Behavioral and Brain Sciences

Open Peer Commentary

Look, no hands!

Eric M. Pattersona1 and Janet Manna1

a1 Department of Biology, Georgetown University, Washington, DC 20057-1229. [email protected] [email protected] www.monkeymiadolphins.org

Abstract

Contrary to Vaesen's argument that humans are unique with respect to nine cognitive capacities essential for tool use, we suggest that although such cognitive processes contribute to variation in tool use, it does not follow that these capacities are necessary for tool use, nor that tool use shaped cognition per se, given the available data in cognitive neuroscience and behavioral biology.

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