a1 Department of Psychology and Program in Linguistics, The Pennsylvania State University, University Park, PA 16802. djw21@psu.edu
a2 Department of Psychology, The Pennsylvania State University, University Park, PA 16802. kmc385@psu.edu
a3 Department of Biology, Case Western Reserve University, Cleveland, OH 44106. jason.wark@case.edu
a4 Department of Psychology, The Pennsylvania State University, University Park, PA 16802. dar12@psu.edu
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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