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ERIC Number: EJ743691
Record Type: Journal
Publication Date: 2006-Oct
Pages: 13
Abstractor: Author
ISBN: N/A
ISSN: ISSN-0278-2626
EISSN: N/A
Available Date: N/A
Three Studies on Configural Face Processing by Chimpanzees
Parr, Lisa A.; Heintz, Matthew; Akamagwuna, Unoma
Brain and Cognition, v62 n1 p30-42 Oct 2006
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.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A
Author Affiliations: N/A