Behavioral and Brain Sciences



Short Communication

Cranial factors in neocortical evolution


Geoffrey O'Shea a1
a1 Department of Psychology, Colorado State University, Fort Collins, CO 80523 goshea@lamar.colostate.edu

Abstract

Our understanding of paleoneurology can benefit through considerations of how ontogenetic patterns of skull suture ossification can limit the phylogenetic expansion of underlying brain tissue to specific regions. Additionally, the influence of biochemical, rather than biomechanical, mechanisms on skull suture morphogenesis enable a reconceptualization of the skull as an independent evolutionary system from the brain.



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