Behavioral laterality in captive bonobos (Pan paniscus).

W. D. Hopkins; A. J. Bennett; S. L. Bales; J. Lee; J. P. Ward

doi:10.1037/0735-7036.107.4.403

Behavioral laterality in captive bonobos (Pan paniscus).

W. D. Hopkins, A. J. Bennett, S. L. Bales, J. Lee, J. P. Ward

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Abstract

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.

Original language	English (US)
Pages (from-to)	403-410
Number of pages	8
Journal	Journal of comparative psychology (Washington, D.C. : 1983)
Volume	107
Issue number	4
DOIs	https://doi.org/10.1037/0735-7036.107.4.403
State	Published - Dec 1993
Externally published	Yes

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Psychology (miscellaneous)

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AU - Ward, J. P.

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Behavioral laterality in captive bonobos (Pan paniscus).

Abstract

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