Document Detail

Behavioral laterality in captive bonobos (Pan paniscus).
MedLine Citation:
PMID:  8112052     Owner:  NLM     Status:  MEDLINE    
Behavioral laterality was studied in a captive group of 11 bonobos (Pan paniscus). In an observational method a significant left lateral bias in carrying and a right lateral bias in leading limb were found. Direction of lateral bias in carrying and leading limb was enhanced when subjects maintained a bipedal posture. Analysis of bimanual feeding behavior revealed a significant right-hand bias for eating when subjects were holding food with their left hand. In an experimental method a significant shift toward greater right-hand use was found when subjects were required to maintain a bipedal, rather than a quadrupedal, posture. There was no evidence of lateral bias for measures of face touching, self-touching, or gestures. The results are discussed in the context of previous reports of primate laterality.
W D Hopkins; A J Bennett; S L Bales; J Lee; J P Ward
Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of comparative psychology (Washington, D.C. : 1983)     Volume:  107     ISSN:  0735-7036     ISO Abbreviation:  J Comp Psychol     Publication Date:  1993 Dec 
Date Detail:
Created Date:  1994-03-31     Completed Date:  1994-03-31     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8309850     Medline TA:  J Comp Psychol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  403-10     Citation Subset:  IM; S    
Yerkes Regional Primate Research Center, Emory University, Atlanta, Georgia 30322.
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MeSH Terms
Functional Laterality*
Motor Skills
Pan troglodytes / psychology*
Grant Support
29574//PHS HHS; RR-00615/RR/NCRR NIH HHS

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