期刊
BRAIN AND COGNITION
卷 62, 期 1, 页码 30-42出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bandc.2006.03.006
关键词
face processing; configuration; expertise; chimpanzee; composite effect
资金
- NCRR NIH HHS [RR-00165, P51 RR000165] Funding Source: Medline
- NIMH NIH HHS [R01 MH068791, R01 MH068791-02, R01-MH068791] Funding Source: Medline
Previous studies have demonstrated the sensitivity of chimpanzees to facial configurations. Three studies further these findings by showing this sensitivity to be specific to second-order relational properties. In humans, this type of configural processing requires prolonged experience and enables subordinate-level discriminations of many individuals. Chimpanzees showed evidence of a composite-like effect for conspecific but not human faces despite extensive experience with humans. Chimpanzee face recognition was impaired only when manipulations targeted second-order properties. Finally, face processing was impaired when individual features were blurred through pixelation. Results confirm that chimpanzee face discrimination, like humans, depends on the integrity of second-order relational properties. (c) 2006 Elsevier Inc. All rights reserved.
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