Title

Symmetry in knapped stones is real, not romanced

Document Type

Article

Publication Date

2002

Journal

Behavioral and Brain Sciences

Volume

25

Issue

3

First Page

409

Last Page

410

URL with Digital Object Identifier

doi: 10.1017/S0140525X0229007X

Abstract

Abstract: It appears that knappers intentionally produced symmetrical stones. Use of the dorsal pathways in knapping does not preclude shape perception, nor does it obviate use of ventral pathways in other tasks in Homo sapiens 400,000 years ago. Shape perception precedes production in present-day human infants, suggesting that symmetry perception was used by knappers of symmetrical stones.

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