC-CD): From Networking to Research to Implementation Science. J Alzheimers Dis 2021; 82:S379-S394. [PMID: 33492297 PMCID: PMC8293660 DOI: 10.3233/jad-201384] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In comparison with other regions, dementia prevalence in Latin America is growing rapidly, along with the consequent clinical, social, and economic burden upon patients and their families. The combination of fragile health care systems, large social inequalities, and isolated clinical and research initiatives makes the coordination of efforts imperative. The Latin America and the Caribbean Consortium on Dementia (LAC-CD) is a regional organization overseeing and promoting clinical and research activities on dementia. Here, we first provide an overview of the consortium, highlighting the antecedents and current mission. Then, we present the consortium’s regional research, including the multi-partner consortium to expand dementia research in Latin America (ReDLat), which aims to identify the unique genetic, social, and economic factors that drive Alzheimer’s and frontotemporal dementia presentation in LAC relative to the US. We describe an extension of ReDLat which aims to develop affordable markers of disease subtype and severity using high density EEG. We introduce current initiatives promoting regional diagnosis, visibility, and capacity, including the forthcoming launch of the Latin American Brain Health Institute (BrainLat). We discuss LAC-CD-led advances in brain health diplomacy, including an assessment of responses to the impact of COVID-19 on people with dementia and examining the knowledge of public policies among experts in the region. Finally, we present the current knowledge-to-action framework, which paves the way for a future regional action plan. Coordinated actions are crucial to forging strong regional bonds, supporting the implementation of regional dementia plans, improving health systems, and expanding research collaborations across Latin America.
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Affiliation(s)
- Agustin Ibanez
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA, USA.,Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Universidad Autónoma del Caribe, Barranquilla, Barranquilla, Colombia.,Latin American Institute for Brain Health (BrainLat), Center for Social and Cognitive Neuroscience (CSCN), Universidad Adolfo Ibanez, Santiago de Chile, Chile
| | - Mario A Parra
- Universidad Autónoma del Caribe, Barranquilla, Barranquilla, Colombia.,School of Psychological Sciences and Health, University of Strathclyde, Glasgow, UK
| | - Christopher Butler
- Department of Brain Sciences, Imperial College London, UK.,Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK.,Instituto de Neurología Cognitiva, Buenos Aires, Argentina.,Departamento de Neurología, Pontificia Universidad de Chile, Santiago, Chile
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14
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Cervetto S, Díaz-Rivera M, Petroni A, Birba A, Caro MM, Sedeño L, Ibáñez A, García AM. The Neural Blending of Words and Movement: Event-Related Potential Signatures of Semantic and Action Processes during Motor-Language Coupling. J Cogn Neurosci 2021; 33:1413-1427. [PMID: 34496378 PMCID: PMC11115968 DOI: 10.1162/jocn_a_01732] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Behavioral embodied research shows that words evoking limb-specific meanings can affect responses performed with the corresponding body part. However, no study has explored this phenomenon's neural dynamics under implicit processing conditions, let alone by disentangling its conceptual and motoric stages. Here, we examined whether the blending of hand actions and manual action verbs, relative to nonmanual action verbs and nonaction verbs, modulates electrophysiological markers of semantic integration (N400) and motor-related cortical potentials during a lexical decision task. Relative to both other categories, manual action verbs involved reduced posterior N400 amplitude and greater modulations of frontal motor-related cortical potentials. Such effects overlapped in a window of ∼380-440 msec after word presentation and ∼180 msec before response execution, revealing the possible time span in which both semantic and action-related stages reach maximal convergence. These results allow refining current models of motor-language coupling while affording new insights on embodied dynamics at large.
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Affiliation(s)
- Sabrina Cervetto
- Departamento de Educación Física y Salud, Instituto Superior de Educación Física, Universidad de la República, Uruguay
| | - Mariano Díaz-Rivera
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, Buenos Aires, Argentina
- Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT), Buenos Aires, Argentina
| | - Agustín Petroni
- Instituto de Ingeniería Biomédica, Facultad de Ingeniería, Universidad de Buenos Aires, Argentina
- Laboratorio de Inteligencia Artificial Aplicada, Departamento de Computación, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, ICC-CONICET, Argentina
| | - Agustina Birba
- Centro de Neurociencias Cognitivas, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Miguel Martorell Caro
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Lucas Sedeño
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Agustín Ibáñez
- Centro de Neurociencias Cognitivas, 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, United States, and Trinity College Dublin, Ireland
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Chile
| | - Adolfo M García
- Centro de Neurociencias Cognitivas, 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, United States, and Trinity College Dublin, Ireland
- Faculty of Education, National University of Cuyo (UNCuyo), Mendoza, Argentina
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
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15
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Hyder R, Jensen M, Højlund A, Kimppa L, Bailey CJ, Schaldemose JL, Kinnerup MB, Østergaard K, Shtyrov Y. Functional connectivity of spoken language processing in early-stage Parkinson's disease: An MEG study. NEUROIMAGE-CLINICAL 2021; 32:102718. [PMID: 34455187 PMCID: PMC8403765 DOI: 10.1016/j.nicl.2021.102718] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 04/01/2021] [Accepted: 06/02/2021] [Indexed: 11/24/2022]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder, well-known for its motor symptoms; however, it also adversely affects cognitive functions, including language, a highly important human ability. PD pathology is associated, even in the early stage of the disease, with alterations in the functional connectivity within cortico-subcortical circuitry of the basal ganglia as well as within cortical networks. Here, we investigated functional cortical connectivity related to spoken language processing in early-stage PD patients. We employed a patient-friendly passive attention-free paradigm to probe neurophysiological correlates of language processing in PD patients without confounds related to active attention and overt motor responses. MEG data were recorded from a group of newly diagnosed PD patients and age-matched healthy controls who were passively presented with spoken word stimuli (action and abstract verbs, as well as grammatically correct and incorrect inflectional forms) while focussing on watching a silent movie. For each of the examined linguistic aspects, a logistic regression classifier was used to classify participants as either PD patients or healthy controls based on functional connectivity within the temporo-fronto-parietal cortical language networks. Classification was successful for action verbs (accuracy = 0.781, p-value = 0.003) and, with lower accuracy, for abstract verbs (accuracy = 0.688, p-value = 0.041) and incorrectly inflected forms (accuracy = 0.648, p-value = 0.021), but not for correctly inflected forms (accuracy = 0.523, p-value = 0.384). Our findings point to quantifiable differences in functional connectivity within the cortical systems underpinning language processing in newly diagnosed PD patients compared to healthy controls, which arise early, in the absence of clinical evidence of deficits in cognitive or general language functions. The techniques presented here may aid future work on establishing neurolinguistic markers to objectively and noninvasively identify functional changes in the brain's language networks even before clinical symptoms emerge.
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Affiliation(s)
- Rasha Hyder
- Center of Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Institute of Clinical Neuroscience and Medical Psychology, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany.
| | - Mads Jensen
- Center of Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Research Unit for Robophilosophy and Integrative Social Robotics, Aarhus University, Denmark
| | - Andreas Højlund
- Center of Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Lilli Kimppa
- Center of Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Cognitive Brain Research Unit, Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Finland
| | - Christopher J Bailey
- Center of Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Jeppe L Schaldemose
- Department of Nuclear Medicine and PET Centre, Aarhus University Hospital, Aarhus, Denmark
| | - Martin B Kinnerup
- Department of Nuclear Medicine and PET Centre, Aarhus University Hospital, Aarhus, Denmark
| | - Karen Østergaard
- Sano Private Hospital, Denmark; Department of Neurology, Aarhus University Hospital (AUH), Denmark
| | - Yury Shtyrov
- Center of Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Centre for Cognition and Decision Making, Institute for Cognitive Neuroscience, HSE University, Moscow, Russian Federation.
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16
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Togato G, Andras F, Miralles E, Macizo P. Motor processing modulates word comprehension. Br J Psychol 2021; 112:1028-1052. [PMID: 33914904 DOI: 10.1111/bjop.12507] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 04/05/2021] [Indexed: 11/29/2022]
Abstract
We evaluated whether movement modulates the semantic processing of words. To this end, we used homograph words with two meanings, one associated with hand movements (e.g., 'abanico', 'fan' in Spanish) or foot movements ('bota', 'boot' in Spanish), and the other not associated with movement ('abanico', 'range' in Spanish; 'bota', 'wineskin' in Spanish). After the homograph, three words were presented, and participants were asked to choose the word related to one of the two homograph meanings. The words could be either related to the motor meaning of the homograph ('fan-heat'), to the non-motor meaning of the homograph ('range-possibility') or unrelated ('fan-phone'). The task was performed without movement (simple condition) or by performing hand (Experiment 1) and foot (Experiment 2) movements. Compared with the simple condition, the performance of movement oriented the preference towards the motor meaning of the homograph. This pattern of results confirms that movement modulates word comprehension.
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Affiliation(s)
- Giulia Togato
- RGRLL Department, California State University Long Beach, California, USA
| | - Filip Andras
- Mind, Brain and Behavior Research Center (CIMCYC), Granada, Spain.,University of Granada, Spain
| | - Elvira Miralles
- Mind, Brain and Behavior Research Center (CIMCYC), Granada, Spain
| | - Pedro Macizo
- Mind, Brain and Behavior Research Center (CIMCYC), Granada, Spain.,University of Granada, Spain
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17
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Ibanez A, Yokoyama JS, Possin KL, Matallana D, Lopera F, Nitrini R, Takada LT, Custodio N, Sosa Ortiz AL, Avila-Funes JA, Behrens MI, Slachevsky A, Myers RM, Cochran JN, Brusco LI, Bruno MA, Brucki SMD, Pina-Escudero SD, Okada de Oliveira M, Donnelly Kehoe P, Garcia AM, Cardona JF, Santamaria-Garcia H, Moguilner S, Duran-Aniotz C, Tagliazucchi E, Maito M, Longoria Ibarrola EM, Pintado-Caipa M, Godoy ME, Bakman V, Javandel S, Kosik KS, Valcour V, Miller BL. The Multi-Partner Consortium to Expand Dementia Research in Latin America (ReDLat): Driving Multicentric Research and Implementation Science. Front Neurol 2021; 12:631722. [PMID: 33776890 PMCID: PMC7992978 DOI: 10.3389/fneur.2021.631722] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 02/15/2021] [Indexed: 12/17/2022] Open
Abstract
Dementia is becoming increasingly prevalent in Latin America, contrasting with stable or declining rates in North America and Europe. This scenario places unprecedented clinical, social, and economic burden upon patients, families, and health systems. The challenges prove particularly pressing for conditions with highly specific diagnostic and management demands, such as frontotemporal dementia. Here we introduce a research and networking initiative designed to tackle these ensuing hurdles, the Multi-partner consortium to expand dementia research in Latin America (ReDLat). First, we present ReDLat's regional research framework, aimed at identifying the unique genetic, social, and economic factors driving the presentation of frontotemporal dementia and Alzheimer's disease in Latin America relative to the US. We describe ongoing ReDLat studies in various fields and ongoing research extensions. Then, we introduce actions coordinated by ReDLat and the Latin America and Caribbean Consortium on Dementia (LAC-CD) to develop culturally appropriate diagnostic tools, regional visibility and capacity building, diplomatic coordination in local priority areas, and a knowledge-to-action framework toward a regional action plan. Together, these research and networking initiatives will help to establish strong cross-national bonds, support the implementation of regional dementia plans, enhance health systems' infrastructure, and increase translational research collaborations across the continent.
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Affiliation(s)
- Agustin Ibanez
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- School of Psychology, Center for Social and Cognitive Neuroscience, Latin American Institute for Brain Health (BrainLat), Universidad Adolfo Ibanez, Adolfo Ibanez University, Santiago, Chile
| | - Jennifer S. Yokoyama
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
- Department of Neurology, Memory and Aging Center, University of California, San Francisco, San Francisco, CA, United States
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, United States
| | - Katherine L. Possin
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
- Department of Neurology, Memory and Aging Center, University of California, San Francisco, San Francisco, CA, United States
| | - Diana Matallana
- Psychiatry Department, School of Medicine, Aging Institute, Pontificia Universidad Javeriana, Bogotá, Colombia
- Memory and Cognition Clinic, Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia
- Mental Health Unit, Hospital Universitario Santa Fe de Bogotá, Bogotá, Colombia
| | - Francisco Lopera
- Grupo de Neurociencias de Antioquia, Universidad de Antioquia, Medellín, Colombia
| | - Ricardo Nitrini
- Cognitive and Behavioral Neurology Unit, Hospital das Clinicas, University of São Paulo Medical School, São Paulo, Brazil
| | - Leonel T. Takada
- Cognitive and Behavioral Neurology Unit, Hospital das Clinicas, University of São Paulo Medical School, São Paulo, Brazil
| | - Nilton Custodio
- Unit Cognitive Impairment and Dementia Prevention, Cognitive Neurology Center, Peruvian Institute of Neurosciences, Lima, Perú
| | - Ana Luisa Sosa Ortiz
- Instituto Nacional de Neurologia y Neurocirugia MVS, Universidad Nacional Autonoma de Mexico, Mexico, Mexico
| | - José Alberto Avila-Funes
- Department of Geriatrics, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico, Mexico
- Univ. Bordeaux, Inserm, Bordeaux Population Health Research Center, Bordeaux, France
| | - Maria Isabel Behrens
- Centro de Investigación Clínica Avanzada, Hospital Clínico, Facultad de Medicina Universidad de Chile, Santiago, Chile
- Departamento de Neurología y Neurocirugía, Hospital Clínico Universidad de Chile, Santiago, Chile
- Departamento de Neurociencia, Facultad de Medicina Universidad de Chile, Santiago, Chile
- Clínica Alemana Santiago, Universidad del Desarrollo, Santiago, Chile
| | - Andrea Slachevsky
- Clínica Alemana Santiago, Universidad del Desarrollo, Santiago, Chile
- Geroscience Center for Brain Health and Metabolism (GERO), Santiago, Chile
- Neuropsychology and Clinical Neuroscience Laboratory, Physiopathology Department, Institute of Biomedical Sciences, Neuroscience and East Neuroscience, Santiago, Chile
- Faculty of Medicine, University of Chile, Santiago, Chile
- Memory and Neuropsychiatric Clinic (CMYN) Neurology Department, Faculty of Medicine, Hospital del Salvador, University of Chile, Santiago, Chile
| | - Richard M. Myers
- Hudson Alpha Institute for Biotechnology, Huntsville, AL, United States
| | | | - Luis Ignacio Brusco
- Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
- ALZAR – Alzheimer, Buenos Aires, Argentina
| | - Martin A. Bruno
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Facultad Ciencias Médicas, Instituto Ciencias Biomédicas, Universidad Católica de Cuyo, San Juan, Argentina
| | - Sonia M. D. Brucki
- Cognitive and Behavioral Neurology Unit, Hospital das Clinicas, University of São Paulo Medical School, São Paulo, Brazil
- Hospital Santa Marcelina, São Paulo, São Paulo, Brazil
| | - Stefanie Danielle Pina-Escudero
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
- Department of Neurology, Memory and Aging Center, University of California, San Francisco, San Francisco, CA, United States
| | - Maira Okada de Oliveira
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
- Cognitive and Behavioral Neurology Unit, Hospital das Clinicas, University of São Paulo Medical School, São Paulo, Brazil
- Hospital Santa Marcelina, São Paulo, São Paulo, Brazil
| | - Patricio Donnelly Kehoe
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Multimedia Signal Processing Group - Neuroimage Division, French-Argentine International Center for Information and Systems Sciences, Rosario, Argentina
| | - Adolfo M. Garcia
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
- 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
| | | | - Hernando Santamaria-Garcia
- Memory and Cognition Clinic, Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia
- Ph.D. Program in Neuroscience, Department of Psychiatry, Physiology, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Sebastian Moguilner
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
| | - Claudia Duran-Aniotz
- School of Psychology, Center for Social and Cognitive Neuroscience, Latin American Institute for Brain Health (BrainLat), Universidad Adolfo Ibanez, Adolfo Ibanez University, Santiago, Chile
| | - Enzo Tagliazucchi
- Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Marcelo Maito
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
| | | | - Maritza Pintado-Caipa
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
- Unit Cognitive Impairment and Dementia Prevention, Cognitive Neurology Center, Peruvian Institute of Neurosciences, Lima, Perú
| | - Maria Eugenia Godoy
- Cognitive Neuroscience Center, Universidad de San Andrés, Buenos Aires, Argentina
| | - Vera Bakman
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
| | - Shireen Javandel
- Department of Neurology, Memory and Aging Center, University of California, San Francisco, San Francisco, CA, United States
| | - Kenneth S. Kosik
- Department of Molecular, Cellular, and Developmental Biology, Neuroscience Research Institute, University of California, Santa Barbara, Santa Barbara, CA, United States
| | - Victor Valcour
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
- Department of Neurology, Memory and Aging Center, University of California, San Francisco, San Francisco, CA, United States
| | - Bruce L. Miller
- The Global Brain Health Institute (GBHI), University of California, San Francisco, San Francisco, CA, United States
- The Global Brain Health Institute (GBHI), Trinity College Dublin, Dublin, Ireland
- Department of Neurology, Memory and Aging Center, University of California, San Francisco, San Francisco, CA, United States
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18
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Suarez-García DMA, Grisales-Cárdenas JS, Zimerman M, Cardona JF. Transcranial Direct Current Stimulation to Enhance Cognitive Impairment in Parkinson's Disease: A Systematic Review and Meta-Analysis. Front Neurol 2020; 11:597955. [PMID: 33329353 PMCID: PMC7734248 DOI: 10.3389/fneur.2020.597955] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 11/09/2020] [Indexed: 01/29/2023] Open
Abstract
Cognitive deficits are increasingly being recognized as a common trait in Parkinson's disease (PD). Recently, transcranial direct current stimulation (tDCS) has been shown to exert positive effects as an adjunctive therapy on motor and non-motor symptoms in PD. This systematic review and meta-analysis aims to provide an overview of reported evidence on the efficacy of tDCS interventions in the treatment of cognitive impairments in PD. A systematic literature review was conducted to examine articles that were published in the past 10 years and that study the effects of tDCS on cognitive deficits in PD patients. The PubMed, Scopus and Scielo databases were searched. Eight tDCS studies involving 168 participants were included for the analysis. Our meta-analysis results showed that anodal tDCS (atDCS) had various levels or no evidence of effectiveness. In the pre-post stimulation analysis, a strong effect was reported for executive functions (pre-post: g = 1.51, Z = 2.41, p = 0.016); non-significant effects were reported for visuospatial skills (pre-post: g = 0.27, Z = 0.69, p = 0.490); attention (pre-post: g = 0.02, Z = 0.08, p = 0.934), memory (pre-post: g = 0.01, Z = 0.03, p = 0.972) and language (pre-post: g = 0.07, Z = 0.21, p = 0.832). However, in the pre-follow-up stimulation analysis, the duration of the effect was not clear. This study highlights the potential effectiveness of atDCS to improve cognitive performance in PD patients but failed to establish a cause-effect relationship between tDCS intervention and cognitive improvement in PD. Future directions and recommendations for methodological improvements are outlined.
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Affiliation(s)
| | | | - Máximo Zimerman
- Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Juan F Cardona
- Instituto de Psicología, Universidad del Valle, Santiago de Cali, Colombia
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19
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Wang Q, Meng L, Pang J, Zhu X, Ming D. Characterization of EEG Data Revealing Relationships With Cognitive and Motor Symptoms in Parkinson's Disease: A Systematic Review. Front Aging Neurosci 2020; 12:587396. [PMID: 33240076 PMCID: PMC7683572 DOI: 10.3389/fnagi.2020.587396] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/06/2020] [Indexed: 01/08/2023] Open
Abstract
Recent research regards the electroencephalogram (EEG) as a promising method to study real-time brain dynamic changes in patients with Parkinson's disease (PD), but a deeper understanding is needed to discern coincident pathophysiology, patterns of changes, and diagnosis. This review summarized recent research on EEG characterization related to the cognitive and motor functions in PD patients and discussed its potential to be used as diagnostic biomarkers. Thirty papers out of 220 published from 2010 to 2020 were reviewed. Movement abnormalities and cognitive decline are related to changes in EEG spectrum and event-related potentials (ERPs) during typical oddball paradigms and/or combined motor tasks. Abnormalities in β and δ frequency bands are, respectively the main manifestation of dyskinesia and cognitive decline in PD. The review showed that PD patients have noteworthy changes in specific EEG characterizations, however, the underlying mechanism of the interrelation between gait and cognitive is still unclear. Understanding the specific nature of the relationship is essential for development of novel invasive clinical diagnostic and therapeutic methods.
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Affiliation(s)
- Qing Wang
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, China
| | - Lin Meng
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, China
| | - Jun Pang
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, China
| | - Xiaodong Zhu
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin, China
| | - Dong Ming
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, China
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20
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Vitale F, Padrón I, Avenanti A, de Vega M. Enhancing Motor Brain Activity Improves Memory for Action Language: A tDCS Study. Cereb Cortex 2020; 31:1569-1581. [PMID: 33136142 DOI: 10.1093/cercor/bhaa309] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 08/17/2020] [Accepted: 08/28/2020] [Indexed: 11/14/2022] Open
Abstract
The embodied cognition approach to linguistic meaning posits that action language understanding is grounded in sensory-motor systems. However, evidence that the human motor cortex is necessary for action language memory is meager. To address this issue, in two groups of healthy individuals, we perturbed the left primary motor cortex (M1) by means of either anodal or cathodal transcranial direct current stimulation (tDCS), before participants had to memorize lists of manual action and attentional sentences. In each group, participants received sham and active tDCS in two separate sessions. Following anodal tDCS (a-tDCS), participants improved the recall of action sentences compared with sham tDCS. No similar effects were detected following cathodal tDCS (c-tDCS). Both a-tDCS and c-tDCS induced variable changes in motor excitability, as measured by motor-evoked potentials induced by transcranial magnetic stimulation. Remarkably, across groups, action-specific memory improvements were positively predicted by changes in motor excitability. We provide evidence that excitatory modulation of the motor cortex selectively improves performance in a task requiring comprehension and memory of action sentences. These findings indicate that M1 is necessary for accurate processing of linguistic meanings and thus provide causal evidence that high-order cognitive functions are grounded in the human motor system.
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Affiliation(s)
- Francesca Vitale
- Instituto Universitario de Neurociencia, Universidad de La Laguna, Santa Cruz de Tenerife 38200, Spain
| | - Iván Padrón
- Instituto Universitario de Neurociencia, Universidad de La Laguna, Santa Cruz de Tenerife 38200, Spain
| | - Alessio Avenanti
- Dipartimento di Psicologia, Centro studi e ricerche in Neuroscienze Cognitive, Alma Mater Studiorum-Università di Bologna, Cesena 47521, Italy
- Centro de Investigación en Neuropsicología y Neurociencias Cognitivas, Universidad Católica del Maule, Talca 3460000, Chile
| | - Manuel de Vega
- Instituto Universitario de Neurociencia, Universidad de La Laguna, Santa Cruz de Tenerife 38200, Spain
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21
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García AM, Hesse E, Birba A, Adolfi F, Mikulan E, Caro MM, Petroni A, Bekinschtein TA, del Carmen García M, Silva W, Ciraolo C, Vaucheret E, Sedeño L, Ibáñez A. Time to Face Language: Embodied Mechanisms Underpin the Inception of Face-Related Meanings in the Human Brain. Cereb Cortex 2020; 30:6051-6068. [PMID: 32577713 PMCID: PMC7673477 DOI: 10.1093/cercor/bhaa178] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 04/21/2020] [Accepted: 06/02/2020] [Indexed: 12/18/2022] Open
Abstract
In construing meaning, the brain recruits multimodal (conceptual) systems and embodied (modality-specific) mechanisms. Yet, no consensus exists on how crucial the latter are for the inception of semantic distinctions. To address this issue, we combined electroencephalographic (EEG) and intracranial EEG (iEEG) to examine when nouns denoting facial body parts (FBPs) and nonFBPs are discriminated in face-processing and multimodal networks. First, FBP words increased N170 amplitude (a hallmark of early facial processing). Second, they triggered fast (~100 ms) activity boosts within the face-processing network, alongside later (~275 ms) effects in multimodal circuits. Third, iEEG recordings from face-processing hubs allowed decoding ~80% of items before 200 ms, while classification based on multimodal-network activity only surpassed ~70% after 250 ms. Finally, EEG and iEEG connectivity between both networks proved greater in early (0-200 ms) than later (200-400 ms) windows. Collectively, our findings indicate that, at least for some lexico-semantic categories, meaning is construed through fast reenactments of modality-specific experience.
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Affiliation(s)
- Adolfo M García
- Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1425FQB Buenos Aires, Argentina
- Faculty of Education, National University of Cuyo (UNCuyo), MM5502GKA Mendoza, Argentina
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, 9170020 Santiago, Chile
- Global Brain Health Institute, University of California, CA 94158 San Francisco, USA
| | - Eugenia Hesse
- Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1425FQB Buenos Aires, Argentina
| | - Agustina Birba
- Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1425FQB Buenos Aires, Argentina
| | - Federico Adolfi
- National Scientific and Technical Research Council (CONICET), C1425FQB Buenos Aires, Argentina
| | - Ezequiel Mikulan
- Department of Biomedical and Clinical Sciences “L. Sacco”, University of Milan, 20122 Milan, Italy
| | - Miguel Martorell Caro
- National Scientific and Technical Research Council (CONICET), C1425FQB Buenos Aires, Argentina
| | - Agustín Petroni
- Instituto de Ingeniería Biomédica, Facultad de Ingeniería, Universidad de Buenos Aires, C1063ACV Buenos Aires, Argentina
- Laboratorio de Inteligencia Artificial Aplicada, Departamento de Computación, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, ICC-CONICET, C1063ACV Buenos Aires, Argentina
| | | | - María del Carmen García
- Programa de Cirugía de Epilepsia, Hospital Italiano de Buenos Aires, C1181ACH, Buenos Aires, Argentina
| | - Walter Silva
- Programa de Cirugía de Epilepsia, Hospital Italiano de Buenos Aires, C1181ACH, Buenos Aires, Argentina
| | - Carlos Ciraolo
- Programa de Cirugía de Epilepsia, Hospital Italiano de Buenos Aires, C1181ACH, Buenos Aires, Argentina
| | - Esteban Vaucheret
- Programa de Cirugía de Epilepsia, Hospital Italiano de Buenos Aires, C1181ACH, Buenos Aires, Argentina
| | - Lucas Sedeño
- National Scientific and Technical Research Council (CONICET), C1425FQB Buenos Aires, Argentina
| | - Agustín Ibáñez
- Universidad de San Andrés, B1644BID Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), C1425FQB Buenos Aires, Argentina
- Global Brain Health Institute, University of California, CA 94158 San Francisco, USA
- Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibáñez, 8320000, Santiago, Chile
- Universidad Autónoma del Caribe, 080003, Barranquilla, Colombia
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22
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Legaz A, Yoris A, Sedeño L, Abrevaya S, Martorell M, Alifano F, García AM, Ibañez A. Heart-brain interactions during social and cognitive stress in hypertensive disease: A multidimensional approach. Eur J Neurosci 2020; 55:2836-2850. [PMID: 32965070 PMCID: PMC8231407 DOI: 10.1111/ejn.14979] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 09/09/2020] [Accepted: 09/10/2020] [Indexed: 12/14/2022]
Abstract
Hypertensive disease (HTD), a prominent risk factor for cardiovascular and cerebrovascular diseases, is characterized by elevated stress-proneness. Since stress levels are underpinned by both cardiac and neural factors, multidimensional insights are required to robustly understand their disruption in HTD. Yet, despite their crucial relevance, heart rate variability (HRV) and multimodal neurocognitive markers of stress in HTD remain controversial and unexplored respectively. To bridge this gap, we studied cardiodynamic as well as electrophysiological and neuroanatomical measures of stress in HTD patients and healthy controls. Both groups performed the Trier Social Stress Test (TSST), a validated stress-inducing task comprising a baseline and a mental stress period. During both stages, we assessed a sensitive HRV parameter (the low frequency/high frequency [LF/HF ratio]) and an online neurophysiological measure (the heartbeat-evoked potential [HEP]). Also, we obtained neuroanatomical data via voxel-based morphometry (VBM) for correlation with online markers. Relative to controls, HTD patients exhibited increased LF/HF ratio and greater HEP modulations during baseline, reduced changes between baseline and stress periods, and lack of significant stress-related HRV modulations associated with the grey matter volume of putative frontrostriatal regions. Briefly, HTD patients presented signs of stress-related autonomic imbalance, reflected in a potential basal stress overload and a lack of responsiveness to acute psychosocial stress, accompanied by neurophysiological and neuroanatomical alterations. These multimodal insights underscore the relevance of neurocognitive data for developing innovations in the characterization, prognosis and treatment of HTD and other conditions with autonomic imbalance. More generally, these findings may offer new insights into heart-brain interactions.
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Affiliation(s)
- Agustina Legaz
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Cognitive Neuroscience Center (CNC), Universidad de San Andrés, 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 (INCYT), INECO Foundation, Favaloro University, CONICET, Buenos Aires, Argentina
| | - Lucas Sedeño
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Sofía Abrevaya
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, CONICET, Buenos Aires, Argentina
| | - Miguel Martorell
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Institute of Cognitive and Translational Neuroscience (INCYT), 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 (INCYT), INECO Foundation, Favaloro University, CONICET, Buenos Aires, Argentina
| | - Adolfo M García
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina.,Faculty of Education, National University of Cuyo, Mendoza, Argentina.,Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA, USA
| | - Agustín Ibañez
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina.,Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, CA, USA.,Universidad Autónoma del Caribe, Barranquilla, Colombia.,Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibáñez, Santiago, Chile
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23
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Azimi T, Ghoreishi ZS, Nilipour R, Farazi M, Ahmadi A, Krishnan G, Aliniaye Asli P. Lexical-semantic processing of action verbs and non-action nouns in Persian speakers: Behavioral evidence from the semantic similarity judgment task. APPLIED NEUROPSYCHOLOGY-ADULT 2020; 29:718-730. [PMID: 32841099 DOI: 10.1080/23279095.2020.1806844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The processing of sensory-motor aspect of word's meaning, and its difference between nouns and verbs, is the main topic of neurolinguistic research. The present study aimed to examine the lexical-semantic processing of Persian non-action nouns and action verbs. The possible effects of semantic correlates on noun/verb dissociation were evaluated without morphological confound. A total of 62 neurologically intact Persian speakers responded to a computerized semantic similarity judgment task, including 34 triplets of non-action nouns and 34 triplets of action verbs by pressing a key. Response Time (RT) and percentage error were considered as indirect measures of lexical-semantic encoding efficiency. We also assessed the latency of hand movement execution with no linguistic demand. The results showed that action verbs elicited more errors and had slower RT compared with object nouns. Mixed ANOVA revealed that the observed noun/verb distinction was not affected by demographic factors. These results provided evidence that the lexical-semantic encoding of Persian action verbs, compared to non-action nouns, requires more support from cognitive sources during the processing of the motor-related semantic feature. The possible accounts for the different processing of action verbs in terms of semantic view are suggested.
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Affiliation(s)
- Tabassom Azimi
- Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Zahra-Sadat Ghoreishi
- Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Reza Nilipour
- Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Morteza Farazi
- Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Akram Ahmadi
- Department of Speech Therapy, Babol University of Medical Sciences, Babol, Iran
| | - Gopee Krishnan
- Department of Speech and Hearing, School of Allied Health Sciences, Manipal University, Manipal, India
| | - Pedram Aliniaye Asli
- Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
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24
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Salamone PC, Sedeño L, Legaz A, Bekinschtein T, Martorell M, Adolfi F, Fraile-Vazquez M, Rodríguez Arriagada N, Favaloro L, Peradejordi M, Absi DO, García AM, Favaloro R, Ibáñez A. Dynamic neurocognitive changes in interoception after heart transplant. Brain Commun 2020; 2:fcaa095. [PMID: 32954340 PMCID: PMC7472900 DOI: 10.1093/braincomms/fcaa095] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 06/12/2020] [Accepted: 06/18/2020] [Indexed: 12/20/2022] Open
Abstract
Heart–brain integration dynamics are critical for interoception (i.e. the sensing of body signals). In this unprecedented longitudinal study, we assessed neurocognitive markers of interoception in patients who underwent orthotopic heart transplants and matched healthy controls. Patients were assessed longitudinally before surgery (T1), a few months later (T2) and a year after (T3). We assessed behavioural (heartbeat detection) and electrophysiological (heartbeat evoked potential) markers of interoception. Heartbeat detection task revealed that pre-surgery (T1) interoception was similar between patients and controls. However, patients were outperformed by controls after heart transplant (T2), but no such differences were observed in the follow-up analysis (T3). Neurophysiologically, although heartbeat evoked potential analyses revealed no differences between groups before the surgery (T1), reduced amplitudes of this event-related potential were found for the patients in the two post-transplant stages (T2, T3). All these significant effects persisted after covariation with different cardiological measures. In sum, this study brings new insights into the adaptive properties of brain–heart pathways.
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Affiliation(s)
- Paula Celeste Salamone
- National Scientific and Technical Research Council (CONICET), Buenos Aires C1126AAB, Argentina
| | - Lucas Sedeño
- National Scientific and Technical Research Council (CONICET), Buenos Aires C1126AAB, Argentina
| | - Agustina Legaz
- National Scientific and Technical Research Council (CONICET), Buenos Aires C1126AAB, Argentina.,Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires B1644BID, Argentina
| | - Tristán Bekinschtein
- Consciousness and Cognition Lab, Department of Psychology, University of Cambridge, Cambridge CB2 3EB, UK
| | - Miguel Martorell
- National Scientific and Technical Research Council (CONICET), Buenos Aires C1126AAB, Argentina
| | - Federico Adolfi
- Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires B1644BID, Argentina.,Max-Planck Institute, Frankfurt 60438, Germany
| | - Matías Fraile-Vazquez
- Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires B1644BID, Argentina
| | | | - Liliana Favaloro
- University Hospital Fundación Favaloro, Buenos Aires C1093AAS, Argentina
| | | | - Daniel O Absi
- University Hospital Fundación Favaloro, Buenos Aires C1093AAS, Argentina
| | - Adolfo M García
- National Scientific and Technical Research Council (CONICET), Buenos Aires C1126AAB, Argentina.,Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires B1644BID, Argentina.,Faculty of Education, National University of Cuyo (UNCuyo), Centro Universitario, Mendoza M5502JMA, Argentina.,Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile.,Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, 1701 CA 94115, USA
| | - Roberto Favaloro
- University Hospital Fundación Favaloro, Buenos Aires C1093AAS, Argentina
| | - Agustín Ibáñez
- National Scientific and Technical Research Council (CONICET), Buenos Aires C1126AAB, Argentina.,Cognitive Neuroscience Center (CNC), Universidad de San Andres, Buenos Aires B1644BID, Argentina.,Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, 1701 CA 94115, USA.,Department of Psychology, Universidad Autónoma del Caribe, Barranquilla, Colombia.,Center for Social and Cognitive Neuroscience (CSCN), Universidad Adolfo Ibáñez, Santiago, Chile
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25
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Birba A, Beltrán D, Martorell Caro M, Trevisan P, Kogan B, Sedeño L, Ibáñez A, García AM. Motor-system dynamics during naturalistic reading of action narratives in first and second language. Neuroimage 2020; 216:116820. [PMID: 32278096 PMCID: PMC7412856 DOI: 10.1016/j.neuroimage.2020.116820] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 02/06/2020] [Accepted: 03/27/2020] [Indexed: 12/12/2022] Open
Abstract
Do embodied semantic systems play different roles depending on when and how well a given language was learned? Emergent evidence suggests that this is the case for isolated, decontextualized stimuli, but no study has addressed the issue considering naturalistic narratives. Seeking to bridge this gap, we assessed motor-system dynamics in 26 Spanish-English bilinguals as they engaged in free, unconstrained reading of naturalistic action texts (ATs, highlighting the characters’ movements) and neutral texts (NTs, featuring low motility) in their first and second language (L1, L2). To explore functional connectivity spread over each reading session, we recorded ongoing high-density electroencephalographic signals and subjected them to functional connectivity analysis via a spatial clustering approach. Results showed that, in L1, AT (relative to NT) reading involved increased connectivity between left and right central electrodes consistently implicated in action-related processes, as well as distinct source-level modulations in motor regions. In L2, despite null group-level effects, enhanced motor-related connectivity during AT reading correlated positively with L2 proficiency and negatively with age of L2 learning. Taken together, these findings suggest that action simulations during unconstrained narrative reading involve neural couplings between motor-sensitive mechanisms, in proportion to how consolidated a language is. More generally, such evidence addresses recent calls to test the ecological validity of motor-resonance effects while offering new insights on their relation with experiential variables.
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Affiliation(s)
- Agustina Birba
- Universidad de San Andrés, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina
| | - David Beltrán
- Instituto Universitario de Neurociencia (IUNE), Universidad de La Laguna, Tenerife, 3820, Spain
| | - Miguel Martorell Caro
- Universidad de San Andrés, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina
| | | | - Boris Kogan
- Institute of Basic and Applied Psychology and Technology (IPSIBAT), National University of Mar del Plata, Buenos Aires, Argentina; National Agency of Scientific and Technological Promotion (ANPCyT), Buenos Aires, Argentina
| | - Lucas Sedeño
- National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina
| | - Agustín Ibáñez
- Universidad de San Andrés, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina; Centre of Excellence in Cognition and Its Disorders, Australian Research Council (ARC), Sydney, NSW, 2109, Australia; Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibáñez, Santiago de Chile, 7550344, Chile; Universidad Autónoma del Caribe, Barranquilla, 08002, Colombia
| | - Adolfo M García
- Universidad de San Andrés, Buenos Aires, Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, C1425FQB, Argentina; 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.
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26
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Too late to be grounded? Motor resonance for action words acquired after middle childhood. Brain Cogn 2019; 138:105509. [PMID: 31855702 DOI: 10.1016/j.bandc.2019.105509] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 11/23/2019] [Accepted: 12/04/2019] [Indexed: 11/22/2022]
Abstract
Though well established for languages acquired in infancy, the role of embodied mechanisms remains poorly understood for languages learned in middle childhood and adulthood. To bridge this gap, we examined 34 experiments that assessed sensorimotor resonance during processing of action-related words in real and artificial languages acquired since age 7 and into adulthood. Evidence from late bilinguals indicates that foreign-language action words modulate neural activity in motor circuits and predictably facilitate or delay physical movements (even in an effector-specific fashion), with outcomes that prove partly sensitive to language proficiency. Also, data from newly learned vocabularies suggest that embodied effects emerge after brief periods of adult language exposure, remain stable through time, and hinge on the performance of bodily movements (and, seemingly, on action observation, too). In sum, our work shows that infant language exposure is not indispensable for the recruitment of embodied mechanisms during language processing, a finding that carries non-trivial theoretical, pedagogical, and clinical implications for neurolinguistics, in general, and bilingualism research, in particular.
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27
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Broche-Pérez Y, Bartuste-Marrer D, Batule-Domínguez M, Toledano-Toledano F. Clinical utility of the INECO Frontal Screening for detecting Mild Cognitive Impairment in Parkinson's disease. Dement Neuropsychol 2019; 13:394-402. [PMID: 31844492 PMCID: PMC6907705 DOI: 10.1590/1980-57642018dn13-040005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 07/24/2019] [Indexed: 01/10/2023] Open
Abstract
Cognitive deficits in Parkinson's disease typically affect executive functions. Recently, the concept of Mild Cognitive Impairment (MCI) has been related to PD (PD-MCI). PD-MCI is considered a transition phase to Parkinson's disease Dementia. Therefore, it is important to identify PD-MCI in a reliable way. OBJECTIVE To evaluate the sensitivity and specificity of the INECO Frontal Screening (IFS) in detecting cognitive deficits in PD-MCI. Additionally, we compare the IFS and the Addenbrook Cognitive Examination Revised (ACE-R) between three groups; PD-MCI, MCI, and controls. METHODS The IFS and ACE-R were administered to 36 patients with PD-MCI, 31 with MCI (amnestic-multidomain subtype) and 92 healthy controls. Sensitivity and specificity were determined using ROC analysis. The groups were compared using one-way analysis of variance. RESULTS The IFS had adequate accuracy in differentiating patients with PD-MCI from healthy controls (AUC=0.77, sensitivity=0.82, specificity=0.77), and good accuracy in differentiating PD-MCI from MCI patients (AUC=0.80, sensitivity=0.82, specificity=0.61). However the IFS had low accuracy in differentiating MCI patients from healthy controls (AUC=0.47, sensitivity=0.52, specificity=0.41). On the ACE-R, the PD-MCI group had low performance in Fluency and Language. Only patients with PD-MCI had difficulties on the IFS, specifically in inhibitory control and visual working memory. This dysexecutive profile explains the sensitivity and specificity values found in the IFS. CONCLUSION The present study results suggest that the IFS is a suitable screening tool for exploring cognitive dysfunction in PD-MCI, especially in those patients with a dysexecutive profile.
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Affiliation(s)
- Yunier Broche-Pérez
- MSc., PhD, Psychology Department, Universidad Central “Marta Abreu”
de Las Villas, Santa Clara
- Cuba and Cuban Initiative in Cognitive Health “CognitiON”
| | | | - Miriam Batule-Domínguez
- B.A, Arnaldo Milián Castro provincial Hospital, Santa Clara,
Cuba
- MD., MSc, Arnaldo Milián Castro provincial Hospital, Santa Clara,
Cuba
| | - Filiberto Toledano-Toledano
- Evidence-Based Medicine Research Unit, Hospital Infantil de México
Federico Gómez National Institute of Health. Mexico City, Mexico
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28
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Johari K, Walenski M, Reifegerste J, Ashrafi F, Behroozmand R, Daemi M, Ullman MT. A dissociation between syntactic and lexical processing in Parkinson's disease. JOURNAL OF NEUROLINGUISTICS 2019; 51:221-235. [PMID: 31777416 PMCID: PMC6880793 DOI: 10.1016/j.jneuroling.2019.03.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Parkinson's disease (PD), which involves the degeneration of dopaminergic neurons in the basal ganglia, has long been associated with motor deficits. Increasing evidence suggests that language can also be impaired, including aspects of syntactic and lexical processing. However, the exact pattern of these impairments remains somewhat unclear, for several reasons. Few studies have examined and compared syntactic and lexical processing within subjects, so their relative deficits remain to be elucidated. Studies have focused on earlier stages of PD, so syntactic and lexical processing in later stages are less well understood. Research has largely probed English and a handful of other European languages, and it is unclear whether findings generalize more broadly. Finally, few studies have examined links between syntactic/lexical impairments and their neurocognitive substrates, such as measures of basal ganglia degeneration or dopaminergic processes. We addressed these gaps by investigating multiple aspects of Farsi syntactic and lexical processing in 40 Farsi native-speaking moderate-to-severe non-demented PD patients, and 40 healthy controls. Analyses revealed equivalent impairments of syntactic comprehension and syntactic judgment, across different syntactic structures. Lexical processing was impaired only for motor function-related objects (e.g., naming 'hammer', but not 'mountain'), in line with findings of PD deficits at naming action verbs as compared to objects, without the verb/noun confound. In direct comparisons between lexical and syntactic tasks, patients were better at naming words like 'mountain' (but not words like 'hammer') than at syntactic comprehension and syntactic judgment. Performance at syntactic comprehension correlated with the last levodopa equivalent dose. No other correlations were found between syntactic/lexical processing measures and either levodopa equivalent dose or hypokinesia, which reflects degeneration of basal ganglia motor-related circuits. All critical significant main effects, interactions, and correlations yielded large effect sizes. The findings elucidate the nature of syntactic and lexical processing impairments in PD.
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Affiliation(s)
- Karim Johari
- Speech Neuroscience Lab, Department of Communication Sciences and Disorders, University of South Carolina, USA
- Department of Speech and Language Pathology, School of Rehabilitation, Tabriz University of Medical Sciences, Tabriz, Iran
- Brain and Language Laboratory, Department of Neuroscience, Georgetown University Washington DC, USA
| | - Matthew Walenski
- Aphasia and Neurolinguistics Research Laboratory, School of Communication, Northwestern University, Evanston, Illinois, USA
| | - Jana Reifegerste
- Brain and Language Laboratory, Department of Neuroscience, Georgetown University Washington DC, USA
- Department of Psychology, Westfälische Wilhelms-Universität Münster, Münster, Germany, University of Muenster, Germany
| | - Farzad Ashrafi
- Department of Neurology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Roozbeh Behroozmand
- Speech Neuroscience Lab, Department of Communication Sciences and Disorders, University of South Carolina, USA
| | - Mostafa Daemi
- Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Michael T. Ullman
- Brain and Language Laboratory, Department of Neuroscience, Georgetown University Washington DC, USA
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29
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Gaubert S, Raimondo F, Houot M, Corsi MC, Naccache L, Diego Sitt J, Hermann B, Oudiette D, Gagliardi G, Habert MO, Dubois B, De Vico Fallani F, Bakardjian H, Epelbaum S. EEG evidence of compensatory mechanisms in preclinical Alzheimer’s disease. Brain 2019; 142:2096-2112. [DOI: 10.1093/brain/awz150] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 04/03/2019] [Accepted: 04/07/2019] [Indexed: 11/13/2022] Open
Abstract
Abstract
Early biomarkers are needed to identify individuals at high risk of preclinical Alzheimer’s disease and to better understand the pathophysiological processes of disease progression. Preclinical Alzheimer’s disease EEG changes would be non-invasive and cheap screening tools and could also help to predict future progression to clinical Alzheimer’s disease. However, the impact of amyloid-β deposition and neurodegeneration on EEG biomarkers needs to be elucidated. We included participants from the INSIGHT-preAD cohort, which is an ongoing single-centre multimodal observational study that was designed to identify risk factors and markers of progression to clinical Alzheimer’s disease in 318 cognitively normal individuals aged 70–85 years with a subjective memory complaint. We divided the subjects into four groups, according to their amyloid status (based on 18F-florbetapir PET) and neurodegeneration status (evidenced by 18F-fluorodeoxyglucose PET brain metabolism in Alzheimer’s disease signature regions). The first group was amyloid-positive and neurodegeneration-positive, which corresponds to stage 2 of preclinical Alzheimer’s disease. The second group was amyloid-positive and neurodegeneration-negative, which corresponds to stage 1 of preclinical Alzheimer’s disease. The third group was amyloid-negative and neurodegeneration-positive, which corresponds to ‘suspected non-Alzheimer’s pathophysiology’. The last group was the control group, defined by amyloid-negative and neurodegeneration-negative subjects. We analysed 314 baseline 256-channel high-density eyes closed 1-min resting state EEG recordings. EEG biomarkers included spectral measures, algorithmic complexity and functional connectivity assessed with a novel information-theoretic measure, weighted symbolic mutual information. The most prominent effects of neurodegeneration on EEG metrics were localized in frontocentral regions with an increase in high frequency oscillations (higher beta and gamma power) and a decrease in low frequency oscillations (lower delta power), higher spectral entropy, higher complexity and increased functional connectivity measured by weighted symbolic mutual information in theta band. Neurodegeneration was associated with a widespread increase of median spectral frequency. We found a non-linear relationship between amyloid burden and EEG metrics in neurodegeneration-positive subjects, either following a U-shape curve for delta power or an inverted U-shape curve for the other metrics, meaning that EEG patterns are modulated differently depending on the degree of amyloid burden. This finding suggests initial compensatory mechanisms that are overwhelmed for the highest amyloid load. Together, these results indicate that EEG metrics are useful biomarkers for the preclinical stage of Alzheimer’s disease.
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Affiliation(s)
- Sinead Gaubert
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
- Inria, Aramis project-team, Paris, France
- AP-HP, Hôpital Pitié-Salpêtrière, Institute of Memory and Alzheimer’s Disease (IM2A), Centre of excellence of neurodegenerative disease (CoEN), National Reference Center for Rare or Early Dementias, Department of Neurology, Paris, France
| | - Federico Raimondo
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
- Laboratorio de Inteligencia Artificial Aplicada, Departamento de computación, FCEyN, Universidad de Buenos Aires, Argentina
- GIGA Consciousness, University of Liège, Liège, Belgium
- Coma Science Group, University Hospital of Liège, Liège, Belgium
| | - Marion Houot
- AP-HP, Hôpital Pitié-Salpêtrière, Institute of Memory and Alzheimer’s Disease (IM2A), Centre of excellence of neurodegenerative disease (CoEN), National Reference Center for Rare or Early Dementias, Department of Neurology, Paris, France
- Center for Clinical Investigation (CIC) Neurosciences, Institut du Cerveau et de la Moelle épinière (ICM), Paris, France
- Sorbonne Université, AP-HP, GRC n° 21, Alzheimer Precision Medicine (APM), Hôpital de la Pitié-Salpêtrière, Boulevard de l’Hôpital, Paris, France
| | - Marie-Constance Corsi
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
- Inria, Aramis project-team, Paris, France
| | - Lionel Naccache
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
- AP-HP, Groupe hospitalier Pitié-Salpêtrière, Department of Neurophysiology, Paris, France
| | - Jacobo Diego Sitt
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
| | - Bertrand Hermann
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
| | - Delphine Oudiette
- AP-HP, Hôpital Pitié-Salpêtrière, Service des Pathologies du Sommeil (Département ‘R3S’), Paris, France
- Sorbonne Université, IHU@ICM, INSERM, CNRS UMR 7225, équipe MOV’IT, Paris, France
| | - Geoffroy Gagliardi
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
- AP-HP, Hôpital Pitié-Salpêtrière, Institute of Memory and Alzheimer’s Disease (IM2A), Centre of excellence of neurodegenerative disease (CoEN), National Reference Center for Rare or Early Dementias, Department of Neurology, Paris, France
| | - Marie-Odile Habert
- Laboratoire d’Imagerie Biomédicale, Sorbonne Universités, UPMC Univ Paris 06, Inserm U1146, CNRS UMR 7371, Paris, France
- AP-HP, Hôpital Pitié-Salpêtrière, Department of Nuclear Medicine, Paris, France
- Centre d’Acquisition et de Traitement des Images, CATI neuroimaging platform, France (www.cati-neuroimaging.com)
| | - Bruno Dubois
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
- AP-HP, Hôpital Pitié-Salpêtrière, Institute of Memory and Alzheimer’s Disease (IM2A), Centre of excellence of neurodegenerative disease (CoEN), National Reference Center for Rare or Early Dementias, Department of Neurology, Paris, France
| | - Fabrizio De Vico Fallani
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
- Inria, Aramis project-team, Paris, France
| | - Hovagim Bakardjian
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
- AP-HP, Hôpital Pitié-Salpêtrière, Institute of Memory and Alzheimer’s Disease (IM2A), Centre of excellence of neurodegenerative disease (CoEN), National Reference Center for Rare or Early Dementias, Department of Neurology, Paris, France
| | - Stéphane Epelbaum
- Institut du Cerveau et de la Moelle épinière, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, Paris, France
- Inria, Aramis project-team, Paris, France
- AP-HP, Hôpital Pitié-Salpêtrière, Institute of Memory and Alzheimer’s Disease (IM2A), Centre of excellence of neurodegenerative disease (CoEN), National Reference Center for Rare or Early Dementias, Department of Neurology, Paris, France
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30
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How meaning unfolds in neural time: Embodied reactivations can precede multimodal semantic effects during language processing. Neuroimage 2019; 197:439-449. [PMID: 31059796 DOI: 10.1016/j.neuroimage.2019.05.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 03/08/2019] [Accepted: 05/02/2019] [Indexed: 02/08/2023] Open
Abstract
Research on how the brain construes meaning during language use has prompted two conflicting accounts. According to the 'grounded view', word understanding involves quick reactivations of sensorimotor (embodied) experiences evoked by the stimuli, with simultaneous or later engagement of multimodal (conceptual) systems integrating information from various sensory streams. Contrariwise, for the 'symbolic view', this capacity depends crucially on multimodal operations, with embodied systems playing epiphenomenal roles after comprehension. To test these contradictory hypotheses, the present magnetoencephalography study assessed implicit semantic access to grammatically constrained action and non-action verbs (n = 100 per category) while measuring spatiotemporally precise signals from the primary motor cortex (M1, a core region subserving bodily movements) and the anterior temporal lobe (ATL, a putative multimodal semantic hub). Convergent evidence from sensor- and source-level analyses revealed that increased modulations for action verbs occurred earlier in M1 (∼130-190 ms) than in specific ATL hubs (∼250-410 ms). Moreover, machine-learning decoding showed that trial-by-trial classification peaks emerged faster in M1 (∼100-175 ms) than in the ATL (∼345-500 ms), with over 71% accuracy in both cases. Considering their latencies, these results challenge the 'symbolic view' and its implication that sensorimotor mechanisms play only secondary roles in semantic processing. Instead, our findings support the 'grounded view', showing that early semantic effects are critically driven by embodied reactivations and that these cannot be reduced to post-comprehension epiphenomena, even when words are individually classified. Briefly, our study offers non-trivial insights to constrain fine-grained models of language and understand how meaning unfolds in neural time.
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31
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Mostile G, Giuliano L, Dibilio V, Luca A, Cicero CE, Sofia V, Nicoletti A, Zappia M. Complexity of electrocortical activity as potential biomarker in untreated Parkinson's disease. J Neural Transm (Vienna) 2018; 126:167-172. [PMID: 30506462 DOI: 10.1007/s00702-018-1961-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 11/27/2018] [Indexed: 11/30/2022]
Abstract
In Parkinson's disease (PD), the identification of instrumental biomarkers is crucial to evaluate disease susceptibility and motor stage. We evaluated self-similarity of electrocortical activity as expression of brain signal complexity in untreated PD, to investigate its possible role as a neurophysiological biomarker. We analyzed the data of 34 untreated PD subjects and 18 group-matched controls who underwent standardized electroencephalography. A Welch's periodogram was applied to site-specific electroencephalographic signal epochs. To investigate self-similarity of electrocortical activity, the power law exponent β was computed for each selected coordinate. In both PD subjects and controls, β values at each coordinate increased with an antero-posterior gradient, changing from values around one in fronto-temporal sites to values around two among parieto-occipital sites. PD subjects presented overall lower β values among different sites compared to controls, with significant differences for the left fronto-temporal sites. Our findings suggest an increased level of fronto-temporal neuronal organization in untreated PD. We hypothesize a possible role of β as a neurophysiological biomarker for early untreated PD.
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Affiliation(s)
- Giovanni Mostile
- Dipartimento di Scienze Mediche, Chirurgiche e Tecnologie Avanzate "G.F. Ingrassia", Università degli Studi di Catania, Via Santa Sofia 78, 95123, Catania, Italy
| | - Loretta Giuliano
- Dipartimento di Scienze Mediche, Chirurgiche e Tecnologie Avanzate "G.F. Ingrassia", Università degli Studi di Catania, Via Santa Sofia 78, 95123, Catania, Italy
| | - Valeria Dibilio
- Dipartimento di Scienze Mediche, Chirurgiche e Tecnologie Avanzate "G.F. Ingrassia", Università degli Studi di Catania, Via Santa Sofia 78, 95123, Catania, Italy
| | - Antonina Luca
- Dipartimento di Scienze Mediche, Chirurgiche e Tecnologie Avanzate "G.F. Ingrassia", Università degli Studi di Catania, Via Santa Sofia 78, 95123, Catania, Italy
| | - Calogero Edoardo Cicero
- Dipartimento di Scienze Mediche, Chirurgiche e Tecnologie Avanzate "G.F. Ingrassia", Università degli Studi di Catania, Via Santa Sofia 78, 95123, Catania, Italy
| | - Vito Sofia
- Dipartimento di Scienze Mediche, Chirurgiche e Tecnologie Avanzate "G.F. Ingrassia", Università degli Studi di Catania, Via Santa Sofia 78, 95123, Catania, Italy
| | - Alessandra Nicoletti
- Dipartimento di Scienze Mediche, Chirurgiche e Tecnologie Avanzate "G.F. Ingrassia", Università degli Studi di Catania, Via Santa Sofia 78, 95123, Catania, Italy
| | - Mario Zappia
- Dipartimento di Scienze Mediche, Chirurgiche e Tecnologie Avanzate "G.F. Ingrassia", Università degli Studi di Catania, Via Santa Sofia 78, 95123, Catania, Italy.
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Ibáñez A. Brain oscillations, inhibition and social inappropriateness in frontotemporal degeneration. Brain 2018; 141:e73. [DOI: 10.1093/brain/awy233] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Agustín Ibáñez
- Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
- Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibanez, Santiago, Chile
- Universidad Autonoma del Caribe, Barranquilla, Colombia
- Centre of Excellence in Cognition and its Disorders, Australian Research Council (ACR), Sydney, Australia
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Visuomotor Correlates of Conflict Expectation in the Context of Motor Decisions. J Neurosci 2018; 38:9486-9504. [PMID: 30201772 DOI: 10.1523/jneurosci.0623-18.2018] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 07/28/2018] [Accepted: 09/01/2018] [Indexed: 01/18/2023] Open
Abstract
Many behaviors require choosing between conflicting options competing against each other in visuomotor areas. Such choices can benefit from top-down control processes engaging frontal areas in advance of conflict when it is anticipated. Yet, very little is known about how this proactive control system shapes the visuomotor competition. Here, we used electroencephalography in human subjects (male and female) to identify the visual and motor correlates of conflict expectation in a version of the Eriksen Flanker task that required left or right responses according to the direction of a central target arrow surrounded by congruent or incongruent (conflicting) flankers. Visual conflict was either highly expected (it occurred in 80% of trials; mostly incongruent blocks) or very unlikely (20% of trials; mostly congruent blocks). We evaluated selective attention in the visual cortex by recording target- and flanker-related steady-state visual-evoked potentials (SSVEPs) and probed action selection by measuring response-locked potentials (RLPs) in the motor cortex. Conflict expectation enhanced accuracy in incongruent trials, but this improvement occurred at the cost of speed in congruent trials. Intriguingly, this behavioral adjustment occurred while visuomotor activity was less finely tuned: target-related SSVEPs were smaller while flanker-related SSVEPs were higher in mostly incongruent blocks than in mostly congruent blocks, and incongruent trials were associated with larger RLPs in the ipsilateral (nonselected) motor cortex. Hence, our data suggest that conflict expectation recruits control processes that augment the tolerance for inappropriate visuomotor activations (rather than processes that downregulate their amplitude), allowing for overflow activity to occur without having it turn into the selection of an incorrect response.SIGNIFICANCE STATEMENT Motor choices made in front of discordant visual information are more accurate when conflict can be anticipated, probably due to the engagement of top-down control from frontal areas. How this control system modulates activity within visual and motor areas is unknown. Here, we show that, when control processes are recruited in anticipation of conflict, as evidenced by higher midfrontal theta activity, visuomotor activity is less finely tuned: visual processing of the goal-relevant location was reduced and the motor cortex displayed more inappropriate activations, compared with when conflict was unlikely. We argue that conflict expectation is associated with an expansion of the distance-to-selection threshold, improving accuracy while the need for online control of visuomotor activity is reduced.
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Salamone PC, Esteves S, Sinay VJ, García-Cordero I, Abrevaya S, Couto B, Adolfi F, Martorell M, Petroni A, Yoris A, Torquati K, Alifano F, Legaz A, Cassará FP, Bruno D, Kemp AH, Herrera E, García AM, Ibáñez A, Sedeño L. Altered neural signatures of interoception in multiple sclerosis. Hum Brain Mapp 2018; 39:4743-4754. [PMID: 30076770 DOI: 10.1002/hbm.24319] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 06/12/2018] [Accepted: 07/05/2018] [Indexed: 12/17/2022] Open
Abstract
Multiple sclerosis (MS) patients present several alterations related to sensing of bodily signals. However, no specific neurocognitive impairment has yet been proposed as a core deficit underlying such symptoms. We aimed to determine whether MS patients present changes in interoception-that is, the monitoring of autonomic bodily information-a process that might be related to various bodily dysfunctions. We performed two studies in 34 relapsing-remitting, early-stage MS patients and 46 controls matched for gender, age, and education. In Study 1, we evaluated the heartbeat-evoked potential (HEP), a cortical signature of interoception, via a 128-channel EEG system during a heartbeat detection task including an exteroceptive and an interoceptive condition. Then, we obtained whole-brain MRI recordings. In Study 2, participants underwent fMRI recordings during two resting-state conditions: mind wandering and interoception. In Study 1, controls exhibited greater HEP modulation during the interoceptive condition than the exteroceptive one, but no systematic differences between conditions emerged in MS patients. Patients presented atrophy in the left insula, the posterior part of the right insula, and the right anterior cingulate cortex, with abnormal associations between neurophysiological and neuroanatomical patterns. In Study 2, controls showed higher functional connectivity and degree for the interoceptive state compared with mind wandering; however, this pattern was absent in patients, who nonetheless presented greater connectivity and degree than controls during mind wandering. MS patients were characterized by atypical multimodal brain signatures of interoception. This finding opens a new agenda to examine the role of inner-signal monitoring in the body symptomatology of MS.
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Affiliation(s)
- Paula C Salamone
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Sol Esteves
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Vladimiro J Sinay
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Indira García-Cordero
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Sofía Abrevaya
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Blas Couto
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Federico Adolfi
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Miguel Martorell
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Agustín Petroni
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Institute of Biomedical Engineering, Buenos Aires University, Argentina.,Applied Artificial Intelligence Laboratory, Computer Science Department, Buenos Aires University. ICC-CONICET, Argentina
| | - Adrián Yoris
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Kathya Torquati
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Florencia Alifano
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Agustina Legaz
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Fátima P Cassará
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Diana Bruno
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Andrew H Kemp
- School of Psychology and Discipline of Psychiatry, University of Sydney, Sydney, New South Wales, Australia
| | - Eduar Herrera
- Department of Psychological Studies, ICESI University, Cali, Colombia
| | - Adolfo M García
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Faculty of Education, National University of Cuyo (UNCuyo), Centro Universitario, Mendoza, Argentina
| | - Agustín Ibáñez
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Neuroscience Research Australia, Sydney, Australia and School of Medical Sciences, The University of New South Wales, Sydney, New South Wales, Australia.,Australian Research Council (ACR) Centre of Excellence in Cognition and its Disorders, Macquarie University, Sydney, New South Wales, Australia.,Universidad Autónoma del Caribe, Barranquilla, Colombia.,Department of Psychology, Universidad Adolfo Ibáñez, Santiago, Chile
| | - Lucas Sedeño
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
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Weighted Symbolic Dependence Metric (wSDM) for fMRI resting-state connectivity: A multicentric validation for frontotemporal dementia. Sci Rep 2018; 8:11181. [PMID: 30046142 PMCID: PMC6060104 DOI: 10.1038/s41598-018-29538-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 07/13/2018] [Indexed: 11/27/2022] Open
Abstract
The search for biomarkers of neurodegenerative diseases via fMRI functional connectivity (FC) research has yielded inconsistent results. Yet, most FC studies are blind to non-linear brain dynamics. To circumvent this limitation, we developed a “weighted Symbolic Dependence Metric” (wSDM) measure. Using symbolic transforms, we factor in local and global temporal features of the BOLD signal to weigh a robust copula-based dependence measure by symbolic similarity, capturing both linear and non-linear associations. We compared this measure with a linear connectivity metric (Pearson’s R) in its capacity to identify patients with behavioral variant frontotemporal dementia (bvFTD) and controls based on resting-state data. We recruited participants from two international centers with different MRI recordings to assess the consistency of our measure across heterogeneous conditions. First, a seed-analysis comparison of the salience network (a specific target of bvFTD) and the default-mode network (as a complementary control) between patients and controls showed that wSDM yields better identification of resting-state networks. Moreover, machine learning analysis revealed that wSDM yielded higher classification accuracy. These results were consistent across centers, highlighting their robustness despite heterogeneous conditions. Our findings underscore the potential of wSDM to assess fMRI-derived FC data, and to identify sensitive biomarkers in bvFTD.
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Cervetto S, Abrevaya S, Martorell Caro M, Kozono G, Muñoz E, Ferrari J, Sedeño L, Ibáñez A, García AM. Action Semantics at the Bottom of the Brain: Insights From Dysplastic Cerebellar Gangliocytoma. Front Psychol 2018; 9:1194. [PMID: 30050490 PMCID: PMC6052139 DOI: 10.3389/fpsyg.2018.01194] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 06/20/2018] [Indexed: 12/14/2022] Open
Abstract
Recent embodied cognition research shows that access to action verbs in shallow-processing tasks becomes selectively compromised upon atrophy of the cerebellum, a critical motor region. Here we assessed whether cerebellar damage also disturbs explicit semantic processing of action pictures and its integration with ongoing motor responses. We evaluated a cognitively preserved 33-year-old man with severe dysplastic cerebellar gangliocytoma (Lhermitte-Duclos disease), encompassing most of the right cerebellum and the posterior part of the left cerebellum. The patient and eight healthy controls completed two semantic association tasks (involving pictures of objects and actions, respectively) that required motor responses. Accuracy results via Crawford’s modified t-tests revealed that the patient was selectively impaired in action association. Moreover, reaction-time analysis through Crawford’s Revised Standardized Difference Test showed that, while processing of action concepts involved slower manual responses in controls, no such effect was observed in the patient, suggesting that motor-semantic integration dynamics may be compromised following cerebellar damage. Notably, a Bayesian Test for a Deficit allowing for Covariates revealed that these patterns remained after covarying for executive performance, indicating that they were not secondary to extra-linguistic impairments. Taken together, our results extend incipient findings on the embodied functions of the cerebellum, offering unprecedented evidence of its crucial role in processing non-verbal action meanings and integrating them with concomitant movements. These findings illuminate the relatively unexplored semantic functions of this region while calling for extensions of motor cognition models.
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Affiliation(s)
- Sabrina Cervetto
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, Buenos Aires, Argentina.,Departamento de Educación Física y Salud, Instituto Superior de Educación Física, Universidad de la República, Montevideo, Uruguay
| | - Sofía Abrevaya
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council, Buenos Aires, Argentina
| | - Miguel Martorell Caro
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Giselle Kozono
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Edinson Muñoz
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
| | - Jesica Ferrari
- Neuropsychiatry Department, Institute of Cognitive Neurology, Buenos Aires, Argentina
| | - Lucas Sedeño
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council, Buenos Aires, Argentina
| | - Agustín Ibáñez
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council, Buenos Aires, Argentina.,Universidad Autónoma del Caribe, Barranquilla, Colombia.,Center for Social and Cognitive Neuroscience, School of Psychology, Universidad Adolfo Ibáñez, Santiago de Chile, Chile.,Centre of Excellence in Cognition and its Disorders, Australian Research Council (ARC), Sydney, NSW, Australia
| | - Adolfo M García
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council, Buenos Aires, Argentina.,Faculty of Education, National University of Cuyo, Mendoza, Argentina
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Calvo N, Ibáñez A, Muñoz E, García AM. A core avenue for transcultural research on dementia: on the cross-linguistic generalization of language-related effects in Alzheimer's disease and Parkinson's disease. Int J Geriatr Psychiatry 2018; 33:814-823. [PMID: 28370288 DOI: 10.1002/gps.4712] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 03/02/2017] [Indexed: 11/07/2022]
Abstract
OBJECTIVE Language is a key source of cross-cultural variability, which may have both subtle and major effects on neurocognition. However, this issue has been largely overlooked in two flourishing lines of research assessing the relationship between language-related neural systems and dementia. This paper assesses the limitations of the evidence on (i) the neuroprotective effects of bilingualism in Alzheimer's disease and (ii) specific language deficits as markers of Parkinson's disease. DESIGN First, we outline the rationale behind each line of research. Second, we review available evidence and discuss the potential impact of cross-linguistic factors. Third, we outline ideas to foster progress in both fields and, with it, in cross-cultural neuroscience at large. RESULTS On the one hand, studies on bilingualism suggest that sustained use of more than one language may protect against Alzheimer's disease symptoms. On the other hand, insights from the embodied cognition framework point to syntactic and action-verb deficits as early (and even preclinical) markers of Parkinson's disease. However, both fields share a key limitation that lies at the heart of cultural neuroscience: the issue of cross-linguistic generalizability. CONCLUSION Relevant evidence for both research trends comes from only a handful of (mostly Indo-European) languages, which are far from capturing the full scope of structural and typological diversity of the linguistic landscape worldwide. This raises questions on the external validity of reported findings. Greater collaboration between linguistic typology and cognitive neuroscience seems crucial as a first step to assess the impact of transcultural differences on language-related effects across neurodegenerative diseases. Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
- Noelia Calvo
- Institute of Philosophy, School of Philosophy, Humanities and Arts
- , National University of San Juan, San Juan, Argentina.,Faculty of Psychology, National University of Córdoba, Córdoba, Argentina.,Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council, Buenos Aires, Argentina
| | - Agustín Ibáñez
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council, Buenos Aires, Argentina.,Universidad Autónoma del Caribe, Barranquilla, Colombia.,Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibáñez, Santiago de Chile, Chile.,Centre of Excellence in Cognition and its Disorders, Australian Research Council (ARC), Sydney, Australia
| | - Edinson Muñoz
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
| | - Adolfo M García
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council, Buenos Aires, Argentina.,Faculty of Education, National University of Cuyo, Mendoza, Argentina
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Ibáñez A, Sedeño L, García AM, Deacon RMJ, Cogram P. Editorial: Human and Animal Models for Translational Research on Neurodegeneration: Challenges and Opportunities From South America. Front Aging Neurosci 2018; 10:95. [PMID: 29681845 PMCID: PMC5897422 DOI: 10.3389/fnagi.2018.00095] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 03/20/2018] [Indexed: 11/13/2022] Open
Affiliation(s)
- Agustín Ibáñez
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Universidad Autónoma del Caribe, Barranquilla, Colombia.,Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibáñez, Santiago, Chile.,Centre of Excellence in Cognition and its Disorders, Australian Research Council (ACR), Sydney, NSW, Australia
| | - Lucas Sedeño
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Adolfo M García
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Faculty of Education, National University of Cuyo (UNCuyo), Mendoza, Argentina
| | - Robert M J Deacon
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,Faculty of Science, Institute of Ecology and Biodiversity, University of Chile, Santiago, Chile
| | - Patricia Cogram
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,Faculty of Science, Institute of Ecology and Biodiversity, University of Chile, Santiago, Chile
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Yoris A, Abrevaya S, Esteves S, Salamone P, Lori N, Martorell M, Legaz A, Alifano F, Petroni A, Sánchez R, Sedeño L, García AM, Ibáñez A. Multilevel convergence of interoceptive impairments in hypertension: New evidence of disrupted body-brain interactions. Hum Brain Mapp 2018; 39:1563-1581. [PMID: 29271093 PMCID: PMC6866355 DOI: 10.1002/hbm.23933] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Accepted: 12/12/2017] [Indexed: 12/18/2022] Open
Abstract
Interoception, the sensing of visceral body signals, involves an interplay between neural and autonomic mechanisms. Clinical studies into this domain have focused on patients with neurological and psychiatric disorders, showing that damage to relevant brain mechanisms can variously alter interoceptive functions. However, the association between peripheral cardiac-system alterations and neurocognitive markers of interoception remains poorly understood. To bridge this gap, we examined multidimensional neural markers of interoception in patients with early stage of hypertensive disease (HTD) and healthy controls. Strategically, we recruited only HTD patients without cognitive impairment (as shown by neuropsychological tests), brain atrophy (as assessed with voxel-based morphometry), or white matter abnormalities (as evidenced by diffusion tensor imaging analysis). Interoceptive domains were assessed through (a) a behavioral heartbeat detection task; (b) measures of the heart-evoked potential (HEP), an electrophysiological cortical signature of attention to cardiac signals; and (c) neuroimaging recordings (MRI and fMRI) to evaluate anatomical and functional connectivity properties of key interoceptive regions (namely, the insula and the anterior cingulate cortex). Relative to controls, patients exhibited poorer interoceptive performance and reduced HEP modulations, alongside an abnormal association between interoceptive performance and both the volume and functional connectivity of the above regions. Such results suggest that peripheral cardiac-system impairments can be associated with abnormal behavioral and neurocognitive signatures of interoception. More generally, our findings indicate that interoceptive processes entail bidirectional influences between the cardiovascular and the central nervous systems.
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Affiliation(s)
- Adrián Yoris
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
- National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
| | - Sofía Abrevaya
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
- National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
| | - Sol Esteves
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
| | - Paula Salamone
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
- National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
| | - Nicolás Lori
- Laboratory of Neuroimaging and Neuroscience (LANEN)INECO Neurosciences Oroño, Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityRosarioArgentina
- Diagnóstico Médico Oroño, Grupo OroñoRosarioArgentina
- ICVS/3Bs & Centre AlgoritmiUniversity of MinhoBragaPortugal
| | - Miguel Martorell
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
| | - Agustina Legaz
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
| | - Florencia Alifano
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
| | - Agustín Petroni
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
- National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
- Instituto de Ingeniería BiomédicaFacultad de Ingeniería, Universidad de Buenos AiresArgentina
- Deptartamento de ComputaciónUniversidad de Buenos AiresArgentina
| | - Ramiro Sánchez
- Metabolic and Arterial Hypertension UnitFavaloro Foundation HospitalBuenos AiresArgentina
| | - Lucas Sedeño
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
- National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
| | - Adolfo M. García
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
- National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
- Faculty of EducationNational University of Cuyo (UNCuyo)MendozaArgentina
| | - Agustín Ibáñez
- Laboratory of Experimental Psychology and Neuroscience (LPEN)Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro UniversityBuenos AiresArgentina
- National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
- Universidad Autónoma del CaribeBarranquillaColombia
- Center for Social and Cognitive Neuroscience (CSCN), School of PsychologyUniversidad Adolfo IbañezSantiagoChile
- Centre of Excellence in Cognition and its DisordersAustralian Research Council (ACR)SydneyAustralia
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García AM, Bocanegra Y, Herrera E, Moreno L, Carmona J, Baena A, Lopera F, Pineda D, Melloni M, Legaz A, Muñoz E, Sedeño L, Baez S, Ibáñez A. Parkinson's disease compromises the appraisal of action meanings evoked by naturalistic texts. Cortex 2018; 100:111-126. [DOI: 10.1016/j.cortex.2017.07.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 05/24/2017] [Accepted: 07/04/2017] [Indexed: 12/14/2022]
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Parra MA, Baez S, Allegri R, Nitrini R, Lopera F, Slachevsky A, Custodio N, Lira D, Piguet O, Kumfor F, Huepe D, Cogram P, Bak T, Manes F, Ibanez A. Dementia in Latin America: Assessing the present and envisioning the future. Neurology 2018; 90:222-231. [PMID: 29305437 PMCID: PMC5791795 DOI: 10.1212/wnl.0000000000004897] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Accepted: 10/02/2017] [Indexed: 01/26/2023] Open
Abstract
The demographic structure of Latin American countries (LAC) is fast approaching that of developing countries, and the predicted prevalence of dementia in the former already exceeds the latter. Dementia has been declared a global challenge, yet regions around the world show differences in both the nature and magnitude of such a challenge. This article provides evidence and insights on barriers which, if overcome, would enable the harmonization of strategies to tackle the dementia challenge in LAC. First, we analyze the lack of available epidemiologic data, the need for standardizing clinical practice and improving physician training, and the existing barriers regarding resources, culture, and stigmas. We discuss how these are preventing timely care and research. Regarding specific health actions, most LAC have minimal mental health facilities and do not have specific mental health policies or budgets specific to dementia. In addition, local regulations may need to consider the regional context when developing treatment and prevention strategies. The support needed nationally and internationally to enable a smooth and timely transition of LAC to a position that integrates global strategies is highlighted. We focus on shared issues of poverty, cultural barriers, and socioeconomic vulnerability. We identify avenues for collaboration aimed to study unique populations, improve valid assessment methods, and generate opportunities for translational research, thus establishing a regional network. The issues identified here point to future specific actions aimed at tackling the dementia challenge in LAC.
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Affiliation(s)
- Mario A Parra
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Sandra Baez
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Ricardo Allegri
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Ricardo Nitrini
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Francisco Lopera
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Andrea Slachevsky
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Nilton Custodio
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - David Lira
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Olivier Piguet
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Fiona Kumfor
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - David Huepe
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Patricia Cogram
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Thomas Bak
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Facundo Manes
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile
| | - Agustin Ibanez
- From the School of Life Sciences (M.A.P.), Psychology, University Heriot-Watt; Human Cognitive Neuroscience (M.A.P.), Psychology, Edinburgh University; Alzheimer's Scotland Dementia Research Centre and Scottish Dementia Clinical Research Network (M.A.P.), Edinburgh; Centre for Cognitive Ageing and Cognitive Epidemiology (M.A.P., T.B.) and Department of Psychology, School of Philosophy, Psychology and Language Sciences (P.C., T.B.), University of Edinburgh, UK; Universidad Autónoma del Caribe (M.A.P., A.I.), Barranquilla, Colombia; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (S.B., F.M., A.I.); Institute of Translational and Cognitive Neuroscience (INCYT) (S.B., F.M., A.I.), INECO Foundation, Favaloro University, Buenos Aires, Argentina; Departamento de Psicología (S.B.) Universidad de los Andes, Bogotá, Colombia; Department of Cognitive Neurology and Neuropsychology (R.A.), Instituto de Investigaciones Neurológicas "Raúl Carrea" (FLENI) (R.A.), Buenos Aires, Argentina; Universidad de la Costa (CUC) (R.A.), Barranquilla, Colombia; Department of Neurology (R.N.), University of São Paulo Medical School, Brazil; Group of Neuroscience (F.L.), University of Antioquia, Medellín, Colombia; Geroscience Center for Brain Health and Metabolism (A.S.); Physiopathology Department, ICBM, and East Neuroscience Department, Faculty of Medicine (A.S.), and Center for Advanced Research in Education (CIAE) (A.S.), University of Chile; Cognitive Neurology and Dementia, Neurology Department (A.S.), Hospital del Salvador; Neurology Department, Clínica Alemana (A.S.), Santiago, Chile; Research Unit, Peruvian Institute of Neurosciences (N.C., D.L.) and Unit Cognitive Impairment and Dementia Prevention (N.C., D.L.), Lima, Peru; Brain and Mind Centre & School of Psychology (O.P., F.K.), Faculty of Science, University of Sydney; ARC Centre of Excellence in Cognition and its Disorders (O.P., F.K., F.M., A.I.), Sydney, Australia; Fraunhofer Chile (O.P., P.C.), Santiago; and Center for Social and Cognitive Neuroscience (CSCN), School of Psychology (D.H., A.I.), Universidad Adolfo Ibáñez, Santiago, Chile.
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Roberts A, Nguyen P, Orange JB, Jog M, Nisbet KA, McRae K. Differential impairments of upper and lower limb movements influence action verb processing in Parkinson disease. Cortex 2017; 97:49-59. [DOI: 10.1016/j.cortex.2017.09.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Revised: 09/16/2017] [Accepted: 09/26/2017] [Indexed: 01/23/2023]
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Melloni M, Billeke P, Baez S, Hesse E, de la Fuente L, Forno G, Birba A, García-Cordero I, Serrano C, Plastino A, Slachevsky A, Huepe D, Sigman M, Manes F, García AM, Sedeño L, Ibáñez A. Your perspective and my benefit: multiple lesion models of self-other integration strategies during social bargaining. Brain 2017; 139:3022-3040. [PMID: 27679483 DOI: 10.1093/brain/aww231] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 07/19/2016] [Indexed: 12/15/2022] Open
Abstract
Recursive social decision-making requires the use of flexible, context-sensitive long-term strategies for negotiation. To succeed in social bargaining, participants' own perspectives must be dynamically integrated with those of interactors to maximize self-benefits and adapt to the other's preferences, respectively. This is a prerequisite to develop a successful long-term self-other integration strategy. While such form of strategic interaction is critical to social decision-making, little is known about its neurocognitive correlates. To bridge this gap, we analysed social bargaining behaviour in relation to its structural neural correlates, ongoing brain dynamics (oscillations and related source space), and functional connectivity signatures in healthy subjects and patients offering contrastive lesion models of neurodegeneration and focal stroke: behavioural variant frontotemporal dementia, Alzheimer's disease, and frontal lesions. All groups showed preserved basic bargaining indexes. However, impaired self-other integration strategy was found in patients with behavioural variant frontotemporal dementia and frontal lesions, suggesting that social bargaining critically depends on the integrity of prefrontal regions. Also, associations between behavioural performance and data from voxel-based morphometry and voxel-based lesion-symptom mapping revealed a critical role of prefrontal regions in value integration and strategic decisions for self-other integration strategy. Furthermore, as shown by measures of brain dynamics and related sources during the task, the self-other integration strategy was predicted by brain anticipatory activity (alpha/beta oscillations with sources in frontotemporal regions) associated with expectations about others' decisions. This pattern was reduced in all clinical groups, with greater impairments in behavioural variant frontotemporal dementia and frontal lesions than Alzheimer's disease. Finally, connectivity analysis from functional magnetic resonance imaging evidenced a fronto-temporo-parietal network involved in successful self-other integration strategy, with selective compromise of long-distance connections in frontal disorders. In sum, this work provides unprecedented evidence of convergent behavioural and neurocognitive signatures of strategic social bargaining in different lesion models. Our findings offer new insights into the critical roles of prefrontal hubs and associated temporo-parietal networks for strategic social negotiation.
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Affiliation(s)
- Margherita Melloni
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina
| | - Pablo Billeke
- División de Neurociencia, Centro de Investigación en Complejidad Social (CICS), Facultad de Gobierno, Universidad del Desarrollo, Santiago, Chile
| | - Sandra Baez
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina
| | - Eugenia Hesse
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,Instituto de Ingeniería Biomédica, Facultad de Ingeniería, Universidad de Buenos Aires, Argentina
| | - Laura de la Fuente
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Gonzalo Forno
- Gerosciences Center for Brain Health and Metabolism, Santiago, Chile.,Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibañez, Diagonal Las Torres 2640, Santiago, Chile
| | - Agustina Birba
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina
| | - Indira García-Cordero
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | | | - Angelo Plastino
- National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina.,National University of La Plata, Physics Institute, (IFLP-CCT-CONICET) La Plata, 1900, Argentina.,Physics Department, Universitat de les Illes Balears, Palma de Mallorca, Spain
| | - Andrea Slachevsky
- Gerosciences Center for Brain Health and Metabolism, Santiago, Chile.,Physiopathology Department, ICBM y East Neuroscience Department, Faculty of Medicine, University of Chile, Santiago, Chile.,Cognitive Neurology and Dementia, Neurology Department, Hospital del Salvador, Santiago, Chile.,Centre for Advanced Research in Education, Santiago, Chile.,Neurology Department, Clínica Alemana, Santiago, Chile
| | - David Huepe
- Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibañez, Diagonal Las Torres 2640, Santiago, Chile
| | - Mariano Sigman
- Integrative Neuroscience Laboratory, IFIBA, CONICET and Physics Department, FCEyN, UBA, Buenos Aires, Argentina.,Universidad Torcuato di Tella, Buenos Aires, Argentina
| | - Facundo Manes
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | - Adolfo M García
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina.,Faculty of Elementary and Special Education (FEEyE), National University of Cuyo (UNCuyo), Mendoza, Argentina
| | - Lucas Sedeño
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina
| | - Agustín Ibáñez
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCyT), INECO Foundation, Favaloro University, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina.,Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibañez, Diagonal Las Torres 2640, Santiago, Chile.,Universidad Autónoma del Caribe, Barranquilla, Colombia.,Centre of Excellence in Cognition and its Disorders, Australian Research Council (ACR), Sydney, Australia
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Trevisan P, Sedeño L, Birba A, Ibáñez A, García AM. A moving story: Whole-body motor training selectively improves the appraisal of action meanings in naturalistic narratives. Sci Rep 2017; 7:12538. [PMID: 28970538 PMCID: PMC5624907 DOI: 10.1038/s41598-017-12928-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 09/20/2017] [Indexed: 11/09/2022] Open
Abstract
This study examined whether systematic whole-body stimulation and increased attention to visuospatial motion patterns can enhance the appraisal of action meanings evoked by naturalistic texts. Participants listened to action and neutral (non-action) narratives before and after videogame-based bodily training, and responded to questions on information realized by verbs (denoting abstract and action processes) and circumstances (conveying locative or temporal details, for example). Strategically, we worked with dyslexic children, whose potential comprehension deficits could give room to post-training improvements. Results showed a selective boost in understanding of action information, even when controlling for baseline performance. Also, this effect proved uninfluenced by short-term memory skills, and it was absent when training relied on non-action videogames requiring minimal bodily engagement. Of note, the movements described in the texts did not match those performed by participants, suggesting that well-established effector- and direction-specific language embodiment effects may be accompanied by more coarse-grained sensorimotor resonance, driven by activation of motor and visuospatial sensory systems. In sum, the stimulation of movement-related mechanisms seems to selectively boost the appraisal of actions evoked by naturalistic texts. By demonstrating such links between two real-life activities, our study offers an empirical tie between embodied and situated accounts of cognition.
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Affiliation(s)
- Piergiorgio Trevisan
- Department of Languages and Literatures, Communication, Education and Society, University of Udine, via Petracco 8, 33100, Udine, Italy
| | - Lucas Sedeño
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Pacheco de Melo 1860, C1126AAB, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina
| | - Agustina Birba
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Pacheco de Melo 1860, C1126AAB, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina
| | - Agustín Ibáñez
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Pacheco de Melo 1860, C1126AAB, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina.,Universidad Autónoma del Caribe, Calle 90, N° 46-112, C2754, Barranquilla, Colombia.,Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibáñez, Diagonal Las Torres, 2640, Santiago de Chile, Chile.,Centre of Excellence in Cognition and its Disorders, Australian Research Council (ARC), Sydney, Australia
| | - Adolfo M García
- Laboratory of Experimental Psychology and Neuroscience (LPEN), Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Pacheco de Melo 1860, C1126AAB, Buenos Aires, Argentina. .,National Scientific and Technical Research Council (CONICET), Av. Rivadavia 1917, C1033AAJ, Buenos Aires, Argentina. .,Faculty of Education, National University of Cuyo (UNCuyo), Sobremonte 74, C5500, Mendoza, Argentina.
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Birba A, García-Cordero I, Kozono G, Legaz A, Ibáñez A, Sedeño L, García AM. Losing ground: Frontostriatal atrophy disrupts language embodiment in Parkinson’s and Huntington’s disease. Neurosci Biobehav Rev 2017; 80:673-687. [DOI: 10.1016/j.neubiorev.2017.07.011] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 07/25/2017] [Accepted: 07/27/2017] [Indexed: 12/13/2022]
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García-Cordero I, Esteves S, Mikulan EP, Hesse E, Baglivo FH, Silva W, García MDC, Vaucheret E, Ciraolo C, García HS, Adolfi F, Pietto M, Herrera E, Legaz A, Manes F, García AM, Sigman M, Bekinschtein TA, Ibáñez A, Sedeño L. Attention, in and Out: Scalp-Level and Intracranial EEG Correlates of Interoception and Exteroception. Front Neurosci 2017; 11:411. [PMID: 28769749 PMCID: PMC5515904 DOI: 10.3389/fnins.2017.00411] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 06/30/2017] [Indexed: 11/13/2022] Open
Abstract
Interoception, the monitoring of visceral signals, is often presumed to engage attentional mechanisms specifically devoted to inner bodily sensing. In fact, most standardized interoceptive tasks require directing attention to internal signals. However, most studies in the field have failed to compare attentional modulations between internally- and externally-driven processes, thus probing blind to the specificity of the former. Here we address this issue through a multidimensional approach combining behavioral measures, analyses of event-related potentials and functional connectivity via high-density electroencephalography, and intracranial recordings. In Study 1, 50 healthy volunteers performed a heartbeat detection task as we recorded modulations of the heartbeat-evoked potential (HEP) in three conditions: exteroception, basal interoception (also termed interoceptive accuracy), and post-feedback interoception (sometimes called interoceptive learning). In Study 2, to evaluate whether key interoceptive areas (posterior insula, inferior frontal gyrus, amygdala, and somatosensory cortex) were differentially modulated by externally- and internally-driven processes, we analyzed human intracranial recordings with depth electrodes in these regions. This unique technique provides a very fine grained spatio-temporal resolution compared to other techniques, such as EEG or fMRI. We found that both interoceptive conditions in Study 1 yielded greater HEP amplitudes than the exteroceptive one. In addition, connectivity analysis showed that post-feedback interoception, relative to basal interoception, involved enhanced long-distance connections linking frontal and posterior regions. Moreover, results from Study 2 showed a differentiation between oscillations during basal interoception (broadband: 35–110 Hz) and exteroception (1–35 Hz) in the insula, the amygdala, the somatosensory cortex, and the inferior frontal gyrus. In sum, this work provides convergent evidence for the specificity and dynamics of attentional mechanisms involved in interoception.
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Affiliation(s)
- Indira García-Cordero
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,National Scientific and Technical Research CouncilBuenos Aires, Argentina
| | - Sol Esteves
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina
| | - Ezequiel P Mikulan
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,National Scientific and Technical Research CouncilBuenos Aires, Argentina
| | - Eugenia Hesse
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,National Scientific and Technical Research CouncilBuenos Aires, Argentina.,Instituto de Ingeniería Biomédica, Facultad de Ingeniería, Universidad de Buenos AiresBuenos Aires, Argentina
| | - Fabricio H Baglivo
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,Instituto de Ingeniería Biomédica, Facultad de Ingeniería, Universidad de Buenos AiresBuenos Aires, Argentina
| | - Walter Silva
- Programa de Cirugía de Epilepsia, Hospital Italiano de Buenos AiresBuenos Aires, Argentina
| | | | - Esteban Vaucheret
- Programa de Cirugía de Epilepsia, Hospital Italiano de Buenos AiresBuenos Aires, Argentina
| | - Carlos Ciraolo
- Programa de Cirugía de Epilepsia, Hospital Italiano de Buenos AiresBuenos Aires, Argentina
| | - Hernando S García
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,Pontificia Universidad JaverianaBogotá, Colombia.,Centro de Memoria y Cognición IntellectusBogotá, Colombia
| | - Federico Adolfi
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,National Scientific and Technical Research CouncilBuenos Aires, Argentina
| | - Marcos Pietto
- National Scientific and Technical Research CouncilBuenos Aires, Argentina.,Unit of Applied Neurobiology, Centro de Educación Médica e Investigaciones Clínicas Norberto Quirno, Consejo Nacional de Investigaciones Científicas y TécnicasBuenos Aires, Argentina
| | - Eduar Herrera
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,Departamento de Estudios Psicológicos, Universidad ICESICali, Colombia
| | - Agustina Legaz
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina
| | - Facundo Manes
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,National Scientific and Technical Research CouncilBuenos Aires, Argentina.,Australian Research Council, Centre of Excellence in Cognition and its Disorders, Macquarie UniversitySydney, NSW, Australia
| | - Adolfo M García
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,National Scientific and Technical Research CouncilBuenos Aires, Argentina.,Faculty of Education, National University of CuyoMendoza, Argentina
| | - Mariano Sigman
- Laboratory of Neuroscience, Universidad Torcuato Di TellaBuenos Aires, Argentina.,Departamento de Fısica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires and Instituto de Fısica de Buenos Aires, Consejo Nacional de Investigaciones Científicas y TécnicasBuenos Aires, Argentina
| | - Tristán A Bekinschtein
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,Department of Psychology, University of CambridgeCambridge, United Kingdom
| | - Agustín Ibáñez
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,National Scientific and Technical Research CouncilBuenos Aires, Argentina.,Australian Research Council, Centre of Excellence in Cognition and its Disorders, Macquarie UniversitySydney, NSW, Australia.,Center for Social and Cognitive Neuroscience, School of Psychology, Universidad Adolfo IbáñezSantiago, Chile.,Universidad Autónoma del CaribeBarranquilla, Colombia
| | - Lucas Sedeño
- Laboratory of Experimental Psychology and Neuroscience, Institute of Cognitive and Translational Neuroscience, INECO Foundation, Favaloro UniversityBuenos Aires, Argentina.,National Scientific and Technical Research CouncilBuenos Aires, Argentina
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Towards affordable biomarkers of frontotemporal dementia: A classification study via network's information sharing. Sci Rep 2017. [PMID: 28630492 PMCID: PMC5476568 DOI: 10.1038/s41598-017-04204-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Developing effective and affordable biomarkers for dementias is critical given the difficulty to achieve early diagnosis. In this sense, electroencephalographic (EEG) methods offer promising alternatives due to their low cost, portability, and growing robustness. Here, we relied on EEG signals and a novel information-sharing method to study resting-state connectivity in patients with behavioral variant frontotemporal dementia (bvFTD) and controls. To evaluate the specificity of our results, we also tested Alzheimer’s disease (AD) patients. The classification power of the ensuing connectivity patterns was evaluated through a supervised classification algorithm (support vector machine). In addition, we compared the classification power yielded by (i) functional connectivity, (ii) relevant neuropsychological tests, and (iii) a combination of both. BvFTD patients exhibited a specific pattern of hypoconnectivity in mid-range frontotemporal links, which showed no alterations in AD patients. These functional connectivity alterations in bvFTD were replicated with a low-density EEG setting (20 electrodes). Moreover, while neuropsychological tests yielded acceptable discrimination between bvFTD and controls, the addition of connectivity results improved classification power. Finally, classification between bvFTD and AD patients was better when based on connectivity than on neuropsychological measures. Taken together, such findings underscore the relevance of EEG measures as potential biomarker signatures for clinical settings.
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Abstract
OBJECTIVES A wealth of studies provide evidence for action simulation during language comprehension. Recent research suggests such action simulations might be sensitive to fine-grained information, such as speed. Here, we present a crucial test for action simulation of speed in language by assessing speed comprehension in patients with Parkinson's disease (PD). Based on the patients' motor deficits, we hypothesized that the speed of motion described in language would modulate their performance in semantic tasks. Specifically, they would have more difficulty processing language about relatively fast speed than language about slow speed. METHODS We conducted a semantic similarity judgment task on fast and slow action verbs in patients with PD and age-matched healthy controls. Participants had to decide which of two verbs most closely matched a target word. RESULTS Compared to controls, PD patients were slower making judgments about fast action verbs, but not for judgments about slow action verbs, suggesting impairment in processing language about fast action. Moreover, this impairment was specific to verbs describing fast action performed with the hand. CONCLUSIONS Problems moving quickly lead to difficulties comprehending language about moving quickly. This study provides evidence that speed is an important part of action representations. (JINS, 2017, 23, 412-420).
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Salmazo-Silva H, Parente MADMP, Rocha MS, Baradel RR, Cravo AM, Sato JR, Godinho F, Carthery-Goulart MT. Lexical-retrieval and semantic memory in Parkinson's disease: The question of noun and verb dissociation. BRAIN AND LANGUAGE 2017; 165:10-20. [PMID: 27912072 DOI: 10.1016/j.bandl.2016.10.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Revised: 09/08/2016] [Accepted: 10/22/2016] [Indexed: 06/06/2023]
Abstract
The dissociation between the processing of verbs and nouns has been debated in light of the Embodied Cognition Theory (EC). The objective of this paper is to verify how action and verb processing deficits of PD patients are modulated by different tasks with different cognitive demands. Action and object lexical-semantic processing was evaluated in patients with Parkinson's Disease (PD) and cognitively healthy controls through three different tasks (verbal fluency, naming and semantic association). Compared to controls, PD patients presented worse performance in naming actions and in the two semantic association tasks (action/object). Action verbal fluency performance was significantly associated with PD severity whereas object semantic association deficits and noun verbal fluency scores were associated to lower scores in measures of global cognitive functioning. Our data suggest that semantic deficits are related to the type of cognitive processing and this is in the line with more flexible EC accounts.
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Affiliation(s)
- Henrique Salmazo-Silva
- UFABC - Federal University of ABC, Center of Mathematics, Computation and Cognition, Neuroscience and Cognition Post-graduation, Neuroscience of Language and Cognition Research Group (GELC), Brazil
| | - Maria Alice de Mattos Pimenta Parente
- UFABC - Federal University of ABC, Center of Mathematics, Computation and Cognition, Neuroscience and Cognition Post-graduation, Neuroscience of Language and Cognition Research Group (GELC), Brazil
| | - Maria Sheila Rocha
- Movement and Functional Neurosurgery Ambulatory of Santa Marcelina Hospital, São Paulo, Brazil
| | - Roberta Roque Baradel
- UFABC - Federal University of ABC, Center of Mathematics, Computation and Cognition, Neuroscience and Cognition Post-graduation, Neuroscience of Language and Cognition Research Group (GELC), Brazil
| | - André M Cravo
- UFABC - Federal University of ABC, Center of Mathematics, Computation and Cognition, Neuroscience and Cognition Post-graduation, Neuroscience of Language and Cognition Research Group (GELC), Brazil
| | - João Ricardo Sato
- UFABC - Federal University of ABC, Center of Mathematics, Computation and Cognition, Neuroscience and Cognition Post-graduation, Neuroscience of Language and Cognition Research Group (GELC), Brazil
| | - Fabio Godinho
- Movement and Functional Neurosurgery Ambulatory of Santa Marcelina Hospital, São Paulo, Brazil
| | - Maria Teresa Carthery-Goulart
- UFABC - Federal University of ABC, Center of Mathematics, Computation and Cognition, Neuroscience and Cognition Post-graduation, Neuroscience of Language and Cognition Research Group (GELC), Brazil; Behavioural and Cognitive Neurology Unit, University of São Paulo, School of Medicine, São Paulo, Brazil.
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50
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Language Deficits as a Preclinical Window into Parkinson's Disease: Evidence from Asymptomatic Parkin and Dardarin Mutation Carriers. J Int Neuropsychol Soc 2017; 23:150-158. [PMID: 28205494 DOI: 10.1017/s1355617716000710] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVES The worldwide spread of Parkinson's disease (PD) calls for sensitive and specific measures enabling its early (or, ideally, preclinical) detection. Here, we use language measures revealing deficits in PD to explore whether similar disturbances are present in asymptomatic individuals at risk for the disease. METHODS We administered executive, semantic, verb-production, and syntactic tasks to sporadic PD patients, genetic PD patients with PARK2 (parkin) or LRRK2 (dardarin) mutation, asymptomatic first-degree relatives of the latter with similar mutations, and socio-demographically matched controls. Moreover, to detect sui generis language disturbances, we ran analysis of covariance tests using executive functions as covariate. RESULTS The two clinical groups showed impairments in all measures, most of which survived covariation with executive functions. However, the key finding concerned asymptomatic mutation carriers. While these subjects showed intact executive, semantic, and action-verb production skills, they evinced deficits in a syntactic test with minimal working memory load. CONCLUSIONS We propose that this sui generis disturbance may constitute a prodromal sign anticipating eventual development of PD. Moreover, our results suggest that mutations on specific genes (PARK2 and LRRK2) compromising basal ganglia functioning may be subtly related to language-processing mechanisms. (JINS, 2017, 23, 150-158).
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