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The influence of puberty on subcortical brain development
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Journal Article
The influence of puberty on subcortical brain development
2014
Overview
Puberty is characterized by hormonal, physical and psychological transformation. The human brain undergoes significant changes between childhood and adulthood, but little is known about how puberty influences its structural development. Using a longitudinal sample of 711 magnetic resonance imaging scans from 275 individuals aged 7–20years, we examined how subcortical brain regions change in relation to puberty. Our regions of interest included the amygdala, hippocampus and corpus striatum including the nucleus accumbens (NA), caudate, putamen and globus pallidus (GP). Pubertal development was significantly related to structural volume in all six regions in both sexes. Pubertal development and age had both independent and interactive influences on volume for the amygdala, hippocampus and putamen in both sexes, and the caudate in females. There was an interactive puberty-by-age effect on volume for the NA and GP in both sexes, and the caudate in males. These findings suggest a significant role for puberty in structural brain development.
•Subcortical regions continue to develop through puberty in females and males.•The developmental trajectories vary between subcortical regions.•Puberty and age have independent and interactive influences on this development.
Publisher
Elsevier Inc,Elsevier,Elsevier Limited,Academic Press
Subject
/ Age
/ Amygdala - growth & development
/ Biological and medical sciences
/ Brain - growth & development
/ Child
/ Child & adolescent psychiatry
/ Corpus Striatum - growth & development
/ Female
/ Fundamental and applied biological sciences. Psychology
/ Hippocampus - growth & development
/ Humans
/ Male
/ MRI
/ NMR
/ Nucleus Accumbens - growth & development
/ Obesity
/ Puberty
/ Studies
