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Yun JY, Choi SH, Park S, Yoo SY, Jang JH. Neural correlates of anhedonia in young adults with subthreshold depression: A graph theory approach for cortical-subcortical structural covariance. J Affect Disord 2024; 366:234-243. [PMID: 39216643 DOI: 10.1016/j.jad.2024.08.192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 08/27/2024] [Accepted: 08/28/2024] [Indexed: 09/04/2024]
Abstract
BACKGROUND Anhedonia is an enduring symptom of subthreshold depression (StD) and predict later onset of major depressive disorder (MDD). Brain structural covariance describes the inter-regional distribution of morphological changes compared to healthy controls (HC) and reflects brain maturation and disease progression. We investigated neural correlates of anhedonia from the structural covariance. METHODS T1-weighted brain magnetic resonance images were acquired from 79 young adults (26 StD, 30 MDD, and 23 HC). Intra-individual structural covariance networks of 68 cortical surface area (CSAs), 68 cortical thicknesses (CTs), and 14 subcortical volumes were constructed. Group-level hubs and principal edges were defined using the global and regional graph metrics, compared between groups, and examined for the association with anhedonia severity. RESULTS Global network metrics were comparable among the StD, MDD, and HC. StD exhibited lower centralities of left pallidal volume than HC. StD showed higher centralities than HC in the CSAs of right rostral anterior cingulate cortex (ACC) and pars triangularis, and in the CT of left pars orbitalis. Less anhedonia was associated with higher centralities of left pallidum and right amygdala, higher edge betweenness centralities in the structural covariance (EBSC) of left postcentral gyrus-parahippocampal gyrus and LIPL-right amygdala. More anhedonia was associated with higher centralities of left inferior parietal lobule (LIPL), left postcentral gyrus, left caudal ACC, and higher EBSC of LIPL-left postcentral gyrus, LIPL-right lateral occipital gyrus, and left caudal ACC-parahippocampal gyrus. LIMITATIONS This study has a cross-sectional design. CONCLUSIONS Structural covariance of brain morphologies within the salience and limbic networks, and among the salience-limbic-default mode-somatomotor-visual networks, are possible neural correlates of anhedonia in depression.
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Affiliation(s)
- Je-Yeon Yun
- Seoul National University Hospital, Seoul, Republic of Korea; Yeongeon Student Support Center, Seoul National University College of Medicine, Seoul, Republic of Korea.
| | - Soo-Hee Choi
- Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea.
| | - Susan Park
- Department of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea
| | - So Young Yoo
- Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Psychiatry, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea.
| | - Joon Hwan Jang
- Department of Psychiatry, Seoul National University Health Service Center, Seoul, Republic of Korea; Department of Human Systems Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.
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2
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Tazwar M, Evia AM, Ridwan AR, Leurgans SE, Bennett DA, Schneider JA, Arfanakis K. Limbic-predominant age-related TDP-43 encephalopathy neuropathological change (LATE-NC) is associated with abnormalities in white matter structural integrity and connectivity: An ex-vivo diffusion MRI and pathology investigation. Neurobiol Aging 2024; 140:81-92. [PMID: 38744041 PMCID: PMC11182335 DOI: 10.1016/j.neurobiolaging.2024.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 04/04/2024] [Accepted: 04/04/2024] [Indexed: 05/16/2024]
Abstract
Limbic predominant age-related TDP-43 encephalopathy neuropathological change (LATE-NC) is common in older adults and is associated with neurodegeneration, cognitive decline and dementia. In this MRI and pathology investigation we tested the hypothesis that LATE-NC is associated with abnormalities in white matter structural integrity and connectivity of a network of brain regions typically harboring TDP-43 inclusions in LATE, referred to here as the "LATE-NC network". Ex-vivo diffusion MRI and detailed neuropathological data were collected on 184 community-based older adults. Linear regression revealed an independent association of higher LATE-NC stage with lower diffusion anisotropy in a set of white matter connections forming a pattern of connectivity that is consistent with the stereotypical spread of this pathology in the brain. Graph theory analysis revealed an association of higher LATE-NC stage with weaker integration and segregation in the LATE-NC network. Abnormalities were significant in stage 3, suggesting that they are detectable in later stages of the disease. Finally, LATE-NC network abnormalities were associated with faster cognitive decline, specifically in episodic and semantic memory.
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Affiliation(s)
- Mahir Tazwar
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, IL, USA
| | - Arnold M Evia
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
| | - Abdur Raquib Ridwan
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
| | - Sue E Leurgans
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA; Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - David A Bennett
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA; Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Julie A Schneider
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA; Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA; Department of Pathology, Rush University Medical Center, Chicago, IL, USA
| | - Konstantinos Arfanakis
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, IL, USA; Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA; Department of Diagnostic Radiology, Rush University Medical Center, Chicago, IL, USA.
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3
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Li Y, Ma R, Hao X. Therapeutic role of PTEN in tissue regeneration for management of neurological disorders: stem cell behaviors to an in-depth review. Cell Death Dis 2024; 15:268. [PMID: 38627382 PMCID: PMC11021430 DOI: 10.1038/s41419-024-06657-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 03/29/2024] [Accepted: 04/08/2024] [Indexed: 04/19/2024]
Abstract
Phosphatase and tensin homolog deleted on chromosome 10 (PTEN) represents the initial tumor suppressor gene identified to possess phosphatase activity, governing various cellular processes including cell cycle regulation, migration, metabolic pathways, autophagy, oxidative stress response, and cellular senescence. Current evidence suggests that PTEN is critical for stem cell maintenance, self-renewal, migration, lineage commitment, and differentiation. Based on the latest available evidence, we provide a comprehensive overview of the mechanisms by which PTEN regulates activities of different stem cell populations and influences neurological disorders, encompassing autism, stroke, spinal cord injury, traumatic brain injury, Alzheimer's disease and Parkinson's disease. This review aims to elucidate the therapeutic impacts and mechanisms of PTEN in relation to neurogenesis or the stem cell niche across a range of neurological disorders, offering a foundation for innovative therapeutic approaches aimed at tissue repair and regeneration in neurological disorders. This review unravels novel therapeutic strategies for tissue restoration and regeneration in neurological disorders based on the regulatory mechanisms of PTEN on neurogenesis and the stem cell niche.
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Affiliation(s)
- Yue Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macau, China.
- Department of Pharmaceutical Sciences, Faculty of Health Sciences, University of Macau, 999078, Macau, China.
| | - Ruishuang Ma
- State Key Laboratory of Component-Based Chinese Medicine, Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
| | - Xia Hao
- State Key Laboratory of Component-Based Chinese Medicine, Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
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4
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Caeyenberghs K, Imms P, Irimia A, Monti MM, Esopenko C, de Souza NL, Dominguez D JF, Newsome MR, Dobryakova E, Cwiek A, Mullin HAC, Kim NJ, Mayer AR, Adamson MM, Bickart K, Breedlove KM, Dennis EL, Disner SG, Haswell C, Hodges CB, Hoskinson KR, Johnson PK, Königs M, Li LM, Liebel SW, Livny A, Morey RA, Muir AM, Olsen A, Razi A, Su M, Tate DF, Velez C, Wilde EA, Zielinski BA, Thompson PM, Hillary FG. ENIGMA's simple seven: Recommendations to enhance the reproducibility of resting-state fMRI in traumatic brain injury. Neuroimage Clin 2024; 42:103585. [PMID: 38531165 PMCID: PMC10982609 DOI: 10.1016/j.nicl.2024.103585] [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: 09/21/2023] [Revised: 02/22/2024] [Accepted: 02/25/2024] [Indexed: 03/28/2024]
Abstract
Resting state functional magnetic resonance imaging (rsfMRI) provides researchers and clinicians with a powerful tool to examine functional connectivity across large-scale brain networks, with ever-increasing applications to the study of neurological disorders, such as traumatic brain injury (TBI). While rsfMRI holds unparalleled promise in systems neurosciences, its acquisition and analytical methodology across research groups is variable, resulting in a literature that is challenging to integrate and interpret. The focus of this narrative review is to address the primary methodological issues including investigator decision points in the application of rsfMRI to study the consequences of TBI. As part of the ENIGMA Brain Injury working group, we have collaborated to identify a minimum set of recommendations that are designed to produce results that are reliable, harmonizable, and reproducible for the TBI imaging research community. Part one of this review provides the results of a literature search of current rsfMRI studies of TBI, highlighting key design considerations and data processing pipelines. Part two outlines seven data acquisition, processing, and analysis recommendations with the goal of maximizing study reliability and between-site comparability, while preserving investigator autonomy. Part three summarizes new directions and opportunities for future rsfMRI studies in TBI patients. The goal is to galvanize the TBI community to gain consensus for a set of rigorous and reproducible methods, and to increase analytical transparency and data sharing to address the reproducibility crisis in the field.
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Affiliation(s)
- Karen Caeyenberghs
- Cognitive Neuroscience Unit, School of Psychology, Deakin University, Geelong, Australia.
| | - Phoebe Imms
- Ethel Percy Andrus Gerontology Center, Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.
| | - Andrei Irimia
- Ethel Percy Andrus Gerontology Center, Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA; Alfred E. Mann Department of Biomedical Engineering, Andrew & Erna Viterbi School of Engineering, University of Southern California, Los Angeles, CA, USA; Department of Quantitative & Computational Biology, Dana and David Dornsife College of Arts & Sciences, University of Southern California, Los Angeles, CA, USA.
| | - Martin M Monti
- Department of Psychology, UCLA, USA; Brain Injury Research Center (BIRC), Department of Neurosurgery, UCLA, USA.
| | - Carrie Esopenko
- Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, NY, USA.
| | - Nicola L de Souza
- Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, NY, USA.
| | - Juan F Dominguez D
- Cognitive Neuroscience Unit, School of Psychology, Deakin University, Geelong, Australia.
| | - Mary R Newsome
- Michael E. DeBakey VA Medical Center, Houston, TX, USA; H. Ben Taub Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, TX, USA; TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, UT, USA.
| | - Ekaterina Dobryakova
- Center for Traumatic Brain Injury, Kessler Foundation, East Hanover, NJ, USA; Rutgers New Jersey Medical School, Newark, NJ, USA.
| | - Andrew Cwiek
- Department of Psychology, Penn State University, State College, PA, USA.
| | - Hollie A C Mullin
- Department of Psychology, Penn State University, State College, PA, USA.
| | - Nicholas J Kim
- Ethel Percy Andrus Gerontology Center, Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA; Alfred E. Mann Department of Biomedical Engineering, Andrew & Erna Viterbi School of Engineering, University of Southern California, Los Angeles, CA, USA.
| | - Andrew R Mayer
- Mind Research Network, Albuquerque, NM, USA; Departments of Neurology and Psychiatry, University of New Mexico School of Medicine, Albuquerque, NM, USA.
| | - Maheen M Adamson
- Women's Operational Military Exposure Network (WOMEN) & Rehabilitation Department, VA Palo Alto, Palo Alto, CA, USA; Rehabilitation Service, VA Palo Alto, Palo Alto, CA, USA; Neurosurgery, Stanford School of Medicine, Stanford, CA, USA.
| | - Kevin Bickart
- UCLA Steve Tisch BrainSPORT Program, USA; Department of Neurology, David Geffen School of Medicine at UCLA, USA.
| | - Katherine M Breedlove
- Center for Clinical Spectroscopy, Brigham and Women's Hospital, Boston, MA, USA; Department of Radiology, Harvard Medical School, Boston, MA, USA.
| | - Emily L Dennis
- TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, UT, USA; George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, UT, USA.
| | - Seth G Disner
- Minneapolis VA Health Care System, Minneapolis, MN, USA; Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, USA.
| | - Courtney Haswell
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, USA.
| | - Cooper B Hodges
- TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, UT, USA; George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, UT, USA; Department of Psychology, Brigham Young University, Provo, UT, USA.
| | - Kristen R Hoskinson
- Center for Biobehavioral Health, The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH, USA; Department of Pediatrics, The Ohio State University College of Medicine, OH, USA.
| | - Paula K Johnson
- TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, UT, USA; Neuroscience Center, Brigham Young University, Provo, UT, USA.
| | - Marsh Königs
- Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Emma Neuroscience Group, The Netherlands; Amsterdam Reproduction and Development, Amsterdam, The Netherlands.
| | - Lucia M Li
- C3NL, Imperial College London, United Kingdom; UK DRI Centre for Health Care and Technology, Imperial College London, United Kingdom.
| | - Spencer W Liebel
- TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, UT, USA; George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, UT, USA.
| | - Abigail Livny
- Division of Diagnostic Imaging, Sheba Medical Center, Tel-Hashomer, Israel; Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv, Israel; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
| | - Rajendra A Morey
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, USA; Duke-UNC Brain Imaging and Analysis Center, Duke University, Durham, NC, USA; VA Mid-Atlantic Mental Illness Research Education and Clinical Center, Durham, NC, USA.
| | - Alexandra M Muir
- Department of Psychology, Brigham Young University, Provo, UT, USA.
| | - Alexander Olsen
- Department of Psychology, Norwegian University of Science and Technology, Trondheim, Norway; Clinic of Rehabilitation, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway; NorHEAD - Norwegian Centre for Headache Research, Norwegian University of Science and Technology, Trondheim, Norway.
| | - Adeel Razi
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, VIC 3800, Australia; Wellcome Centre for Human Neuroimaging, University College London, WC1N 3AR London, United Kingdom; CIFAR Azrieli Global Scholars Program, CIFAR, Toronto, ON, Canada.
| | - Matthew Su
- H. Ben Taub Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, TX, USA.
| | - David F Tate
- TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, UT, USA; George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, UT, USA.
| | - Carmen Velez
- TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, UT, USA; George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, UT, USA.
| | - Elisabeth A Wilde
- H. Ben Taub Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, TX, USA; TBI and Concussion Center, Department of Neurology, University of Utah, Salt Lake City, UT, USA; George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, UT, USA.
| | - Brandon A Zielinski
- Departments of Pediatrics, Neurology, and Neuroscience, University of Florida, Gainesville, FL, USA; Departments of Pediatrics, Neurology, and Radiology, University of Utah, Salt Lake City, UT, USA.
| | - Paul M Thompson
- Imaging Genetics Center, Mark and Mary Stevens Neuroimaging & Informatics Institute, University of Southern California, Marina del Rey, CA, USA.
| | - Frank G Hillary
- Department of Psychology, Penn State University, State College, PA, USA; Department of Neurology, Hershey Medical Center, PA, USA.
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5
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Hampshire A, Azor A, Atchison C, Trender W, Hellyer PJ, Giunchiglia V, Husain M, Cooke GS, Cooper E, Lound A, Donnelly CA, Chadeau-Hyam M, Ward H, Elliott P. Cognition and Memory after Covid-19 in a Large Community Sample. N Engl J Med 2024; 390:806-818. [PMID: 38416429 PMCID: PMC7615803 DOI: 10.1056/nejmoa2311330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
BACKGROUND Cognitive symptoms after coronavirus disease 2019 (Covid-19), the disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), are well-recognized. Whether objectively measurable cognitive deficits exist and how long they persist are unclear. METHODS We invited 800,000 adults in a study in England to complete an online assessment of cognitive function. We estimated a global cognitive score across eight tasks. We hypothesized that participants with persistent symptoms (lasting ≥12 weeks) after infection onset would have objectively measurable global cognitive deficits and that impairments in executive functioning and memory would be observed in such participants, especially in those who reported recent poor memory or difficulty thinking or concentrating ("brain fog"). RESULTS Of the 141,583 participants who started the online cognitive assessment, 112,964 completed it. In a multiple regression analysis, participants who had recovered from Covid-19 in whom symptoms had resolved in less than 4 weeks or at least 12 weeks had similar small deficits in global cognition as compared with those in the no-Covid-19 group, who had not been infected with SARS-CoV-2 or had unconfirmed infection (-0.23 SD [95% confidence interval {CI}, -0.33 to -0.13] and -0.24 SD [95% CI, -0.36 to -0.12], respectively); larger deficits as compared with the no-Covid-19 group were seen in participants with unresolved persistent symptoms (-0.42 SD; 95% CI, -0.53 to -0.31). Larger deficits were seen in participants who had SARS-CoV-2 infection during periods in which the original virus or the B.1.1.7 variant was predominant than in those infected with later variants (e.g., -0.17 SD for the B.1.1.7 variant vs. the B.1.1.529 variant; 95% CI, -0.20 to -0.13) and in participants who had been hospitalized than in those who had not been hospitalized (e.g., intensive care unit admission, -0.35 SD; 95% CI, -0.49 to -0.20). Results of the analyses were similar to those of propensity-score-matching analyses. In a comparison of the group that had unresolved persistent symptoms with the no-Covid-19 group, memory, reasoning, and executive function tasks were associated with the largest deficits (-0.33 to -0.20 SD); these tasks correlated weakly with recent symptoms, including poor memory and brain fog. No adverse events were reported. CONCLUSIONS Participants with resolved persistent symptoms after Covid-19 had objectively measured cognitive function similar to that in participants with shorter-duration symptoms, although short-duration Covid-19 was still associated with small cognitive deficits after recovery. Longer-term persistence of cognitive deficits and any clinical implications remain uncertain. (Funded by the National Institute for Health and Care Research and others.).
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Affiliation(s)
- Adam Hampshire
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Adriana Azor
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Christina Atchison
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - William Trender
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Peter J Hellyer
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Valentina Giunchiglia
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Masud Husain
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Graham S Cooke
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Emily Cooper
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Adam Lound
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Christl A Donnelly
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Marc Chadeau-Hyam
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Helen Ward
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
| | - Paul Elliott
- From the Department of Brain Sciences (A.H., A.A., W.T., V.G.), MRC Centre for Environment and Health (M.C.-H., P.E.), School of Public Health (C.A., E.C., A.L., C.A.D., M.C.-H., H.W., P.E.), and the Department of Infectious Disease (G.S.C.), Imperial College London, the National Institute for Health Research Imperial Biomedical Research Centre (C.A., G.S.C., E.C., A.L., H.W., P.E.), the Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology, and Neuroscience, King's College London (P.J.H.), Imperial College Healthcare NHS Trust (G.S.C., H.W., P.E.), Health Data Research U.K. London at Imperial (P.E.), and U.K. Dementia Research Institute at Imperial (P.E.), London, and the Nuffield Department of Clinical Neurosciences (M.H.), the Departments of Experimental Psychology (M.H.) and Statistics (C.A.D.), and the Pandemic Sciences Institute (C.A.D.), University of Oxford, Oxford - all in the United Kingdom
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6
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Peattie ARD, Manktelow AE, Sahakian BJ, Menon DK, Stamatakis EA. Methylphenidate Ameliorates Behavioural and Neurobiological Deficits in Executive Function for Patients with Chronic Traumatic Brain Injury. J Clin Med 2024; 13:771. [PMID: 38337465 PMCID: PMC10856064 DOI: 10.3390/jcm13030771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/18/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024] Open
Abstract
(1) Background: Traumatic brain injury (TBI) often results in cognitive impairments, including in visuospatial planning and executive function. Methylphenidate (MPh) demonstrates potential improvements in several cognitive domains in patients with TBI. The Tower of London (TOL) is a visuospatial planning task used to assess executive function. (2) Methods: Volunteers with a history of TBI (n = 16) participated in a randomised, double-blinded, placebo-controlled, fMRI study to investigate the neurobiological correlates of visuospatial planning and executive function, on and off MPh. (3) Results: Healthy controls (HCs) (n = 18) and patients on placebo (TBI-placebo) differed significantly in reaction time (p < 0.0005) and accuracy (p < 0.0001) when considering all task loads, but especially for high cognitive loads for reaction time (p < 0.001) and accuracy (p < 0.005). Across all task loads, TBI-MPh were more accurate than TBI-placebo (p < 0.05) but remained less accurate than HCs (p < 0.005). TBI-placebo substantially improved in accuracy with MPh administration (TBI-MPh) to a level statistically comparable to HCs at low (p = 0.443) and high (p = 0.175) cognitive loads. Further, individual patients that performed slower on placebo at low cognitive loads were faster with MPh (p < 0.05), while individual patients that performed less accurately on placebo were more accurate with MPh at both high and low cognitive loads (p < 0.005). TBI-placebo showed reduced activity in the bilateral inferior frontal gyri (IFG) and insulae versus HCs. MPh normalised these regional differences. MPh enhanced within-network connectivity (between parietal, striatal, insula, and cerebellar regions) and enhanced beyond-network connectivity (between parietal, thalamic, and cerebellar regions). Finally, individual changes in cerebellar-thalamic (p < 0.005) and cerebellar-parietal (p < 0.05) connectivity with MPh related to individual changes in accuracy with MPh. (4) Conclusions: This work highlights behavioural and neurofunctional differences between HCs and patients with chronic TBI, and that adverse differences may benefit from MPh treatment.
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Affiliation(s)
- Alexander R. D. Peattie
- Division of Anaesthesia, University of Cambridge, Addenbrooke’s Hospital, Box 93, Hills Road, Cambridge CB2 0QQ, UK; (A.E.M.); (D.K.M.)
- Department of Clinical Neurosciences, University of Cambridge, Addenbrooke’s Hospital, Box 165, Hills Road, Cambridge CB2 0QQ, UK
| | - Anne E. Manktelow
- Division of Anaesthesia, University of Cambridge, Addenbrooke’s Hospital, Box 93, Hills Road, Cambridge CB2 0QQ, UK; (A.E.M.); (D.K.M.)
- Department of Clinical Neurosciences, University of Cambridge, Addenbrooke’s Hospital, Box 165, Hills Road, Cambridge CB2 0QQ, UK
| | - Barbara J. Sahakian
- Department of Psychiatry, University of Cambridge, Herchel Smith Building for Brain and Mind Sciences, Forvie Site, Robinson Way, Cambridge CB2 0SZ, UK;
| | - David K. Menon
- Division of Anaesthesia, University of Cambridge, Addenbrooke’s Hospital, Box 93, Hills Road, Cambridge CB2 0QQ, UK; (A.E.M.); (D.K.M.)
- Wolfson Brain Imaging Centre, University of Cambridge, Cambridge Biomedical Campus, Box 65, Cambridge CB2 0QQ, UK
| | - Emmanuel A. Stamatakis
- Division of Anaesthesia, University of Cambridge, Addenbrooke’s Hospital, Box 93, Hills Road, Cambridge CB2 0QQ, UK; (A.E.M.); (D.K.M.)
- Department of Clinical Neurosciences, University of Cambridge, Addenbrooke’s Hospital, Box 165, Hills Road, Cambridge CB2 0QQ, UK
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7
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Symons GF, Gregg MC, Hicks AJ, Rowe CC, Shultz SR, Ponsford JL, Spitz G. Altered grey matter structural covariance in chronic moderate-severe traumatic brain injury. Sci Rep 2024; 14:1728. [PMID: 38242923 PMCID: PMC10799053 DOI: 10.1038/s41598-023-50396-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/19/2023] [Indexed: 01/21/2024] Open
Abstract
Traumatic brain injury (TBI) alters brain network connectivity. Structural covariance networks (SCNs) reflect morphological covariation between brain regions. SCNs may elucidate how altered brain network topology in TBI influences long-term outcomes. Here, we assessed whether SCN organisation is altered in individuals with chronic moderate-severe TBI (≥ 10 years post-injury) and associations with cognitive performance. This case-control study included fifty individuals with chronic moderate-severe TBI compared to 75 healthy controls recruited from an ongoing longitudinal head injury outcome study. SCNs were constructed using grey matter volume measurements from T1-weighted MRI images. Global and regional SCN organisation in relation to group membership and cognitive ability was examined using regression analyses. Globally, TBI participants had reduced small-worldness, longer characteristic path length, higher clustering, and higher modularity globally (p < 0.05). Regionally, TBI participants had greater betweenness centrality (p < 0.05) in frontal and central areas of the cortex. No significant associations were observed between global network measures and cognitive ability in participants with TBI (p > 0.05). Chronic moderate-severe TBI was associated with a shift towards a more segregated global network topology and altered organisation in frontal and central brain regions. There was no evidence that SCNs are associated with cognition.
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Affiliation(s)
- Georgia F Symons
- Department of Neuroscience, Monash University, 6th Floor, The Alfred Centre, 99 Commercial Road, Melbourne, VIC, 3004, Australia.
| | - Matthew C Gregg
- Monash-Epworth Rehabilitation Research Centre, Ground Floor, 185-187 Hoddle St, Richmond, 3121, Australia
| | - Amelia J Hicks
- Monash-Epworth Rehabilitation Research Centre, Ground Floor, 185-187 Hoddle St, Richmond, 3121, Australia
| | - Christopher C Rowe
- Department of Molecular Imaging and Therapy, Austin Health, 145 Studley Rd, Heidelberg, VIC, 3084, Australia
| | - Sandy R Shultz
- Department of Neuroscience, Monash University, 6th Floor, The Alfred Centre, 99 Commercial Road, Melbourne, VIC, 3004, Australia
- Health Sciences, Vancouver Island University, 900 Fifth Street, Nanaimo, BC, V9R 5S5, Canada
| | - Jennie L Ponsford
- Monash-Epworth Rehabilitation Research Centre, Ground Floor, 185-187 Hoddle St, Richmond, 3121, Australia
| | - Gershon Spitz
- Department of Neuroscience, Monash University, 6th Floor, The Alfred Centre, 99 Commercial Road, Melbourne, VIC, 3004, Australia
- Monash-Epworth Rehabilitation Research Centre, Ground Floor, 185-187 Hoddle St, Richmond, 3121, Australia
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8
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Mito R, Pedersen M, Pardoe H, Parker D, Smith RE, Cameron J, Scheffer IE, Berkovic SF, Vaughan DN, Jackson GD. Exploring individual fixel-based white matter abnormalities in epilepsy. Brain Commun 2023; 6:fcad352. [PMID: 38187877 PMCID: PMC10768884 DOI: 10.1093/braincomms/fcad352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 11/02/2023] [Accepted: 12/21/2023] [Indexed: 01/09/2024] Open
Abstract
Diffusion MRI has provided insight into the widespread structural connectivity changes that characterize epilepsies. Although syndrome-specific white matter abnormalities have been demonstrated, studies to date have predominantly relied on statistical comparisons between patient and control groups. For diffusion MRI techniques to be of clinical value, they should be able to detect white matter microstructural changes in individual patients. In this study, we apply an individualized approach to a technique known as fixel-based analysis, to examine fibre-tract-specific abnormalities in individuals with epilepsy. We explore the potential clinical value of this individualized fixel-based approach in epilepsy patients with differing syndromic diagnoses. Diffusion MRI data from 90 neurologically healthy control participants and 10 patients with epilepsy (temporal lobe epilepsy, progressive myoclonus epilepsy, and Dravet Syndrome, malformations of cortical development) were included in this study. Measures of fibre density and cross-section were extracted for all participants across brain white matter fixels, and mean values were computed within select tracts-of-interest. Scanner harmonized and normalized data were then used to compute Z-scores for individual patients with epilepsy. White matter abnormalities were observed in distinct patterns in individual patients with epilepsy, both at the tract and fixel level. For patients with specific epilepsy syndromes, the detected white matter abnormalities were in line with expected syndrome-specific clinical phenotypes. In patients with lesional epilepsies (e.g. hippocampal sclerosis, periventricular nodular heterotopia, and bottom-of-sulcus dysplasia), white matter abnormalities were spatially concordant with lesion location. This proof-of-principle study demonstrates the clinical potential of translating advanced diffusion MRI methodology to individual-patient-level use in epilepsy. This technique could be useful both in aiding diagnosis of specific epilepsy syndromes, and in localizing structural abnormalities, and is readily amenable to other neurological disorders. We have included code and data for this study so that individualized white matter changes can be explored robustly in larger cohorts in future work.
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Affiliation(s)
- Remika Mito
- Florey Institute of Neuroscience and Mental Health, Heidelberg, Victoria 3084, Australia
- Florey Department of Neuroscience and Mental Health, University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Mangor Pedersen
- Florey Institute of Neuroscience and Mental Health, Heidelberg, Victoria 3084, Australia
- Department of Psychology and Neuroscience, Auckland University of Technology (AUT), Auckland 1142, New Zealand
| | - Heath Pardoe
- Florey Institute of Neuroscience and Mental Health, Heidelberg, Victoria 3084, Australia
| | - Donna Parker
- Florey Institute of Neuroscience and Mental Health, Heidelberg, Victoria 3084, Australia
| | - Robert E Smith
- Florey Institute of Neuroscience and Mental Health, Heidelberg, Victoria 3084, Australia
- Florey Department of Neuroscience and Mental Health, University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Jillian Cameron
- Epilepsy Research Centre, Department of Medicine, University of Melbourne, Austin Health, Heidelberg, Victoria 3084, Australia
| | - Ingrid E Scheffer
- Epilepsy Research Centre, Department of Medicine, University of Melbourne, Austin Health, Heidelberg, Victoria 3084, Australia
| | - Samuel F Berkovic
- Epilepsy Research Centre, Department of Medicine, University of Melbourne, Austin Health, Heidelberg, Victoria 3084, Australia
| | - David N Vaughan
- Florey Institute of Neuroscience and Mental Health, Heidelberg, Victoria 3084, Australia
- Florey Department of Neuroscience and Mental Health, University of Melbourne, Melbourne, Victoria 3010, Australia
- Department of Neurology, Austin Health, Heidelberg, Victoria 3084, Australia
| | - Graeme D Jackson
- Florey Institute of Neuroscience and Mental Health, Heidelberg, Victoria 3084, Australia
- Florey Department of Neuroscience and Mental Health, University of Melbourne, Melbourne, Victoria 3010, Australia
- Department of Neurology, Austin Health, Heidelberg, Victoria 3084, Australia
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9
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Yun JY, Choi SH, Park S, Jang JH. Association of executive function with suicidality based on resting-state functional connectivity in young adults with subthreshold depression. Sci Rep 2023; 13:20690. [PMID: 38001278 PMCID: PMC10673918 DOI: 10.1038/s41598-023-48160-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 11/22/2023] [Indexed: 11/26/2023] Open
Abstract
Subthreshold depression (StD) is associated an increased risk of developing major depressive disorder (MDD) and suicidality. Suicidality could be linked to distress intolerance and use of context-dependent strategies. We identified neural correlates of executive functioning among the hubs in the resting-state functional connectome (rs-FCN) and examined associations with recent suicidality in StD and MDD. In total, 79 young adults [27 StD, 30 MDD, and 23 healthy controls (HC)] were scanned using magnetic resonance imaging. Neurocognitive measures of the mean latency to correct five moves in the One Touch Stockings of Cambridge (OTSMLC5), spatial working memory between errors (SWMBE), rapid visual information processing A' (RVPA'), and the stop signal reaction time in the stop signal test (SSTSSRT) were obtained. Global graph metrics were calculated to measure the network integration, segregation, and their balance in the rs-FCN. Regional graph metrics reflecting the number of neighbors (degree centrality; DC), participation in the shortcuts (betweenness centrality; BC), and accessibility to intersections (eigenvector centrality; EC) in the rs-FCN defined group-level hubs for StD, HC, and MDD, separately. Global network metrics were comparable among the groups (all P > 0.05). Among the group-level hubs, regional graph metrics of left dorsal anterior insula (dAI), right dorsomedial prefrontal cortex (dmPFC), right rostral temporal thalamus, right precuneus, and left postcentral/middle temporal/anterior subgenual cingulate cortices were different among the groups. Further, significant associations with neurocognitive measures were found in the right dmPFC with SWMBE, and left dAI with SSTSSRT and RVPA'. Shorter OTSMLC5 was related to the lower centralities of right thalamus and suffer of recent 1-year suicidal ideation (all Ps < 0.05 in ≥ 2 centralities out of DC, BC, and EC). Collectively, salience and thalamic networks underlie spatial strategy and planning, response inhibition, and suicidality in StD and MDD. Anti-suicidal therapies targeting executive function and modulation of salience-thalamic network in StD and MDD are required.
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Affiliation(s)
- Je-Yeon Yun
- Seoul National University Hospital, Seoul, Republic of Korea
- Yeongeon Student Support Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Soo-Hee Choi
- Department of Psychiatry, Seoul National University Hospital, Seoul, Republic of Korea
- Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Susan Park
- Department of Psychiatry, Seoul National University Hospital, Seoul, Republic of Korea
| | - Joon Hwan Jang
- Department of Psychiatry, Seoul National University Health Service Center, 1 Gwanak-Ro, Gwanak-Gu, 08826, Seoul, Republic of Korea.
- Department of Human Systems Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.
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10
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Kurtin DL, Araña‐Oiarbide G, Lorenz R, Violante IR, Hampshire A. Planning ahead: Predictable switching recruits task-active and resting-state networks. Hum Brain Mapp 2023; 44:5030-5046. [PMID: 37471699 PMCID: PMC10502652 DOI: 10.1002/hbm.26430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 06/08/2023] [Accepted: 07/05/2023] [Indexed: 07/22/2023] Open
Abstract
Switching is a difficult cognitive process characterised by costs in task performance; specifically, slowed responses and reduced accuracy. It is associated with the recruitment of a large coalition of task-positive regions including those referred to as the multiple demand cortex (MDC). The neural correlates of switching not only include the MDC, but occasionally the default mode network (DMN), a characteristically task-negative network. To unpick the role of the DMN during switching we collected fMRI data from 24 participants playing a switching paradigm that perturbed predictability (i.e., cognitive load) across three switch dimensions-sequential, perceptual, and spatial predictability. We computed the activity maps unique to switch vs. stay trials and all switch dimensions, then evaluated functional connectivity under these switch conditions by computing the pairwise mutual information functional connectivity (miFC) between regional timeseries. Switch trials exhibited an expected cost in reaction time while sequential predictability produced a significant benefit to task accuracy. Our results showed that switch trials recruited a broader activity map than stay trials, including regions of the DMN, the MDC, and task-positive networks such as visual, somatomotor, dorsal, salience/ventral attention networks. More sequentially predictable trials recruited increased activity in the somatomotor and salience/ventral attention networks. Notably, changes in sequential and perceptual predictability, but not spatial predictability, had significant effects on miFC. Increases in perceptual predictability related to decreased miFC between control, visual, somatomotor, and DMN regions, whereas increases in sequential predictability increased miFC between regions in the same networks, as well as regions within ventral attention/ salience, dorsal attention, limbic, and temporal parietal networks. These results provide novel clues as to how DMN may contribute to executive task performance. Specifically, the improved task performance, unique activity, and increased miFC associated with increased sequential predictability suggest that the DMN may coordinate more strongly with the MDC to generate a temporal schema of upcoming task events, which may attenuate switching costs.
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Affiliation(s)
- Danielle L. Kurtin
- NeuroModulation Lab, Department of Psychology, Faculty of Health and Medical SciencesUniversity of SurreyGuildfordUK
- Department of Brain Sciences, Faculty of MedicineImperial College LondonLondonUK
| | | | - Romy Lorenz
- MRC Cognition and Brain Sciences UnitUniversity of CambridgeCambridgeUK
- The Poldrack LabStanford UniversityStanfordCaliforniaUSA
- Department of NeurophysicsMax‐Planck Institute for Human Cognitive and Brain SciencesLeipzigGermany
| | - Ines R. Violante
- NeuroModulation Lab, Department of Psychology, Faculty of Health and Medical SciencesUniversity of SurreyGuildfordUK
| | - Adam Hampshire
- Department of Brain Sciences, Faculty of MedicineImperial College LondonLondonUK
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11
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Cheetham NJ, Penfold R, Giunchiglia V, Bowyer V, Sudre CH, Canas LS, Deng J, Murray B, Kerfoot E, Antonelli M, Rjoob K, Molteni E, Österdahl MF, Harvey NR, Trender WR, Malim MH, Doores KJ, Hellyer PJ, Modat M, Hammers A, Ourselin S, Duncan EL, Hampshire A, Steves CJ. The effects of COVID-19 on cognitive performance in a community-based cohort: a COVID symptom study biobank prospective cohort study. EClinicalMedicine 2023; 62:102086. [PMID: 37654669 PMCID: PMC10466229 DOI: 10.1016/j.eclinm.2023.102086] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 06/16/2023] [Accepted: 06/21/2023] [Indexed: 09/02/2023] Open
Abstract
Background Cognitive impairment has been reported after many types of infection, including SARS-CoV-2. Whether deficits following SARS-CoV-2 improve over time is unclear. Studies to date have focused on hospitalised individuals with up to a year follow-up. The presence, magnitude, persistence and correlations of effects in community-based cases remain relatively unexplored. Methods Cognitive performance (working memory, attention, reasoning, motor control) was assessed in a prospective cohort study of participants from the United Kingdom COVID Symptom Study Biobank between July 12, 2021 and August 27, 2021 (Round 1), and between April 28, 2022 and June 21, 2022 (Round 2). Participants, recruited from the COVID Symptom Study smartphone app, comprised individuals with and without SARS-CoV-2 infection and varying symptom duration. Effects of COVID-19 exposures on cognitive accuracy and reaction time scores were estimated using multivariable ordinary least squares linear regression models weighted for inverse probability of participation, adjusting for potential confounders and mediators. The role of ongoing symptoms after COVID-19 infection was examined stratifying for self-perceived recovery. Longitudinal analysis assessed change in cognitive performance between rounds. Findings 3335 individuals completed Round 1, of whom 1768 also completed Round 2. At Round 1, individuals with previous positive SARS-CoV-2 tests had lower cognitive accuracy (N = 1737, β = -0.14 standard deviations, SDs, 95% confidence intervals, CI: -0.21, -0.07) than negative controls. Deficits were largest for positive individuals with ≥12 weeks of symptoms (N = 495, β = -0.22 SDs, 95% CI: -0.35, -0.09). Effects were comparable to hospital presentation during illness (N = 281, β = -0.31 SDs, 95% CI: -0.44, -0.18), and 10 years age difference (60-70 years vs. 50-60 years, β = -0.21 SDs, 95% CI: -0.30, -0.13) in the whole study population. Stratification by self-reported recovery revealed that deficits were only detectable in SARS-CoV-2 positive individuals who did not feel recovered from COVID-19, whereas individuals who reported full recovery showed no deficits. Longitudinal analysis showed no evidence of cognitive change over time, suggesting that cognitive deficits for affected individuals persisted at almost 2 years since initial infection. Interpretation Cognitive deficits following SARS-CoV-2 infection were detectable nearly two years post infection, and largest for individuals with longer symptom durations, ongoing symptoms, and/or more severe infection. However, no such deficits were detected in individuals who reported full recovery from COVID-19. Further work is needed to monitor and develop understanding of recovery mechanisms for those with ongoing symptoms. Funding Chronic Disease Research Foundation, Wellcome Trust, National Institute for Health and Care Research, Medical Research Council, British Heart Foundation, Alzheimer's Society, European Union, COVID-19 Driver Relief Fund, French National Research Agency.
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Affiliation(s)
- Nathan J. Cheetham
- Department of Twin Research and Genetic Epidemiology, King's College London, London, United Kingdom
| | - Rose Penfold
- Department of Twin Research and Genetic Epidemiology, King's College London, London, United Kingdom
- Edinburgh Delirium Research Group, Ageing and Health, Usher Institute, University of Edinburgh, Edinburgh, United Kingdom
| | | | - Vicky Bowyer
- Department of Twin Research and Genetic Epidemiology, King's College London, London, United Kingdom
| | - Carole H. Sudre
- MRC Unit for Lifelong Health and Ageing, Department of Population Health Sciences, University College London, London, United Kingdom
- Centre for Medical Image Computing, Department of Computer Science, University College London, London, United Kingdom
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom
| | - Liane S. Canas
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom
| | - Jie Deng
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom
| | - Benjamin Murray
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom
| | - Eric Kerfoot
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom
| | - Michela Antonelli
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom
| | - Khaled Rjoob
- MRC Unit for Lifelong Health and Ageing, Department of Population Health Sciences, University College London, London, United Kingdom
| | - Erika Molteni
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom
| | - Marc F. Österdahl
- Department of Twin Research and Genetic Epidemiology, King's College London, London, United Kingdom
| | - Nicholas R. Harvey
- Department of Twin Research and Genetic Epidemiology, King's College London, London, United Kingdom
| | | | - Michael H. Malim
- Department of Infectious Diseases, King's College London, London, United Kingdom
| | - Katie J. Doores
- Department of Infectious Diseases, King's College London, London, United Kingdom
| | - Peter J. Hellyer
- Centre for Neuroimaging Sciences, King's College London, London, United Kingdom
| | - Marc Modat
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom
| | - Alexander Hammers
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom
- King's College London & Guy's and St Thomas' PET Centre, King's College London, London, United Kingdom
| | - Sebastien Ourselin
- School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom
| | - Emma L. Duncan
- Department of Twin Research and Genetic Epidemiology, King's College London, London, United Kingdom
- Guy's & St Thomas's NHS Foundation Trust, London, United Kingdom
| | - Adam Hampshire
- Department of Brain Sciences, Imperial College London, United Kingdom
| | - Claire J. Steves
- Department of Twin Research and Genetic Epidemiology, King's College London, London, United Kingdom
- Guy's & St Thomas's NHS Foundation Trust, London, United Kingdom
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12
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Del Giovane M, Trender WR, Bălăeţ M, Mallas EJ, Jolly AE, Bourke NJ, Zimmermann K, Graham NS, Lai H, Losty EJ, Oiarbide GA, Hellyer PJ, Faiman I, Daniels SJ, Batey P, Harrison M, Giunchiglia V, Kolanko MA, David MC, Li LM, Demarchi C, Friedland D, Sharp DJ, Hampshire A. Computerised cognitive assessment in patients with traumatic brain injury: an observational study of feasibility and sensitivity relative to established clinical scales. EClinicalMedicine 2023; 59:101980. [PMID: 37152359 PMCID: PMC10154960 DOI: 10.1016/j.eclinm.2023.101980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/28/2023] [Accepted: 04/12/2023] [Indexed: 05/09/2023] Open
Abstract
Background Online technology could potentially revolutionise how patients are cognitively assessed and monitored. However, it remains unclear whether assessments conducted remotely can match established pen-and-paper neuropsychological tests in terms of sensitivity and specificity. Methods This observational study aimed to optimise an online cognitive assessment for use in traumatic brain injury (TBI) clinics. The tertiary referral clinic in which this tool has been clinically implemented typically sees patients a minimum of 6 months post-injury in the chronic phase. Between March and August 2019, we conducted a cross-group, cross-device and factor analyses at the St. Mary's Hospital TBI clinic and major trauma wards at Imperial College NHS trust and St. George's Hospital in London (UK), to identify a battery of tasks that assess aspects of cognition affected by TBI. Between September 2019 and February 2020, we evaluated the online battery against standard face-to-face neuropsychological tests at the Imperial College London research centre. Canonical Correlation Analysis (CCA) determined the shared variance between the online battery and standard neuropsychological tests. Finally, between October 2020 and December 2021, the tests were integrated into a framework that automatically generates a results report where patients' performance is compared to a large normative dataset. We piloted this as a practical tool to be used under supervised and unsupervised conditions at the St. Mary's Hospital TBI clinic in London (UK). Findings The online assessment discriminated processing-speed, visual-attention, working-memory, and executive-function deficits in TBI. CCA identified two significant modes indicating shared variance with standard neuropsychological tests (r = 0.86, p < 0.001 and r = 0.81, p = 0.02). Sensitivity to cognitive deficits after TBI was evident in the TBI clinic setting under supervised and unsupervised conditions (F (15,555) = 3.99; p < 0.001). Interpretation Online cognitive assessment of TBI patients is feasible, sensitive, and efficient. When combined with normative sociodemographic models and autogenerated reports, it has the potential to transform cognitive assessment in the healthcare setting. Funding This work was funded by a National Institute for Health Research (NIHR) Invention for Innovation (i4i) grant awarded to DJS and AH (II-LB-0715-20006).
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Affiliation(s)
- Martina Del Giovane
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - William R. Trender
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Maria Bălăeţ
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Emma-Jane Mallas
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Amy E. Jolly
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
- Department of Neuroinflammation, UCL Queen Square Institute of Neurology, Faculty of Brain Sciences, Queen Square, WC1N 3BG, London, United Kingdom
| | - Niall J. Bourke
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, 16 De Crespigny Park, SE5 8AB, London, United Kingdom
| | - Karl Zimmermann
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Neil S.N. Graham
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Helen Lai
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Ethan J.F. Losty
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Garazi Araña Oiarbide
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Peter J. Hellyer
- Institute of Psychiatry, Psychology and Neuroscience, King’s College London, 16 De Crespigny Park, SE5 8AF, London, United Kingdom
| | - Irene Faiman
- Clinical Neuropsychology Service, St George's University Hospital NHS Foundation Trust, Blackshaw Road, SW17 0QT, London, United Kingdom
| | - Sarah J.C. Daniels
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Philippa Batey
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- The Helix Centre, Imperial College London, and the Royal College of Arts, St. Mary’s Hospital, 3rd Floor Paterson Building, 20 South Wharf Road, Paddington, W2 1PE, London, United Kingdom
| | - Matthew Harrison
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- The Helix Centre, Imperial College London, and the Royal College of Arts, St. Mary’s Hospital, 3rd Floor Paterson Building, 20 South Wharf Road, Paddington, W2 1PE, London, United Kingdom
| | - Valentina Giunchiglia
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Magdalena A. Kolanko
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Michael C.B. David
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Lucia M. Li
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Célia Demarchi
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Daniel Friedland
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - David J. Sharp
- UK Dementia Research Institute, Care Research & Technology Centre, Imperial College and the University of Surrey, 9th Floor, Sir Michael Uren Hub, 86 Wood Ln, W12 0BZ, London, United Kingdom
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
| | - Adam Hampshire
- Department of Brain Sciences, Imperial College London, London, United Kingdom. Burlington Danes, The Hammersmith Hospital, Du Cane Road, W12 0NN, London, United Kingdom
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13
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Gruber M, Mauritz M, Meinert S, Grotegerd D, de Lange SC, Grumbach P, Goltermann J, Winter NR, Waltemate L, Lemke H, Thiel K, Winter A, Breuer F, Borgers T, Enneking V, Klug M, Brosch K, Meller T, Pfarr JK, Ringwald KG, Stein F, Opel N, Redlich R, Hahn T, Leehr EJ, Bauer J, Nenadić I, Kircher T, van den Heuvel MP, Dannlowski U, Repple J. Cognitive performance and brain structural connectome alterations in major depressive disorder. Psychol Med 2023; 53:1-12. [PMID: 36752136 PMCID: PMC10600941 DOI: 10.1017/s0033291722004007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 12/02/2022] [Accepted: 12/23/2022] [Indexed: 02/09/2023]
Abstract
BACKGROUND Cognitive dysfunction and brain structural connectivity alterations have been observed in major depressive disorder (MDD). However, little is known about their interrelation. The present study follows a network approach to evaluate alterations in cognition-related brain structural networks. METHODS Cognitive performance of n = 805 healthy and n = 679 acutely depressed or remitted individuals was assessed using 14 cognitive tests aggregated into cognitive factors. The structural connectome was reconstructed from structural and diffusion-weighted magnetic resonance imaging. Associations between global connectivity strength and cognitive factors were established using linear regressions. Network-based statistics were applied to identify subnetworks of connections underlying these global-level associations. In exploratory analyses, effects of depression were assessed by evaluating remission status-related group differences in subnetwork-specific connectivity. Partial correlations were employed to directly test the complete triad of cognitive factors, depressive symptom severity, and subnetwork-specific connectivity strength. RESULTS All cognitive factors were associated with global connectivity strength. For each cognitive factor, network-based statistics identified a subnetwork of connections, revealing, for example, a subnetwork positively associated with processing speed. Within that subnetwork, acutely depressed patients showed significantly reduced connectivity strength compared to healthy controls. Moreover, connectivity strength in that subnetwork was associated to current depressive symptom severity independent of the previous disease course. CONCLUSIONS Our study is the first to identify cognition-related structural brain networks in MDD patients, thereby revealing associations between cognitive deficits, depressive symptoms, and reduced structural connectivity. This supports the hypothesis that structural connectome alterations may mediate the association of cognitive deficits and depression severity.
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Affiliation(s)
- Marius Gruber
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany
| | - Marco Mauritz
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Susanne Meinert
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
- Institute of Translational Neuroscience, University of Münster, 48149 Münster, Germany
| | - Dominik Grotegerd
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Siemon C. de Lange
- Connectome Lab, Department of Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Vrije Universiteit Amsterdam, Amsterdam Neuroscience, 1081 HV Amsterdam, The Netherlands
- Department of Sleep and Cognition, Netherlands Institute for Neuroscience, an institute of the Royal Netherlands Academy of Arts and Sciences, 1105 BA Amsterdam, The Netherlands
| | - Pascal Grumbach
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Janik Goltermann
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Nils Ralf Winter
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Lena Waltemate
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Hannah Lemke
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Katharina Thiel
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Alexandra Winter
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Fabian Breuer
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Tiana Borgers
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Verena Enneking
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Melissa Klug
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Katharina Brosch
- Department of Psychiatry and Psychotherapy, University of Marburg, 35039 Marburg, Germany
- Center for Mind, Brain and Behavior, University of Marburg, 35032 Marburg, Germany
| | - Tina Meller
- Department of Psychiatry and Psychotherapy, University of Marburg, 35039 Marburg, Germany
- Center for Mind, Brain and Behavior, University of Marburg, 35032 Marburg, Germany
| | - Julia-Katharina Pfarr
- Department of Psychiatry and Psychotherapy, University of Marburg, 35039 Marburg, Germany
- Center for Mind, Brain and Behavior, University of Marburg, 35032 Marburg, Germany
| | - Kai Gustav Ringwald
- Department of Psychiatry and Psychotherapy, University of Marburg, 35039 Marburg, Germany
- Center for Mind, Brain and Behavior, University of Marburg, 35032 Marburg, Germany
| | - Frederike Stein
- Department of Psychiatry and Psychotherapy, University of Marburg, 35039 Marburg, Germany
- Center for Mind, Brain and Behavior, University of Marburg, 35032 Marburg, Germany
| | - Nils Opel
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
- Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, 07743 Jena, Germany
| | - Ronny Redlich
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
- Institute of Psychology, University of Halle, 06108 Halle (Saale), Germany
| | - Tim Hahn
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Elisabeth J. Leehr
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Jochen Bauer
- Department of Radiology, University of Münster, 48149 Münster, Germany
| | - Igor Nenadić
- Department of Psychiatry and Psychotherapy, University of Marburg, 35039 Marburg, Germany
- Center for Mind, Brain and Behavior, University of Marburg, 35032 Marburg, Germany
| | - Tilo Kircher
- Department of Psychiatry and Psychotherapy, University of Marburg, 35039 Marburg, Germany
- Center for Mind, Brain and Behavior, University of Marburg, 35032 Marburg, Germany
| | - Martijn P. van den Heuvel
- Connectome Lab, Department of Complex Trait Genetics, Center for Neurogenomics and Cognitive Research, Vrije Universiteit Amsterdam, Amsterdam Neuroscience, 1081 HV Amsterdam, The Netherlands
- Department of Child Psychiatry, Amsterdam University Medical Center, Amsterdam Neuroscience, 1105 AZ Amsterdam, The Netherlands
| | - Udo Dannlowski
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
| | - Jonathan Repple
- Institute for Translational Psychiatry, University of Münster, 48149 Münster, Germany
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt, Goethe University, 60528 Frankfurt, Germany
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14
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Imms P, Clemente A, Deutscher E, Radwan AM, Akhlaghi H, Beech P, Wilson PH, Irimia A, Poudel G, Domínguez Duque JF, Caeyenberghs K. Exploring personalized structural connectomics for moderate to severe traumatic brain injury. Netw Neurosci 2023; 7:160-183. [PMID: 37334004 PMCID: PMC10270710 DOI: 10.1162/netn_a_00277] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 09/06/2022] [Indexed: 10/03/2023] Open
Abstract
Graph theoretical analysis of the structural connectome has been employed successfully to characterize brain network alterations in patients with traumatic brain injury (TBI). However, heterogeneity in neuropathology is a well-known issue in the TBI population, such that group comparisons of patients against controls are confounded by within-group variability. Recently, novel single-subject profiling approaches have been developed to capture inter-patient heterogeneity. We present a personalized connectomics approach that examines structural brain alterations in five chronic patients with moderate to severe TBI who underwent anatomical and diffusion magnetic resonance imaging. We generated individualized profiles of lesion characteristics and network measures (including personalized graph metric GraphMe plots, and nodal and edge-based brain network alterations) and compared them against healthy reference cases (N = 12) to assess brain damage qualitatively and quantitatively at the individual level. Our findings revealed alterations of brain networks with high variability between patients. With validation and comparison to stratified, normative healthy control comparison cohorts, this approach could be used by clinicians to formulate a neuroscience-guided integrative rehabilitation program for TBI patients, and for designing personalized rehabilitation protocols based on their unique lesion load and connectome.
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Affiliation(s)
- Phoebe Imms
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
| | - Adam Clemente
- Healthy Brain and Mind Research Centre, School of Behavioural, Health, and Human Sciences, Faculty of Health Sciences, Australian Catholic University, Fitzroy, Victoria, Australia
| | - Evelyn Deutscher
- Cognitive Neuroscience Unit, School of Psychology, Faculty of Health, Deakin University, Burwood, Victoria, Australia
| | - Ahmed M. Radwan
- KU Leuven, Department of Imaging and Pathology, Translational MRI, Leuven, Belgium
| | - Hamed Akhlaghi
- Emergency Department, St. Vincent’s Hospital (Melbourne), Faculty of Health, Deakin University, Melbourne, Victoria, Australia
| | - Paul Beech
- Department of Radiology and Nuclear Medicine, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Peter H. Wilson
- Healthy Brain and Mind Research Centre, School of Behavioural, Health, and Human Sciences, Faculty of Health Sciences, Australian Catholic University, Fitzroy, Victoria, Australia
| | - Andrei Irimia
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
- Corwin D. Denney Research Center, Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA, USA
- Department of Quantitative and Computational Biology, Dana and David Dornsife College of Arts and Sciences, University of Southern California, Los Angeles, CA, USA
| | - Govinda Poudel
- Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, Victoria, Australia
| | - Juan F. Domínguez Duque
- Cognitive Neuroscience Unit, School of Psychology, Faculty of Health, Deakin University, Burwood, Victoria, Australia
| | - Karen Caeyenberghs
- Cognitive Neuroscience Unit, School of Psychology, Faculty of Health, Deakin University, Burwood, Victoria, Australia
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15
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Ma H, Qiu R, Zhang W, Chen X, Zhang L, Wang M. Association of PPP1R1B polymorphisms with working memory in healthy Han Chinese adults. Front Neurosci 2022; 16:989046. [PMID: 36440265 PMCID: PMC9685989 DOI: 10.3389/fnins.2022.989046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 10/10/2022] [Indexed: 11/11/2022] Open
Abstract
Aims The dopamine- and cAMP-regulated phosphoprotein (DARPP-32), which is encoded by the PPP1R1B gene, plays a converging regulatory role in the central nervous system by mediating the actions of dopamine, serotonin, and glutamate. Previous studies have demonstrated that variations in genes related to the dopamine system influence working memory. The present study thus investigated whether polymorphisms in PPP1R1B gene were associated with working memory. Materials and methods A sample of 124 healthy Han Chinese were genotyped for three single nucleotide polymorphisms of PPP1R1B gene, namely rs12601930C/T, rs879606A/G, and rs3764352A/G, using polymerase chain reaction and restriction fragment length polymorphism analysis. Working memory performance was assessed using the Wisconsin Card Sorting Test (WCST). Results Significant differences were observed in the Total Correct (TC), Total Errors (TE), and Conceptual Level Responses (CLR) scores of the WCST among the three rs12601930C/T genotypes (p = 0.044, 0.044, and 0.047, respectively); in TC, TE, Non-Perseverative Errors (NPE), and CLR scores between participants with the CC and (CT + TT) rs12601930C/T polymorphism genotypes (p = 0.032, 0.032, 0.019, and 0.029, respectively); in TC, TE, Perseverative Errors (PE), NPE, and CLR scores between participants with the (CT + CC) and TT rs12601930C/T polymorphism genotypes (p = 0.001, 0.001, 0.011, 0.004, and 0.001, respectively); and in NPE and CLR scores between participants with the GG and (AG + AA) genotypes of the rs3764352A/G polymorphism (p = 0.011 and 0.010). Furthermore, for males only, there were significant differences in TC, TE, PE, NPE, and CLR scores among the rs12601930C/T genotypes (p = 0.020, 0.020, 0.037, 0.029, and 0.014, respectively) and NPE and CLR scores among the rs3764352 genotypes (p = 0.045 and 0.042). Conclusion PPP1R1B gene polymorphisms rs12601930C/T and rs3764352A/G might be associated with working memory assessed by the WCST in healthy Chinese adults, especially among males.
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Affiliation(s)
- Hui Ma
- Hainan Provincial Institute of Mental Health, Hainan Provincial Anning Hospital, Haikou, Hainan, China
| | - Riyang Qiu
- Department of Precision Therapy, Shenzhen Kangning Hospital, Shenzhen, Guangdong, China
- Department of Precision Therapy, Shenzhen Mental Health Center, Shenzhen, Guangdong, China
| | - Wenya Zhang
- Department of Precision Therapy, Shenzhen Kangning Hospital, Shenzhen, Guangdong, China
- Department of Precision Therapy, Shenzhen Mental Health Center, Shenzhen, Guangdong, China
| | - Xiaohong Chen
- Department of Precision Therapy, Shenzhen Kangning Hospital, Shenzhen, Guangdong, China
- Department of Precision Therapy, Shenzhen Mental Health Center, Shenzhen, Guangdong, China
| | - Liguo Zhang
- Department of Psychiatry, The Third Hospital of Heilongjiang Province, Bei’an, Heilongjiang, China
| | - Man Wang
- Department of Precision Therapy, Shenzhen Kangning Hospital, Shenzhen, Guangdong, China
- Department of Precision Therapy, Shenzhen Mental Health Center, Shenzhen, Guangdong, China
- *Correspondence: Man Wang,
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16
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Abdullah AN, Ahmad AH, Zakaria R, Tamam S, Abd Hamid AI, Chai WJ, Omar H, Abdul Rahman MR, Fitzrol DN, Idris Z, Ghani ARI, Wan Mohamad WNA, Mustafar F, Hanafi MH, Reza MF, Umar H, Mohd Zulkifly MF, Ang SY, Zakaria Z, Musa KI, Othman A, Embong Z, Sapiai NA, Kandasamy R, Ibrahim H, Abdullah MZ, Amaruchkul K, Valdes-Sosa PA, Bringas Vega ML, Biswal B, Songsiri J, Yaacob HS, Sumari P, Noh NA, Azman A, Jamir Singh PS, Abdullah JM. Disruption of white matter integrity and its relationship with cognitive function in non-severe traumatic brain injury. Front Neurol 2022; 13:1011304. [PMID: 36303559 PMCID: PMC9592834 DOI: 10.3389/fneur.2022.1011304] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 09/23/2022] [Indexed: 11/30/2022] Open
Abstract
Background Impairment in cognitive function is a recognized outcome of traumatic brain injury (TBI). However, the degree of impairment has variable relationship with TBI severity and time post injury. The underlying pathology is often due to diffuse axonal injury that has been found even in mild TBI. In this study, we examine the state of white matter putative connectivity in patients with non-severe TBI in the subacute phase, i.e., within 10 weeks of injury and determine its relationship with neuropsychological scores. Methods We conducted a case-control prospective study involving 11 male adult patients with non-severe TBI and an age-matched control group of 11 adult male volunteers. Diffusion MRI scanning and neuropsychological tests were administered within 10 weeks post injury. The difference in fractional anisotropy (FA) values between the patient and control groups was examined using tract-based spatial statistics. The FA values that were significantly different between patients and controls were then correlated with neuropsychological tests in the patient group. Results Several clusters with peak voxels of significant FA reductions (p < 0.05) in the white matter skeleton were seen in patients compared to the control group. These clusters were located in the superior fronto-occipital fasciculus, superior longitudinal fasciculus, uncinate fasciculus, and cingulum, as well as white matter fibers in the area of genu of corpus callosum, anterior corona radiata, superior corona radiata, anterior thalamic radiation and part of inferior frontal gyrus. Mean global FA magnitude correlated significantly with MAVLT immediate recall scores while matrix reasoning scores correlated positively with FA values in the area of right superior fronto-occipital fasciculus and left anterior corona radiata. Conclusion The non-severe TBI patients had abnormally reduced FA values in multiple regions compared to controls that correlated with several measures of executive function during the sub-acute phase of TBI.
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Affiliation(s)
- Aimi Nadhiah Abdullah
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Asma Hayati Ahmad
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- *Correspondence: Asma Hayati Ahmad
| | - Rahimah Zakaria
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Sofina Tamam
- Faculty of Science and Technology, Universiti Sains Islam Malaysia, Nilai, Malaysia
| | - Aini Ismafairus Abd Hamid
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Wen Jia Chai
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Hazim Omar
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Muhammad Riddha Abdul Rahman
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Diana Noma Fitzrol
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Zamzuri Idris
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Abdul Rahman Izaini Ghani
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Wan Nor Azlen Wan Mohamad
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Faiz Mustafar
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Muhammad Hafiz Hanafi
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Mohamed Faruque Reza
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Hafidah Umar
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Mohd Faizal Mohd Zulkifly
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Song Yee Ang
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Zaitun Zakaria
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Kamarul Imran Musa
- Department of Community Medicine, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Azizah Othman
- Department of Pediatrics, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Zunaina Embong
- Department of Ophthalmology, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Nur Asma Sapiai
- Department of Radiology, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | | | - Haidi Ibrahim
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Nibong Tebal, Malaysia
| | - Mohd Zaid Abdullah
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Nibong Tebal, Malaysia
| | - Kannapha Amaruchkul
- Graduate School of Applied Statistics, National Institute of Development Administration (NIDA), Bangkok, Thailand
| | - Pedro Antonio Valdes-Sosa
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
- The Cuban Neurosciences Center, La Habana, Cuba
| | - Maria Luisa Bringas Vega
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
- The Cuban Neurosciences Center, La Habana, Cuba
| | - Bharat Biswal
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ, United States
| | - Jitkomut Songsiri
- EE410 Control Systems Laboratory, Department of Electrical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
| | - Hamwira Sakti Yaacob
- Department of Computer Science, Kulliyah of Information and Communication Technology, International Islamic University Malaysia, Kuala Lumpur, Malaysia
| | - Putra Sumari
- School of Computer Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | - Nor Azila Noh
- Faculty of Medicine and Health Sciences, Universiti Sains Islam Malaysia, Nilai, Malaysia
| | - Azlinda Azman
- School of Social Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | | | - Jafri Malin Abdullah
- Brain and Behaviour Cluster, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
- Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kota Bharu, Malaysia
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17
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Osmanlıoğlu Y, Parker D, Alappatt JA, Gugger JJ, Diaz-Arrastia RR, Whyte J, Kim JJ, Verma R. Connectomic assessment of injury burden and longitudinal structural network alterations in moderate-to-severe traumatic brain injury. Hum Brain Mapp 2022; 43:3944-3957. [PMID: 35486024 PMCID: PMC9374876 DOI: 10.1002/hbm.25894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/08/2022] [Accepted: 04/14/2022] [Indexed: 11/14/2022] Open
Abstract
Traumatic brain injury (TBI) is a major public health problem. Caused by external mechanical forces, a major characteristic of TBI is the shearing of axons across the white matter, which causes structural connectivity disruptions between brain regions. This diffuse injury leads to cognitive deficits, frequently requiring rehabilitation. Heterogeneity is another characteristic of TBI as severity and cognitive sequelae of the disease have a wide variation across patients, posing a big challenge for treatment. Thus, measures assessing network-wide structural connectivity disruptions in TBI are necessary to quantify injury burden of individuals, which would help in achieving personalized treatment, patient monitoring, and rehabilitation planning. Despite TBI being a disconnectivity syndrome, connectomic assessment of structural disconnectivity has been relatively limited. In this study, we propose a novel connectomic measure that we call network normality score (NNS) to capture the integrity of structural connectivity in TBI patients by leveraging two major characteristics of the disease: diffuseness of axonal injury and heterogeneity of the disease. Over a longitudinal cohort of moderate-to-severe TBI patients, we demonstrate that structural network topology of patients is more heterogeneous and significantly different than that of healthy controls at 3 months postinjury, where dissimilarity further increases up to 12 months. We also show that NNS captures injury burden as quantified by posttraumatic amnesia and that alterations in the structural brain network is not related to cognitive recovery. Finally, we compare NNS to major graph theory measures used in TBI literature and demonstrate the superiority of NNS in characterizing the disease.
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Affiliation(s)
- Yusuf Osmanlıoğlu
- Department of Computer Science, College of Computing and Informatics, Drexel University, Philadelphia, Pennsylvania, USA
| | - Drew Parker
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jacob A Alappatt
- Speech and hearing, bioscience and technology program, Harvard Medical School, Harvard University, Boston, MA, USA
| | - James J Gugger
- Department of Neurology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ramon R Diaz-Arrastia
- Department of Neurology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Center for Brain Injury and Repair, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - John Whyte
- Moss Rehabilitation Research Institute, TBI Rehabilitation Research LaboratoryEinstein Medical Center, Elkins Park, Pennsylvania, USA
| | - Junghoon J Kim
- Department of Molecular, Cellular, and Biomedical Sciences, CUNY School of Medicine, The City College of New York, New York, New York, USA
| | - Ragini Verma
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Center for Brain Injury and Repair, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Department of Neurosurgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania, USA
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18
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Ibitoye RT, Castro P, Cooke J, Allum J, Arshad Q, Murdin L, Wardlaw J, Kaski D, Sharp DJ, Bronstein AM. A link between frontal white matter integrity and dizziness in cerebral small vessel disease. Neuroimage Clin 2022; 35:103098. [PMID: 35772195 PMCID: PMC9253455 DOI: 10.1016/j.nicl.2022.103098] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 05/30/2022] [Accepted: 06/21/2022] [Indexed: 11/18/2022]
Abstract
Idiopathic dizziness in older people is associated with more vascular risk. Idiopathic dizziness is also associated with impaired balance and cognition. These findings co-occur with more frontal markers of cerebral small vessel disease. Small vessel disease may contribute to dizziness through its effects on balance.
One in three older people (>60 years) complain of dizziness which often remains unexplained despite specialist assessment. We investigated if dizziness was associated with vascular injury to white matter tracts relevant to balance or vestibular self-motion perception in sporadic cerebral small vessel disease (age-related microangiopathy). We prospectively recruited 38 vestibular clinic patients with idiopathic (unexplained) dizziness and 36 age-matched asymptomatic controls who underwent clinical, cognitive, balance, gait and vestibular assessments, and structural and diffusion brain MRI. Patients had more vascular risk factors, worse balance, worse executive cognitive function, and worse ankle vibration thresholds in association with greater white matter hyperintensity in frontal deep white matter, and lower fractional anisotropy in the genu of the corpus callosum and the right inferior longitudinal fasciculus. A large bihemispheric white matter network had less structural connectivity in patients. Reflex and perceptual vestibular function was similar in patients and controls. Our results suggest cerebral small vessel disease is involved in the genesis of dizziness through its effect on balance.
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Affiliation(s)
- Richard T Ibitoye
- Neuro-otology Unit, Imperial College London, London, UK; The Computational, Cognitive and Clinical Neuroimaging Laboratory (C3NL), Imperial College London, London, UK
| | | | - Josie Cooke
- Neuro-otology Unit, Imperial College London, London, UK
| | - John Allum
- Department of Otorhinolaryngology (ORL), University Hospital Basel, Basel, Switzerland
| | - Qadeer Arshad
- inAmind Laboratory, Department of Neuroscience, Psychology and Behaviour, University of Leicester, Leicester, UK
| | - Louisa Murdin
- Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Joanna Wardlaw
- Centre for Clinical Brain Sciences, UK Dementia Research Institute, The University of Edinburgh, UK
| | - Diego Kaski
- Neuro-otology Unit, Imperial College London, London, UK; Department of Clinical and Movement Neurosciences, University College London, London, UK
| | - David J Sharp
- The Computational, Cognitive and Clinical Neuroimaging Laboratory (C3NL), Imperial College London, London, UK
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19
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Hampshire A, Chatfield DA, MPhil AM, Jolly A, Trender W, Hellyer PJ, Giovane MD, Newcombe VF, Outtrim JG, Warne B, Bhatti J, Pointon L, Elmer A, Sithole N, Bradley J, Kingston N, Sawcer SJ, Bullmore ET, Rowe JB, Menon DK. Multivariate profile and acute-phase correlates of cognitive deficits in a COVID-19 hospitalised cohort. EClinicalMedicine 2022; 47:101417. [PMID: 35505938 PMCID: PMC9048584 DOI: 10.1016/j.eclinm.2022.101417] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 03/29/2022] [Accepted: 04/07/2022] [Indexed: 02/02/2023] Open
Abstract
Background Preliminary evidence has highlighted a possible association between severe COVID-19 and persistent cognitive deficits. Further research is required to confirm this association, determine whether cognitive deficits relate to clinical features from the acute phase or to mental health status at the point of assessment, and quantify rate of recovery. Methods 46 individuals who received critical care for COVID-19 at Addenbrooke's hospital between 10th March 2020 and 31st July 2020 (16 mechanically ventilated) underwent detailed computerised cognitive assessment alongside scales measuring anxiety, depression and post-traumatic stress disorder under supervised conditions at a mean follow up of 6.0 (± 2.1) months following acute illness. Patient and matched control (N = 460) performances were transformed into standard deviation from expected scores, accounting for age and demographic factors using N = 66,008 normative datasets. Global accuracy and response time composites were calculated (G_SScore & G_RT). Linear modelling predicted composite score deficits from acute severity, mental-health status at assessment, and time from hospital admission. The pattern of deficits across tasks was qualitatively compared with normal age-related decline, and early-stage dementia. Findings COVID-19 survivors were less accurate (G_SScore=-0.53SDs) and slower (G_RT=+0.89SDs) in their responses than expected compared to their matched controls. Acute illness, but not chronic mental health, significantly predicted cognitive deviation from expected scores (G_SScore (p=0.0037) and G_RT (p = 0.0366)). The most prominent task associations with COVID-19 were for higher cognition and processing speed, which was qualitatively distinct from the profiles of normal ageing and dementia and similar in magnitude to the effects of ageing between 50 and 70 years of age. A trend towards reduced deficits with time from illness (r∼=0.15) did not reach statistical significance. Interpretation Cognitive deficits after severe COVID-19 relate most strongly to acute illness severity, persist long into the chronic phase, and recover slowly if at all, with a characteristic profile highlighting higher cognitive functions and processing speed. Funding This work was funded by the National Institute for Health Research (NIHR) Cambridge Biomedical Research Centre (BRC), NIHR Cambridge Clinical Research Facility (BRC-1215-20014), the Addenbrooke's Charities Trust and NIHR COVID-19 BioResource RG9402. AH is funded by the UK Dementia Research Institute Care Research and Technology Centre and Imperial College London Biomedical Research Centre. ETB and DKM are supported by NIHR Senior Investigator awards. JBR is supported by the Wellcome Trust (220258) and Medical Research Council (SUAG/051 G101400). VFJN is funded by an Academy of Medical Sciences/ The Health Foundation Clinician Scientist Fellowship. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR or the Department of Health and Social Care.
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Affiliation(s)
- Adam Hampshire
- UK DRI Care Research and Technology Centre, Department of Brain Sciences, Imperial College London, United Kingdom
| | - Doris A. Chatfield
- Cambridge University Hospitals National Health Service Foundation Trust, United Kingdom
| | - Anne Manktelow MPhil
- Cambridge University Hospitals National Health Service Foundation Trust, United Kingdom
| | - Amy Jolly
- UK DRI Care Research and Technology Centre, Department of Brain Sciences, Imperial College London, United Kingdom
| | - William Trender
- UK DRI Care Research and Technology Centre, Department of Brain Sciences, Imperial College London, United Kingdom
| | - Peter J. Hellyer
- UK DRI Care Research and Technology Centre, Department of Brain Sciences, Imperial College London, United Kingdom
| | - Martina Del Giovane
- UK DRI Care Research and Technology Centre, Department of Brain Sciences, Imperial College London, United Kingdom
| | | | - Joanne G. Outtrim
- Cambridge University Hospitals National Health Service Foundation Trust, United Kingdom
| | - Ben Warne
- Cambridge University Hospitals National Health Service Foundation Trust, United Kingdom
| | - Junaid Bhatti
- Department of Psychiatry, University of Cambridge, United Kingdom
| | - Linda Pointon
- Department of Psychiatry, University of Cambridge, United Kingdom
| | - Anne Elmer
- National Institute for Health Research Cambridge Clinical Research Facility, Cambridge University Hospitals National Health Service Foundation Trust, United Kingdom
| | - Nyarie Sithole
- Cambridge University Hospitals National Health Service Foundation Trust, United Kingdom
- Division of Infectious Diseases, Department of Medicine, University of Cambridge, United Kingdom
| | - John Bradley
- Cambridge University Hospitals National Health Service Foundation Trust, United Kingdom
- Department of Medicine, University of Cambridge, United Kingdom
- National Institute for Health Research Cambridge BioResource, United Kingdom
| | - Nathalie Kingston
- National Institute for Health Research COVID-19 BioResource, United Kingdom
| | - Stephen J. Sawcer
- Department of Clinical Neurosciences, and Medical Research Council Cognition and Brain Sciences Unit, University of Cambridge, United Kingdom
| | - Edward T. Bullmore
- Wolfson Brain Imaging Centre, Department of Clinical Neurosciences, University of Cambridge, United Kingdom
- Department of Psychiatry, University of Cambridge, United Kingdom
- Cambridgeshire and Peterborough National Health Service Foundation Trust, United Kingdom
| | - James B. Rowe
- Wolfson Brain Imaging Centre, Department of Clinical Neurosciences, University of Cambridge, United Kingdom
- Department of Psychiatry, University of Cambridge, United Kingdom
- Department of Clinical Neurosciences, and Medical Research Council Cognition and Brain Sciences Unit, University of Cambridge, United Kingdom
| | - David K. Menon
- Cambridge University Hospitals National Health Service Foundation Trust, United Kingdom
- Wolfson Brain Imaging Centre, Department of Clinical Neurosciences, University of Cambridge, United Kingdom
- Division of Anaesthesia, Department of Medicine, University of Cambridge
| | - the Cambridge NeuroCOVID Group, the NIHR COVID-19 BioResource, and Cambridge NIHR Clinical Research Facility
- UK DRI Care Research and Technology Centre, Department of Brain Sciences, Imperial College London, United Kingdom
- Cambridge University Hospitals National Health Service Foundation Trust, United Kingdom
- Wolfson Brain Imaging Centre, Department of Clinical Neurosciences, University of Cambridge, United Kingdom
- Department of Psychiatry, University of Cambridge, United Kingdom
- National Institute for Health Research Cambridge Clinical Research Facility, Cambridge University Hospitals National Health Service Foundation Trust, United Kingdom
- Division of Infectious Diseases, Department of Medicine, University of Cambridge, United Kingdom
- Department of Medicine, University of Cambridge, United Kingdom
- National Institute for Health Research Cambridge BioResource, United Kingdom
- Department of Clinical Neurosciences, and Medical Research Council Cognition and Brain Sciences Unit, University of Cambridge, United Kingdom
- Cambridgeshire and Peterborough National Health Service Foundation Trust, United Kingdom
- Division of Anaesthesia, Department of Medicine, University of Cambridge
- National Institute for Health Research COVID-19 BioResource, United Kingdom
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20
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Ma W, Xu D, Zhao L, Yuan M, Cui YL, Li Y. Therapeutic role of curcumin in adult neurogenesis for management of psychiatric and neurological disorders: a scientometric study to an in-depth review. Crit Rev Food Sci Nutr 2022; 63:9379-9391. [PMID: 35482938 DOI: 10.1080/10408398.2022.2067827] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Aberrant neurogenesis is a major factor in psychiatric and neurological disorders that have significantly attracted the attention of neuroscientists. Curcumin is a primary constituent of curcuminoid that exerts several positive pharmacological effects on aberrant neurogenesis. First, it is important to understand the different processes of neurogenesis, and whether their dysfunction promotes etiology as well as the development of many psychiatric and neurological disorders; then investigate mechanisms by which curcumin affects neurogenesis as an active participant in pathophysiological events. Based on scientometric studies and additional extensive research, we explore the mechanisms by which curcumin regulates adult neurogenesis and in turn affects psychiatric diseases, i.e., depression and neurological disorders among them traumatic brain injury (TBI), stroke, Alzheimer's disease (AD), Gulf War Illness (GWI) and Fragile X syndrome (FXS). This review aims to elucidate the therapeutic effects and mechanisms of curcumin on adult neurogenesis in various psychiatric and neurological disorders. Specifically, we discuss the regulatory role of curcumin in different activities of neural stem cells (NSCs), including proliferation, differentiation, and migration of NSCs. This is geared toward providing novel application prospects of curcumin in treating psychiatric and neurological disorders by regulating adult neurogenesis.
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Affiliation(s)
- Wenxin Ma
- State Key Laboratory of Component-Based Chinese Medicine, Ministry of Education Key Laboratory of Pharmacology of Traditional Chinese Medicine Formulae, Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Dong Xu
- State Key Laboratory of Component-Based Chinese Medicine, Ministry of Education Key Laboratory of Pharmacology of Traditional Chinese Medicine Formulae, Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Lucy Zhao
- Wolfson Centre for Age-Related Diseases, King's College London, London, UK
| | - Mengmeng Yuan
- State Key Laboratory of Component-Based Chinese Medicine, Ministry of Education Key Laboratory of Pharmacology of Traditional Chinese Medicine Formulae, Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yuan-Lu Cui
- State Key Laboratory of Component-Based Chinese Medicine, Ministry of Education Key Laboratory of Pharmacology of Traditional Chinese Medicine Formulae, Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yue Li
- State Key Laboratory of Component-Based Chinese Medicine, Ministry of Education Key Laboratory of Pharmacology of Traditional Chinese Medicine Formulae, Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
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21
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Baker CE, Martin P, Wilson MH, Ghajari M, Sharp DJ. The relationship between road traffic collision dynamics and traumatic brain injury pathology. Brain Commun 2022; 4:fcac033. [PMID: 35291690 PMCID: PMC8914876 DOI: 10.1093/braincomms/fcac033] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/15/2021] [Accepted: 02/10/2022] [Indexed: 11/13/2022] Open
Abstract
Road traffic collisions are a major cause of traumatic brain injury. However, the relationship between road traffic collision dynamics and traumatic brain injury risk for different road users is unknown. We investigated 2065 collisions from Great Britain's Road Accident In-depth Studies collision database involving 5374 subjects (2013-20). Five hundred and ninety-five subjects sustained a traumatic brain injury (20.2% of 2940 casualties), including 315 moderate-severe and 133 mild-probable injuries. Key pathologies included skull fracture (179, 31.9%), subarachnoid haemorrhage (171, 30.5%), focal brain injury (168, 29.9%) and subdural haematoma (96, 17.1%). These results were extended nationally using >1 000 000 police-reported collision casualties. Extrapolating from the in-depth data we estimate that there are ∼20 000 traumatic brain injury casualties (∼5000 moderate-severe) annually on Great Britain's roads, accounting for severity differences. Detailed collision investigation allows vehicle collision dynamics to be understood and the change in velocity (known as delta-V) to be estimated for a subset of in-depth collision data. Higher delta-V increased the risk of moderate-severe brain injury for all road users. The four key pathologies were not observed below 8 km/h delta-V for pedestrians/cyclists and 19 km/h delta-V for car occupants (higher delta-V threshold for focal injury in both groups). Traumatic brain injury risk depended on road user type, delta-V and impact direction. Accounting for delta-V, pedestrians/cyclists had a 6-times higher likelihood of moderate-severe brain injury than car occupants. Wearing a cycle helmet during a collision was protective against overall and mild-to-moderate-to-severe brain injury, particularly skull fracture and subdural haematoma. Cycle helmet protection was not due to travel or impact speed differences between helmeted and non-helmeted cyclist groups. We additionally examined the influence of the delta-V direction. Car occupants exposed to a higher lateral delta-V component had a greater prevalence of moderate-severe brain injury, particularly subarachnoid haemorrhage. Multivariate logistic regression models created using total delta-V value and whether lateral delta-V was dominant had the best prediction capabilities (area under the receiver operator curve as high as 0.95). Collision notification systems are routinely fitted in new cars. These record delta-V and automatically alert emergency services to a collision in real-time. These risk relationships could, therefore, inform how routinely fitted automatic collision notification systems alert the emergency services to collisions with a high brain injury risk. Early notification of high-risk scenarios would enable quicker activation of the highest level of emergency service response. Identifying those that require neurosurgical care and ensuring they are transported directly to a centre with neuro-specialist provisions could improve patient outcomes.
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Affiliation(s)
- Claire E. Baker
- Centre for Neurotechnology, Imperial College
London, South Kensington Campus, London SW7 2AZ, UK
- HEAD Lab, Dyson School of Design Engineering,
Imperial College London, South Kensington Campus, SW7 2AZ,
UK
- TRL, Crowthorne House, Nine Mile Ride,
Wokingham, Berkshire, RG40 3GA, UK
| | - Phil Martin
- TRL, Crowthorne House, Nine Mile Ride,
Wokingham, Berkshire, RG40 3GA, UK
| | - Mark H. Wilson
- Imperial College London Saint Mary Campus, St
Mary’s Hospital, Praed Street, London W2 1NY, UK
| | - Mazdak Ghajari
- HEAD Lab, Dyson School of Design Engineering,
Imperial College London, South Kensington Campus, SW7 2AZ,
UK
| | - David J. Sharp
- Department of Brain Sciences, Imperial College
London, 86 Wood Lane, W12 0BZ, UK
- UK Dementia Research Institute, Care Research
& Technology Centre, Sir Michael Uren Hub, Imperial College
London, 86 Wood Lane, London W12 0BZ, UK
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22
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Xu H, Tao Y, Zhu P, Li D, Zhang M, Bai G, Yin B. Restoration of aberrant shape of caudate sub-regions associated with cognitive function improvement in mild traumatic brain injury. J Neurotrauma 2022; 39:348-357. [PMID: 35019763 DOI: 10.1089/neu.2021.0426] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Mild traumatic brain injury (mTBI) is an important but less recognized public health concern. Research shows that altered subcortical structures mediate cognitive impairment in patients with mTBI. This has been performed mostly using voxel-based morphometry methods and traditional volume measurement methods, which have certain limitations. In this study, we conducted a vertex-wise shape analysis to understand the aberrant patterns of caudate sub-regions and recovery from mTBI. The study involved 36 mTBI patients and 34 matched healthy controls (HCs) observed at seven-days (acute phase) and followed-up for one-month (subacute phase) post-injury. Different aberrant shapes of the caudate sub-regions were observed at acute phase, which revealed atrophy in the bilateral dorsal medial caudate, and increase in the size of the right ventral anterior caudate in mTBI patients related to HCs. Moreover, specific and significant shape restoration of right dorsal medial caudate in mTBI was observed at subacute phase, which significantly associated with the cognitive function improvement of the patients. These findings suggest that the restoration of the aberrant shape atrophy of right dorsal medial caudate plays a vital role in the improvement of cognitive function of mTBI patients, providing an alternative clinical target for these patients.
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Affiliation(s)
- Hui Xu
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Department of Neurosurgery, Wenzhou, China.,McMaster University, 3710, Department of Psychiatry and Behavioural Neurosciences,, Hamilton, Ontario, Canada;
| | - Yin Tao
- McMaster University, 3710, Department of Psychiatry and Behavioural Neurosciences,, Hamilton, Ontario, Canada.,Xi'an Jiaotong University School of Life Science and Technology, 529492, he Key Laboratory of Biomedical Information Engineering, Ministry of Education, Department of Biomedical Engineering, Xi'an, Shaanxi, China;
| | - Pingyi Zhu
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Department of Radiology, Wenzhou, China;
| | - Dandong Li
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Department of Neurosurgery, Wenzhou, China;
| | - Ming Zhang
- Xi'an Jiaotong University Medical College First Affiliated Hospital Department of Medical Imaging, 535072, Xi'an, Shaanxi, China;
| | - Guanghui Bai
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Department of Radiology, Wenzhou, China;
| | - Bo Yin
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Department of Neurosurgery, Wenzhou, China;
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23
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Spironelli C, Borella E. Working Memory Training and Cortical Arousal in Healthy Older Adults: A Resting-State EEG Pilot Study. Front Aging Neurosci 2021; 13:718965. [PMID: 34744685 PMCID: PMC8568069 DOI: 10.3389/fnagi.2021.718965] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 09/20/2021] [Indexed: 01/10/2023] Open
Abstract
The current pilot study aimed to test the gains of working memory (WM) training, both at the short- and long-term, at a behavioral level, and by examining the electrophysiological changes induced by training in resting-state EEG activity among older adults. The study group included 24 older adults (from 64 to 75 years old) who were randomly assigned to a training group (TG) or an active control group (ACG) in a double-blind, repeated-measures experimental design in which open eyes, resting-state EEG recording, followed by a WM task, i.e., the Categorization Working Memory Span (CWMS) task, were collected before and after training, as well as at a 6-month follow-up session. At the behavioral level, medium to large Cohen's d effect sizes was found for the TG in immediate and long-term gains in the WM criterion task, as compared with small gains for the ACG. Regarding intrusion errors committed in the CWMS, an index of inhibitory control representing a transfer effect, results showed that medium to large effect sizes for immediate and long-term gains emerged for the TG, as compared to small effect sizes for the ACG. Spontaneous high-beta/alpha ratio analyses in four regions of interest (ROIs) revealed no pre-training group differences. Significantly greater TG anterior rates, particularly in the left ROI, were found after training, with frontal oscillatory responses being correlated with better post-training CWMS performance in only the TG. The follow-up analysis showed similar results, with greater anterior left high-beta/alpha rates among TG participants. Follow-up frontal high-beta/alpha rates in the right ROI were correlated with lower CWMS follow-up intrusion errors in only the TG. The present findings are further evidence of the efficacy of WM training in enhancing the cognitive functioning of older adults and their frontal oscillatory activity. Overall, these results suggested that WM training also can be a promising approach toward fostering the so-called functional cortical plasticity in aging.
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Affiliation(s)
- Chiara Spironelli
- Department of General Psychology, University of Padova, Padova, Italy.,Padova Neuroscience Center, University of Padova, Padova, Italy
| | - Erika Borella
- Department of General Psychology, University of Padova, Padova, Italy
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24
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Cao M, Halperin JM, Li X. Abnormal Functional Network Topology and Its Dynamics during Sustained Attention Processing Significantly Implicate Post-TBI Attention Deficits in Children. Brain Sci 2021; 11:brainsci11101348. [PMID: 34679412 PMCID: PMC8533973 DOI: 10.3390/brainsci11101348] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 11/26/2022] Open
Abstract
Traumatic brain injury (TBI) is highly prevalent in children. Attention deficits are among the most common and persistent post-TBI cognitive and behavioral sequalae that can contribute to adverse outcomes. This study investigated the topological properties of the functional brain network for sustained attention processing and their dynamics in 42 children with severe post-TBI attention deficits (TBI-A) and 47 matched healthy controls. Functional MRI data during a block-designed sustained attention task was collected for each subject, with each full task block further divided into the pre-, early, late-, and post-stimulation stages. The task-related functional brain network was constructed using the graph theoretic technique. Then, the sliding-window-based method was utilized to assess the dynamics of the topological properties in each stimulation stage. Relative to the controls, the TBI-A group had significantly reduced nodal efficiency and/or degree of left postcentral, inferior parietal, inferior temporal, and fusiform gyri and their decreased stability during the early and late-stimulation stages. The left postcentral inferior parietal network anomalies were found to be significantly associated with elevated inattentive symptoms in children with TBI-A. These results suggest that abnormal functional network characteristics and their dynamics associated with the left parietal lobe may significantly link to the onset of the severe post-TBI attention deficits in children.
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Affiliation(s)
- Meng Cao
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA;
| | - Jeffery M. Halperin
- Department of Psychology, Queens College, City University of New York, New York, NY 11367, USA;
| | - Xiaobo Li
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA;
- Correspondence: ; Tel.: +1-973-596-5880
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25
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Hampshire A, Trender W, Chamberlain SR, Jolly AE, Grant JE, Patrick F, Mazibuko N, Williams SCR, Barnby JM, Hellyer P, Mehta MA. Cognitive deficits in people who have recovered from COVID-19. EClinicalMedicine 2021; 39:101044. [PMID: 34316551 PMCID: PMC8298139 DOI: 10.1016/j.eclinm.2021.101044] [Citation(s) in RCA: 302] [Impact Index Per Article: 100.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/06/2021] [Accepted: 07/12/2021] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND There is growing concern about possible cognitive consequences of COVID-19, with reports of 'Long COVID' symptoms persisting into the chronic phase and case studies revealing neurological problems in severely affected patients. However, there is little information regarding the nature and broader prevalence of cognitive problems post-infection or across the full spread of disease severity. METHODS We sought to confirm whether there was an association between cross-sectional cognitive performance data from 81,337 participants who between January and December 2020 undertook a clinically validated web-optimized assessment as part of the Great British Intelligence Test, and questionnaire items capturing self-report of suspected and confirmed COVID-19 infection and respiratory symptoms. FINDINGS People who had recovered from COVID-19, including those no longer reporting symptoms, exhibited significant cognitive deficits versus controls when controlling for age, gender, education level, income, racial-ethnic group, pre-existing medical disorders, tiredness, depression and anxiety. The deficits were of substantial effect size for people who had been hospitalised (N = 192), but also for non-hospitalised cases who had biological confirmation of COVID-19 infection (N = 326). Analysing markers of premorbid intelligence did not support these differences being present prior to infection. Finer grained analysis of performance across sub-tests supported the hypothesis that COVID-19 has a multi-domain impact on human cognition. INTERPRETATION Interpretation. These results accord with reports of 'Long Covid' cognitive symptoms that persist into the early-chronic phase. They should act as a clarion call for further research with longitudinal and neuroimaging cohorts to plot recovery trajectories and identify the biological basis of cognitive deficits in SARS-COV-2 survivors. FUNDING Funding. AH is supported by the UK Dementia Research Institute Care Research and Technology Centre and Biomedical Research Centre at Imperial College London. WT is supported by the EPSRC Centre for Doctoral Training in Neurotechnology. SRC is funded by a Wellcome Trust Clinical Fellowship 110,049/Z/15/Z. JMB is supported by Medical Research Council (MR/N013700/1). MAM, SCRW and PJH are, in part, supported by the National Institute for Health Research (NIHR) Biomedical Research Centre at South London and Maudsley NHS Foundation Trust and King's College London.
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Affiliation(s)
- Adam Hampshire
- Department of Brain Sciences, Dementia Research Institute Care Research and Technology Centre, Imperial College London, 926, Sir Michael Uren Hub 86 Wood Lane, London, W12 0BZ
| | - William Trender
- Department of Brain Sciences, Dementia Research Institute Care Research and Technology Centre, Imperial College London, 926, Sir Michael Uren Hub 86 Wood Lane, London, W12 0BZ
| | - Samuel R Chamberlain
- Department of Psychiatry, University of Southampton, United Kingdom
- Department of Psychiatry, University of Cambridge, United Kingdom
| | - Amy E. Jolly
- Department of Brain Sciences, Dementia Research Institute Care Research and Technology Centre, Imperial College London, 926, Sir Michael Uren Hub 86 Wood Lane, London, W12 0BZ
| | - Jon E. Grant
- Department of Psychiatry, University of Chicago, United States
| | - Fiona Patrick
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - Ndaba Mazibuko
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - Steve CR Williams
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - Joseph M Barnby
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - Peter Hellyer
- Department of Brain Sciences, Dementia Research Institute Care Research and Technology Centre, Imperial College London, 926, Sir Michael Uren Hub 86 Wood Lane, London, W12 0BZ
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - Mitul A Mehta
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
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26
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Abstract
PURPOSE OF REVIEW Recovery after severe brain injury is variable and challenging to accurately predict at the individual patient level. This review highlights new developments in clinical prognostication with a special focus on the prediction of consciousness and increasing reliance on methods from data science. RECENT FINDINGS Recent research has leveraged serum biomarkers, quantitative electroencephalography, MRI, and physiological time-series to build models for recovery prediction. The analysis of high-resolution data and the integration of features from different modalities can be approached with efficient computational techniques. SUMMARY Advances in neurophysiology and neuroimaging, in combination with computational methods, represent a novel paradigm for prediction of consciousness and functional recovery after severe brain injury. Research is needed to produce reliable, patient-level predictions that could meaningfully impact clinical decision making.
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27
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Quantitative multimodal imaging in traumatic brain injuries producing impaired cognition. Curr Opin Neurol 2021; 33:691-698. [PMID: 33027143 DOI: 10.1097/wco.0000000000000872] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Cognitive impairments are a devastating long-term consequence following traumatic brain injury (TBI). This review provides an update on the quantitative mutimodal neuroimaging studies that attempt to elucidate the mechanism(s) underlying cognitive impairments and their recovery following TBI. RECENT FINDINGS Recent studies have linked individual specific behavioural impairments and their changes over time to physiological activity and structural changes using EEG, PET and MRI. Multimodal studies that combine measures of physiological activity with knowledge of neuroanatomical and connectivity damage have also illuminated the multifactorial function-structure relationships that underlie impairment and recovery following TBI. SUMMARY The combined use of multiple neuroimaging modalities, with focus on individual longitudinal studies, has the potential to accurately classify impairments, enhance sensitivity of prognoses, inform targets for interventions and precisely track spontaneous and intervention-driven recovery.
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28
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Cao M, Luo Y, Wu Z, Mazzola CA, Catania L, Alvarez TL, Halperin JM, Biswal B, Li X. Topological Aberrance of Structural Brain Network Provides Quantitative Substrates of Post-Traumatic Brain Injury Attention Deficits in Children. Brain Connect 2021; 11:651-662. [PMID: 33765837 DOI: 10.1089/brain.2020.0866] [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] [Indexed: 11/12/2022] Open
Abstract
Background: Traumatic brain injury (TBI)-induced attention deficits are among the most common long-term cognitive consequences in children. Most of the existing studies attempting to understand the neuropathological underpinnings of cognitive and behavioral impairments in TBI have utilized heterogeneous samples and resulted in inconsistent findings. The current research proposed to investigate topological properties of the structural brain network in children with TBI and their relationship with post-TBI attention problems in a more homogeneous subgroup of children who had severe post-TBI attention deficits (TBI-A). Materials and Methods: A total of 31 children with TBI-A and 35 group-matched controls were involved in the study. Diffusion tensor imaging-based probabilistic tractography and graph theoretical techniques were used to construct the structural brain network in each subject. Network topological properties were calculated in both global level and regional (nodal) level. Between-group comparisons among the topological network measures and analyses for searching brain-behavioral were all corrected for multiple comparisons using Bonferroni method. Results: Compared with controls, the TBI-A group showed significantly higher nodal local efficiency and nodal clustering coefficient in left inferior frontal gyrus and right transverse temporal gyrus, whereas significantly lower nodal clustering coefficient in left supramarginal gyrus and lower nodal local efficiency in left parahippocampal gyrus. The temporal lobe topological alterations were significantly associated with the post-TBI inattentive and hyperactive symptoms in the TBI-A group. Conclusion: The results suggest that TBI-related structural re-modularity in the white matter subnetworks associated with temporal lobe may play a critical role in the onset of severe post-TBI attention deficits in children. These findings provide valuable input for understanding the neurobiological substrates of post-TBI attention deficits, and have the potential to serve as quantitatively measurable criteria guiding the development of more timely and tailored strategies for diagnoses and treatments to the affected individuals. Impact statement This study provides a new insight into the neurobiological substrates associated with post-traumatic brain injury attention deficits (TBI-A) in children, by evaluating topological alterations of the structural brain network. The results demonstrated that relative to group-matched controls, the children with TBI-A had significantly altered nodal local efficiency and nodal clustering coefficient in temporal lobe, which strongly linked to elevated inattentive and hyperactive symptoms in the TBI-A group. These findings suggested that white matter structural re-modularity in subnetworks associated with temporal lobe may serve as quantitatively measurable biomarkers for early prediction and diagnosis of post-TBI attention deficits in children.
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Affiliation(s)
- Meng Cao
- Department of Biomedical Engineering and New Jersey Institute of Technology, Newark, New Jersey, USA
| | - Yuyang Luo
- Department of Biomedical Engineering and New Jersey Institute of Technology, Newark, New Jersey, USA
| | - Ziyan Wu
- Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, New Jersey, USA
| | | | - Lori Catania
- North Jersey Neurodevelopmental Center, North Haledon, New Jersey, USA
| | - Tara L Alvarez
- Department of Biomedical Engineering and New Jersey Institute of Technology, Newark, New Jersey, USA
| | - Jeffrey M Halperin
- Department of Psychology, Queens College, City University of New York, New York, New York, USA
| | - Bharat Biswal
- Department of Biomedical Engineering and New Jersey Institute of Technology, Newark, New Jersey, USA
| | - Xiaobo Li
- Department of Biomedical Engineering and New Jersey Institute of Technology, Newark, New Jersey, USA.,Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, New Jersey, USA
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29
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Sun Y, Wang S, Gan S, Niu X, Yin B, Bai G, Yang X, Jia X, Bai L, Zhang M. Serum Neuron-Specific Enolase Levels Associated with Connectivity Alterations in Anterior Default Mode Network after Mild Traumatic Brain Injury. J Neurotrauma 2021; 38:1495-1505. [PMID: 33687275 DOI: 10.1089/neu.2020.7372] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Mild traumatic brain injury (mTBI) is the most prevalent neurological insult and leads to long-lasting cognitive impairment. Neuroimaging studies have discovered abnormalities in brain network connectivity following mTBI as the underlying neural basis of cognitive deficits. However, the pathophysiologic mechanisms involved in imaging alterations remain elusive. Proteins neuron-specific enolase (NSE) and ubiquitin C terminal hydrolase 1 are reliable markers for neuronal cell-body damage, both of which have been demonstrated to be increased in serum following mTBI. Therefore, we conducted a longitudinal study to examine relationships between abnormal brain network connectivity and serum neuronal biomarkers and their associations with cognitive recovery following mTBI. Sixty patients were followed-up at 1 week and 3 months post-injury and 41 controls were recruited. Resting-state functional magnetic resonance imaging was used to build a functional connectivity matrix within large-scale intrinsic networks, and their topological properties were analyzed using graph theory measures. We found that, compared with controls, mTBI patients showed significant decreases in a number of nodal characteristics in default mode network (DMN), salience network, and executive network (p < 0.05, false discovery rate corrected) at 3 months post-injury. Linear regression analysis found elevated serum NSE in acute phase could predict lower efficiency and degree centrality of anterior DMN at 3 months post-injury. In addition, efficiency and degree centrality of anterior DMN were negatively associated with working memory. Our study showed neuronal injury was associated with alterations in brain network connectivity after mTBI. These findings can facilitate capability to predict the brain functional outcomes and cognitive recovery in mTBI.
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Affiliation(s)
- Yingxiang Sun
- Department of Medical Imaging, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Shan Wang
- Department of Biomedical Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Shuoqiu Gan
- Department of Medical Imaging, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Department of Biomedical Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Xuan Niu
- Department of Medical Imaging, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Bo Yin
- Department of Neurosurgery, Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Guanghui Bai
- Department of Radiology, Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xuefei Yang
- Department of Biomedical Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Xiaoyan Jia
- Department of Biomedical Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Lijun Bai
- Department of Biomedical Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Ming Zhang
- Department of Medical Imaging, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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30
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Soreq E, Violante IR, Daws RE, Hampshire A. Neuroimaging evidence for a network sampling theory of individual differences in human intelligence test performance. Nat Commun 2021; 12:2072. [PMID: 33824305 PMCID: PMC8024400 DOI: 10.1038/s41467-021-22199-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 02/25/2021] [Indexed: 01/07/2023] Open
Abstract
Despite a century of research, it remains unclear whether human intelligence should be studied as one dominant, several major, or many distinct abilities, and how such abilities relate to the functional organisation of the brain. Here, we combine psychometric and machine learning methods to examine in a data-driven manner how factor structure and individual variability in cognitive-task performance relate to dynamic-network connectomics. We report that 12 sub-tasks from an established intelligence test can be accurately multi-way classified (74%, chance 8.3%) based on the network states that they evoke. The proximities of the tasks in behavioural-psychometric space correlate with the similarities of their network states. Furthermore, the network states were more accurately classified for higher relative to lower performing individuals. These results suggest that the human brain uses a high-dimensional network-sampling mechanism to flexibly code for diverse cognitive tasks. Population variability in intelligence test performance relates to the fidelity of expression of these task-optimised network states.
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Affiliation(s)
- Eyal Soreq
- The Computational, Cognitive and Clinical Neuroimaging Laboratory, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK.
| | - Ines R Violante
- School of Psychology, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Richard E Daws
- The Computational, Cognitive and Clinical Neuroimaging Laboratory, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK
| | - Adam Hampshire
- The Computational, Cognitive and Clinical Neuroimaging Laboratory, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK
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31
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Imms P, Domínguez D JF, Burmester A, Seguin C, Clemente A, Dhollander T, Wilson PH, Poudel G, Caeyenberghs K. Navigating the link between processing speed and network communication in the human brain. Brain Struct Funct 2021; 226:1281-1302. [PMID: 33704578 DOI: 10.1007/s00429-021-02241-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 02/22/2021] [Indexed: 01/21/2023]
Abstract
Processing speed on cognitive tasks relies upon efficient communication between widespread regions of the brain. Recently, novel methods of quantifying network communication like 'navigation efficiency' have emerged, which aim to be more biologically plausible compared to traditional shortest path length-based measures. However, it is still unclear whether there is a direct link between these communication measures and processing speed. We tested this relationship in forty-five healthy adults (27 females), where processing speed was defined as decision-making time and measured using drift rate from the hierarchical drift diffusion model. Communication measures were calculated from a graph theoretical analysis of the whole-brain structural connectome and of a task-relevant fronto-parietal structural subnetwork, using the large-scale Desikan-Killiany atlas. We found that faster processing speed on trials that require greater cognitive control are correlated with higher navigation efficiency (of both the whole-brain and the task-relevant subnetwork). In contrast, faster processing speed on trials that require more automatic processing are correlated with shorter path length within the task-relevant subnetwork. Our findings reveal that differences in the way communication is modelled between shortest path length and navigation may be sensitive to processing of automatic and controlled responses, respectively. Further, our findings suggest that there is a relationship between the speed of cognitive processing and the structural constraints of the human brain network.
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Affiliation(s)
- Phoebe Imms
- Mary MacKillop Institute for Health Research, Australian Catholic University, 5/215 Spring Street, Melbourne, VIC, 3000, Australia.
| | - Juan F Domínguez D
- Cognitive Neuroscience Unit, School of Psychology, Faculty of Health, Deakin University, 221 Burwood Highway, Burwood, VIC, 3125, Australia
| | - Alex Burmester
- Cognitive Neuroscience Unit, School of Psychology, Faculty of Health, Deakin University, 221 Burwood Highway, Burwood, VIC, 3125, Australia
| | - Caio Seguin
- Melbourne Neuropsychiatry Centre, The University of Melbourne and Melbourne Health, 3/161 Barry Street, Carlton, VIC, 3053, Australia
| | - Adam Clemente
- Mary MacKillop Institute for Health Research, Australian Catholic University, 5/215 Spring Street, Melbourne, VIC, 3000, Australia
| | - Thijs Dhollander
- Developmental Imaging, Murdoch Children's Research Institute, 50 Flemington Road, Parkville, VIC, 3052, Australia
| | - Peter H Wilson
- Healthy Brain and Mind Research Centre, School of Behavioural, Health and Human Sciences, Faculty of Health Sciences, Australian Catholic University, 115 Victoria Parade, Fitzroy, VIC, 3065, Australia
| | - Govinda Poudel
- Mary MacKillop Institute for Health Research, Australian Catholic University, 5/215 Spring Street, Melbourne, VIC, 3000, Australia
| | - Karen Caeyenberghs
- Cognitive Neuroscience Unit, School of Psychology, Faculty of Health, Deakin University, 221 Burwood Highway, Burwood, VIC, 3125, Australia
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32
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Advances in traumatic brain injury research in 2020. Lancet Neurol 2021; 20:5-7. [PMID: 33340484 DOI: 10.1016/s1474-4422(20)30455-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 11/23/2020] [Indexed: 11/23/2022]
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33
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Chandra PS, Goda R. Advances in traumatic brain injury research in 2020: A review article. APOLLO MEDICINE 2021. [DOI: 10.4103/am.am_48_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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34
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Mao L, Sun L, Sun J, Sun B, Gao Y, Shi H. Ethyl pyruvate improves white matter remodeling in rats after traumatic brain injury. CNS Neurosci Ther 2020; 27:113-122. [PMID: 33369165 PMCID: PMC7804862 DOI: 10.1111/cns.13534] [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: 08/31/2020] [Revised: 10/21/2020] [Accepted: 10/31/2020] [Indexed: 12/12/2022] Open
Abstract
Background Severe traumatic brain injury (TBI) results in long‐term neurological deficits associated with white matter injury (WMI). Ethyl pyruvate (EP) is a simple derivative of the endogenous energy substrate pyruvate with neuroprotective properties, but its role in recovery from WMI has not been explored. Aims This study examines the effect of EP treatment on rats following TBI using behavioral tests and white matter histological analysis up to 28 days post‐injury. Materials and Methods Anaesthetised adult rats were subjected to TBI by controlled cortical impact. After surgery, EP or Ringers solution (RS) was administrated intraperitoneally at 15 min after TBI and again at 12, 24, 36, 48, and 60 h after TBI. Sensorimotor deficits were evaluated up to day 21 after TBI by four independent tests. Immunofluorescence and transmission electron microscopy (TEM) were performed to assess white matter injury. Microglia activation and related inflammatory molecules were examined up to day 14 after TBI by immunohistochemistry or real‐time PCR. Results Here, we demonstrate that EP improves sensorimotor function following TBI as well as improves white matter outcomes up to 28 d after TBI, as shown by reduced myelin loss. Furthermore, EP administration during the acute phase of TBI recovery shifted microglia polarization toward the anti‐inflammatoryM2 phenotype, modulating the release of inflammatory‐related factors. Conclusion EP treatment may protect TBI‐induced WMI via modulating microglia polarization toward M2.
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Affiliation(s)
- Leilei Mao
- Department of Neurology, Second Affiliated Hospital, Key Laboratory of Cerebral Microcirculation at the University of Shandong, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
| | - Limin Sun
- Department of Neurology, Second Affiliated Hospital, Key Laboratory of Cerebral Microcirculation at the University of Shandong, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
| | - Jingyi Sun
- Department of Neurology, Second Affiliated Hospital, Key Laboratory of Cerebral Microcirculation at the University of Shandong, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
| | - Baoliang Sun
- Department of Neurology, Second Affiliated Hospital, Key Laboratory of Cerebral Microcirculation at the University of Shandong, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
| | - Yanqin Gao
- State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science and Institute of Brain Sciences, Fudan University, Shanghai, China
| | - Hong Shi
- Department of Anesthesiology of Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
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35
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Brooker H, Williams G, Hampshire A, Corbett A, Aarsland D, Cummings J, Molinuevo JL, Atri A, Ismail Z, Creese B, Fladby T, Thim-Hansen C, Wesnes K, Ballard C. FLAME: A computerized neuropsychological composite for trials in early dementia. ALZHEIMER'S & DEMENTIA: DIAGNOSIS, ASSESSMENT & DISEASE MONITORING 2020; 12:e12098. [PMID: 33088895 PMCID: PMC7560493 DOI: 10.1002/dad2.12098] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 07/30/2020] [Indexed: 11/13/2022]
Abstract
Introduction Sensitive neuropsychological tests are needed to improve power for clinical trials in early Alzheimer's disease (AD). Methods To develop a neuropsychological composite (FLAME – Factors of Longitudinal Attention, Memory and Executive Function), we assessed, 10,714 participants over the age of 50 from PROTECT with validated computerized assessments for 2 years. A factorial analysis was completed to identify the key cognitive factors in all participants, and further analyses examined sensitivity to change in people with stage 2/3 early Alzheimer's disease (AD) according to the US Food and Drug Administration (FDA) framework. Results The FLAME composite score (speed of attention, accuracy of attention, memory, and executive function) distinguished between normal cognition and stage 2/3 early AD at baseline, and was sensitive to cognitive and global/functional decline over 2 years, with the potential to improve power for clinical trials. Discussion FLAME is sensitive to change, providing a straightforward approach to reduce sample size for RCTs in early AD. Conclusion FLAME is a useful computerized neuropsychology composite with utility for clinical trials focusing on cognition.
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Affiliation(s)
- Helen Brooker
- St Lukes Campus The University of Exeter Medical School Exeter UK
| | - Gareth Williams
- Department of Old Age Psychiatry Institute of Psychiatry, Psychology & Neuroscience King's College London Maurice Wohl Clinical Neuroscience Institute London UK
| | - Adam Hampshire
- Division of Brain Sciences, & Dementia Research Institute Care Research & Technology Centre Imperial College London London UK
| | - Anne Corbett
- St Lukes Campus The University of Exeter Medical School Exeter UK
| | - Dag Aarsland
- Department of Old Age Psychiatry Institute of Psychiatry, Psychology & Neuroscience King's College London Maurice Wohl Clinical Neuroscience Institute London UK
| | - Jeffrey Cummings
- Department of Brain Health Cleveland Clinic Lou Ruvo Center for Brain Health University of Nevada Las Vegas Las Vegas Nevada USA
| | - Jose Luis Molinuevo
- BarcelonaBeta Brain Research Center Hospital Clinic Pasqual Maragall Foundation and Alzheimer's Disease and Other Cognitive Disorders Unit Barcelona Spain
| | - Alireza Atri
- Banner Sun Health Research Institute (Arizona) & Harvard Medical School (Massachusetts) USA
| | - Zahinoor Ismail
- St Lukes Campus The University of Exeter Medical School Exeter UK.,Department of Psychiatry Clinical Neurosciences, and Community Health Sciences Hotchkiss Brain Institute University of Calgary Canada
| | - Byron Creese
- St Lukes Campus The University of Exeter Medical School Exeter UK
| | | | | | - Keith Wesnes
- St Lukes Campus The University of Exeter Medical School Exeter UK
| | - Clive Ballard
- St Lukes Campus The University of Exeter Medical School Exeter UK
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Qi X, Arfanakis K. Regionconnect: Rapidly extracting standardized brain connectivity information in voxel-wise neuroimaging studies. Neuroimage 2020; 225:117462. [PMID: 33075560 PMCID: PMC7811895 DOI: 10.1016/j.neuroimage.2020.117462] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 08/03/2020] [Accepted: 10/09/2020] [Indexed: 02/06/2023] Open
Abstract
Reporting white matter findings in voxel-wise neuroimaging studies typically lacks specificity in terms of brain connectivity. Therefore, the purpose of this work was to develop an approach for rapidly extracting standardized brain connectivity information for white matter regions with significant findings in voxel-wise neuroimaging studies. The new approach was named regionconnect and is based on precalculated average healthy adult brain connectivity information stored in standard space in a fashion that allows fast retrieval and integration. Towards this goal, the present work first generated and evaluated the white matter connectome of the IIT Human Brain Atlas v.5.0. It was demonstrated that the edges of the atlas connectome are representative of those of individual participants of the Human Connectome Project in terms of the spatial organization of streamlines and spatial patterns of track-density. Next, the new white matter connectome was used to develop multi-layer, connectivity-based labels for each white matter voxel of the atlas, consistent with the fact that each voxel may contain axons from multiple connections. The regionconnect algorithm was then developed to rapidly integrate information contained in the multi-layer labels across voxels of a white matter region and to generate a list of the most probable connections traversing that region. Usage of regionconnect does not require high angular resolution diffusion MRI or any MRI data. The regionconnect algorithm as well as the white matter tractogram and connectome, multi-layer, connectivity-based labels, and associated resources developed for the IIT Human Brain Atlas v.5.0 in this work are available at www.nitrc.org/projects/iit. An interactive, online version of regionconnect is also available at www.iit.edu/~mri.
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Affiliation(s)
- Xiaoxiao Qi
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, IL, United States
| | - Konstantinos Arfanakis
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, IL, United States; Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, United States; Department of Diagnostic Radiology and Nuclear Medicine, Rush University Medical Center, Chicago, IL, United States.
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