Normative brain size variation and brain shape diversity in humans

Brain size variation over primate evolution and human development is associated with shifts in the proportions of different brain regions. Individual brain size can vary more than twofold among typically developing humans, but the consequences of this for brain organization remain poorly understood. Using in vivo neuroimaging data from more than 3000 individuals, we find that larger human brains show greater areal expansion in distributed frontoparietal cortical networks and related subcortic…
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