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Greater male than female variability in regional brain structure across the lifespan

  • Karolinska Schizophrenia Project (KaSP) consortium
  • Leiden University
  • Icahn School of Medicine at Mount Sinai
  • Boys Town National Research Hospital
  • City University London
  • King's College London
  • University of Oslo
  • Diakonhjemmet Hospital
  • Stockholm County Council
  • Vrije Universiteit Amsterdam
  • University of Galway
  • Bournemouth University
  • FIDMAG Germanes Hospitalàries Research Foundation
  • Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM)
  • Institut d'Investigacions Biomédiques August Pi i Sunyer (IDIBAPS)
  • Oslo University Hospital
  • Northwestern University Feinberg School of Medicine
  • Yale University School of Medicine
  • University of Heidelberg
  • Hospital Clínic
  • University of Wuerzburg
  • University of Bari Aldo Moro
  • University of Basel
  • Universitaet Luebeck
  • University of Pennsylvania
  • CHU Sainte Justine University Hospital Research Center
  • Location VUMC
  • University of Zurich
  • University of Zurich
  • University and ETH Zurich
  • Indiana University School of Medicine
  • University of New South Wales Faculty of Medicine, School of Psychiatry
  • University Medical Centre Utrecht
  • Radboud University Nijmegen Medical Center
  • Radboud University
  • University of São Paulo
  • Georgia Institute of Technology
  • MRC Centre for Neuropsychiatric Genetics and Genomics
  • New York University
  • Nathan S. Kline Institute for Psychiatric Research
  • Keck School of Medicine of USC
  • University of New Mexico
  • Mind Research Network and LBERI
  • Université de Montréal
  • University of Tübingen
  • PFH – Private University of Applied Sciences
  • Groupe d'Imagerie Neurofonctionnelle
  • Centre for Youth Mental Health
  • National Centre of Excellence in Youth Mental Health
  • University of Toronto
  • Faculty of Medicine of the TU Dresden
  • Max Planck Institute for Psycholinguistics
  • Donders Institute for Brain, Cognition and Behaviour
  • University of Cape Town
  • Neurogenetics Unit
  • Boston Children's Hospital
  • Hartford Hospital
  • Stanford University
  • University Medicine Greifswald
  • German Center for Neurodegenerative Diseases (DZNE)
  • Ruprecht-Karls-University Heidelberg
  • Research Institute
  • Amsterdam UMC
  • University of Melbourne
  • University Medical Center Groningen
  • Sydney University Biological Informatics and Technology Centre (SUBIT)
  • Department of Neurosciences
  • Yale University
  • Massachusetts General Hospital
  • De Bascule
  • Amsterdam UMC Department of Child and Adolescent Psychiatry
  • Warneford Hospital
  • Ohio State University College of Medicine
  • Sunnaas Rehabilitation Hospital HT
  • University of the Sunshine Coast
  • University of Barcelona
  • Mental Health Research Center
  • Harvard Medical School
  • SA MRC Unit on Risk and Resilience in Mental Disorders
  • Academic Medical Center
  • Institut des Maladies Neurodégénératives
  • QIMR Berghofer Medical Research Institute
  • Bellvitge University Hospital-IDIBELL
  • University Bordeaux-Segalen
  • Bordeaux University Hospital
  • University of Edinburgh
  • Queensland University of Technology
  • Maastricht University Medical Center
  • Umeå University
  • Academic Medical Center
  • Johns Hopkins University
  • Institut d’Investigació Biomèdica Sant Pau
  • University Hospital Frankfurt
  • Prince of Wales Hospital
  • Institute of Mental Health
  • National University of Singapore
  • Autonomous University of Barcelona (UAB)
  • University of Queensland
  • James J. Peters VA Medical Center
  • Charité Universitätsmedizin Berlin
  • Amsterdam Neuroscience
  • Partner site Berlin
  • partner site Greifswald
  • Medical College of Wisconsin
  • University Hospital Bonn
  • Royal Edinburgh Hospital
  • Hospital Sírio-Libanês
  • Erasmus School of Social and Behavioural Sciences
  • University of British Columbia

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

78 Citations (Scopus)

Abstract

For many traits, males show greater variability than females, with possible implications for understanding sex differences in health and disease. Here, the ENIGMA (Enhancing Neuro Imaging Genetics through Meta-Analysis) Consortium presents the largest-ever mega-analysis of sex differences in variability of brain structure, based on international data spanning nine decades of life. Subcortical volumes, cortical surface area and cortical thickness were assessed in MRI data of 16,683 healthy individuals 1-90 years old (47% females). We observed significant patterns of greater male than female between-subject variance for all subcortical volumetric measures, all cortical surface area measures, and 60% of cortical thickness measures. This pattern was stable across the lifespan for 50% of the subcortical structures, 70% of the regional area measures, and nearly all regions for thickness. Our findings that these sex differences are present in childhood implicate early life genetic or gene-environment interaction mechanisms. The findings highlight the importance of individual differences within the sexes, that may underpin sex-specific vulnerability to disorders.

Original languageEnglish
Pages (from-to)470-499
Number of pages30
JournalHuman Brain Mapping
Volume43
Issue number1
DOIs
Publication statusPublished - Jan 2022

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