Physical mechanisms may be as important as brain mechanisms in evolution of 
speech [Commentary on Ackerman, Hage, & Ziegler. Brain Mechanisms of acoustic 
communication in humans and nonhuman primates: an evolutionary perspective]

De Boer, Bart; Perlman, Marcus

doi:10.1017/S0140525X13004007

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Physical mechanisms may be as important as brain mechanisms in evolution of speech [Commentary on Ackerman, Hage, & Ziegler. Brain Mechanisms of acoustic communication in humans and nonhuman primates: an evolutionary perspective]

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De Boer, B., & Perlman, M. (2014). Physical mechanisms may be as important as brain mechanisms in evolution of speech [Commentary on Ackerman, Hage, & Ziegler. Brain Mechanisms of acoustic communication in humans and nonhuman primates: an evolutionary perspective]. Behavioral and Brain Sciences, 37(6), 552-553. doi:10.1017/S0140525X13004007.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-86FC-D

Abstract

We present two arguments why physical adaptations for vocalization may be as important as neural adaptations. First, fine control over vocalization is not easy for physical reasons, and modern humans may be exceptional. Second, we present an example of a gorilla that shows rudimentary voluntary control over vocalization, indicating that some neural control is already shared with great apes.