Adolescent Tuning of Association Cortex in Human Structural Brain Networks.

Cerebral Cortex
František VášaEdward T Bullmore

Abstract

Motivated by prior data on local cortical shrinkage and intracortical myelination, we predicted age-related changes in topological organization of cortical structural networks during adolescence. We estimated structural correlation from magnetic resonance imaging measures of cortical thickness at 308 regions in a sample of N = 297 healthy participants, aged 14-24 years. We used a novel sliding-window analysis to measure age-related changes in network attributes globally, locally and in the context of several community partitions of the network. We found that the strength of structural correlation generally decreased as a function of age. Association cortical regions demonstrated a sharp decrease in nodal degree (hubness) from 14 years, reaching a minimum at approximately 19 years, and then levelling off or even slightly increasing until 24 years. Greater and more prolonged age-related changes in degree of cortical regions within the brain network were associated with faster rates of adolescent cortical myelination and shrinkage. The brain regions that demonstrated the greatest age-related changes were concentrated within prefrontal modules. We conclude that human adolescence is associated with biologically plausible changes in ...Continue Reading

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Citations

Oct 2, 2019·Proceedings of the National Academy of Sciences of the United States of America·Bertha Vázquez-RodríguezBratislav Misic
Jan 15, 2019·International Journal of Neural Systems·Vesna VuksanovićClaude M Wischik
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Apr 9, 2021·Developmental Cognitive Neuroscience·Stefon van Noordt, Teena Willoughby
Apr 16, 2021·NeuroImage·Ross D Markello, Bratislav Misic
Aug 24, 2020·NeuroImage·Richard A I BethlehemKamen A Tsvetanov
Jun 9, 2021·Biological Psychiatry·Linden ParkesDanielle S Bassett
Jul 25, 2021·NeuroImage·Yashar ZeighamiAndréanne Michaud
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Sep 15, 2021·Human Brain Mapping·Sarah M WeinsteinRussell T Shinohara
Jan 15, 2022·Cerebral Cortex·Shaun K L QuahStephen J Sawiak

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