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Symmetry for the sake of symmetry, or symmetry for the sake of behavior?

Published online by Cambridge University Press:  11 June 2003

Jeffrey B. Wagman
Jeffrey B. Wagman
Affiliation:
Center for the Ecological Study of Perception and Action, University of Connecticut, Storrs, CT 06269 [email protected] http://ione.psy.uconn.edu/~cespaweb/people/wagman.html
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Abstract

Wynn suggests that the imposition of symmetry on stone tools is indicative of the evolutionary development of cognitive abilities of the tool makers, particularly that of creating mental images. I suggest that it is more likely indicative of the evolutionary development of the perceptual ability to detect resources for behavior of hand-held objects.

Type
Brief Report
Information
Behavioral and Brain Sciences , Volume 25 , Issue 3 , June 2002 , pp. 423 - 424
Copyright
© 2002 Cambridge University Press

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