Logo image
Diversity of meso-scale architecture in human and non-human connectomes
Journal article   Open access   Peer reviewed

Diversity of meso-scale architecture in human and non-human connectomes

Richard F Betzel, John D Medaglia and Danielle S Bassett
Nature communications, v 9(1), pp 346-14
24 Jan 2018
PMID: 29367627
url
https://doi.org/10.1038/s41467-017-02681-zView
Published, Version of Record (VoR)CC BY V4.0 Open

Abstract

Algorithms Animals Brain - diagnostic imaging Brain - metabolism Brain - physiology Cognition - physiology Connectome Diffusion Tensor Imaging Drosophila Gene Expression Humans Macaca Mice Nerve Net Neural Pathways Rats White Matter - diagnostic imaging White Matter - metabolism White Matter - physiology
Brain function is reflected in connectome community structure. The dominant view is that communities are assortative and segregated from one another, supporting specialized information processing. However, this view precludes the possibility of non-assortative communities whose complex inter-community interactions could engender a richer functional repertoire. We use weighted stochastic blockmodels to uncover the meso-scale architecture of Drosophila, mouse, rat, macaque, and human connectomes. We find that most communities are assortative, though others form core-periphery and disassortative structures, which better recapitulate observed patterns of functional connectivity and gene co-expression in human and mouse connectomes compared to standard community detection techniques. We define measures for quantifying the diversity of communities in which brain regions participate, showing that this measure is peaked in control and subcortical systems in humans, and that inter-individual differences are correlated with cognitive performance. Our report paints a more diverse portrait of connectome communities and demonstrates their cognitive relevance.

Metrics

2 Record Views
106 citations in Scopus

Details

UN Sustainable Development Goals (SDGs)

This publication has contributed to the advancement of the following goals:

#3 Good Health and Well-Being

InCites Highlights

Data related to this publication, from InCites Benchmarking & Analytics tool:

Collaboration types
Domestic collaboration
Web of Science research areas
Neurosciences
Logo image