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Am J Phys Anthropol. 2008 Sep;137(1):113-8. doi: 10.1002/ajpa.20834.

Brief communication: Locomotor limb preferences in captive chimpanzees (Pan troglodytes): implications for morphological asymmetries in limb bones.

Author information

1
Department of Psychology, Agnes Scott College, Decatur, GA 30030, USA. whopkins@agnesscott.edu

Abstract

Understanding the evolutionary origins of hemispheric specialization remains a topic of considerable interest in a variety of scientific disciplines. Whether nonhuman primates exhibit population-level limb preferences continues to be a controversial topic. In this study, limb preferences for ascending and descending locomotion were assessed as a means of examining the hypothesis that asymmetries in forelimb bones might be attributed to asymmetries in posture. The results indicated that captive chimpanzees showed a population-level leftward asymmetry in descending locomotion but no group bias for ascending locomotion. The results are consistent with previous behavioral studies in captive chimpanzees as well as studies on skeletal asymmetries of the forelimbs of chimpanzees.

PMID:
18446855
PMCID:
PMC2654328
DOI:
10.1002/ajpa.20834
[Indexed for MEDLINE]
Free PMC Article

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