| Effect of posture on hand preferences during experimental food reaching in bonobos (Pan paniscus). | |
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MedLine Citation:
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PMID: 7758294 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The effect of posture on hand preferences was examined in an experiment with 5 bonobos (Pan paniscus). To obtain a food reward, the animals had to adopt 1 out of 7 different postures. These postures represented an increasing problem to the maintenance of body equilibrium. It was expected that an increasing demand for equilibrium maintenance would elicit individual preferences and a population-level bias. All animals showed an increasing trend toward left-handedness while shifting to a bipedal posture from a seated posture by way of a quadrupedal posture. The importance of bipedalism in the evolution of left- and right-handedness is discussed briefly. |
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Authors:
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K De Vleeschouwer; L Van Elsacker; R F Verheyen |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of comparative psychology (Washington, D.C. : 1983) Volume: 109 ISSN: 0735-7036 ISO Abbreviation: J Comp Psychol Publication Date: 1995 Jun |
Date Detail:
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Created Date: 1995-06-28 Completed Date: 1995-06-28 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 8309850 Medline TA: J Comp Psychol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 203-7 Citation Subset: IM; S |
Affiliation:
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Department of Biology, University of Antwerp, Belgium. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Appetitive Behavior Evolution Feeding Behavior* Female Functional Laterality* Motivation Pan troglodytes / psychology* Postural Balance Posture* Problem Solving Psychomotor Performance* |
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