Jesper Andersson

Wellcome Centre for Integrative Neuroimaging

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Karla L. Miller

University of Oxford

Mark Jenkinson

Wellcome Centre for Integrative Neuroimaging

Irene Tracey

University of Oxford

Stephen M. Smith

John Radcliffe Hospital

Christian F. Beckmann

Radboud University Nijmegen

Kâmil Uǧurbil

University of Minnesota

Saâd Jbabdi

University of Oxford

Essa Yacoub

Resonance Research (United States)

Yazhuo Kong

University of Chinese Academy of Sciences

Matthew F. Glasser

Washington University in St. Louis

Cooperative Institutions

University of Oxford

Wellcome Centre for Integrative Neuroimaging

John Radcliffe Hospital

University of Pennsylvania

University of Oslo

Wellcome Trust

Washington University in St. Louis

Oslo University Hospital

University of California, Berkeley

University of Cambridge

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A multi-modal parcellation of human cerebral cortex

Nature (2016)

Matthew F. Glasser Timothy S. Coalson Emma C. Robinson Carl D. Hacker John Harwell

Human Connectome Project

Human brain

Cytoarchitecture

Brain mapping

10.1038/nature18933

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Citations (4,561)

Social Network Size Affects Neural Circuits in Macaques

Science (2011)

Jèrôme Sallet Rogier B. Mars MaryAnn P. Noonan Jesper Andersson Jill X. O’Reilly

It has been suggested that variation in brain structure correlates with the sizes of individuals' social networks. Whether variation in social network size causes variation in brain structure, however, is unknown. To address this question, we neuroimaged 23 monkeys that had been living in social groups set to different sizes. Subject comparison revealed that living in larger groups caused increases in gray matter in mid-superior temporal sulcus and rostral prefrontal cortex and increased coupling of activity in frontal and temporal cortex. Social network size, therefore, contributes to changes both in brain structure and function. The changes have potential implications for an animal's success in a social context; gray matter differences in similar areas were also correlated with each animal's dominance within its social network.

Biological neural network

10.1126/science.1210027

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Citations (502)