Behavioral and Brain Sciences

Open Peer Commentary

Motor planning in primates

Daniel J. Weissa1, Kate M. Chapmana2, Jason D. Warka3 and David A. Rosenbauma4

a1 Department of Psychology and Program in Linguistics, The Pennsylvania State University, University Park, PA 16802. [email protected]

a2 Department of Psychology, The Pennsylvania State University, University Park, PA 16802. [email protected]

a3 Department of Biology, Case Western Reserve University, Cleveland, OH 44106. [email protected]

a4 Department of Psychology, The Pennsylvania State University, University Park, PA 16802. [email protected]

Abstract

Vaesen asks whether goal maintenance and planning ahead are critical for innovative tool use. We suggest that these aptitudes may have an evolutionary foundation in motor planning abilities that span all primate species. Anticipatory effects evidenced in the reaching behaviors of lemurs, tamarins, and rhesus monkeys similarly bear on the evolutionary origins of foresight as it pertains to tool use.

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