Language evolution: Body of evidence?

Behavioral and Brain Sciences 28 (2):148-149 (2005)

Abstract

Our computational studies of infant language learning estimate the inherent difficulty of Arbib's proposal. We show that body language provides a strikingly helpful scaffold for learning language that may be necessary but not sufficient, given the absence of sophisticated language in other species. The extraordinary language abilities of Homo sapiens must have evolved from other pressures, such as sexual selection.

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Chen Yu
NanJing University

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