Parental and perinatal factors influencing the development of handedness in captive chimpanzees

William D. Hopkins; Michael J. Wesley; Jamie L. Russell; Steven J. Schapiro

doi:10.1002/dev.20165

Parental and perinatal factors influencing the development of handedness in captive chimpanzees

William D. Hopkins, Michael J. Wesley, Jamie L. Russell, Steven J. Schapiro

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

It has been proposed that human right handedness is determined by genetic factors associated with the emergence of language, whereas non-human primate handedness is determined by random, non-genetic factors. These different mechanisms account for differences in the distribution of handedness between human and non-human primates. Here we report evidence that genetic factors play a role in the determination of handedness in chimpanzees. We further report that differential rearing has no influence on the expression of handedness in related individuals. Contrary to many theories of the origin of handedness, these results indicate that genetic factors have a significant influence on handedness in chimpanzees.

Original language	English (US)
Pages (from-to)	428-435
Number of pages	8
Journal	Developmental Psychobiology
Volume	48
Issue number	6
DOIs	https://doi.org/10.1002/dev.20165
State	Published - Sep 2006
Externally published	Yes

Keywords

Chimpanzees
Handedness
Laterality

ASJC Scopus subject areas

Developmental and Educational Psychology
Developmental Neuroscience
Developmental Biology
Behavioral Neuroscience

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10.1002/dev.20165

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abstract = "It has been proposed that human right handedness is determined by genetic factors associated with the emergence of language, whereas non-human primate handedness is determined by random, non-genetic factors. These different mechanisms account for differences in the distribution of handedness between human and non-human primates. Here we report evidence that genetic factors play a role in the determination of handedness in chimpanzees. We further report that differential rearing has no influence on the expression of handedness in related individuals. Contrary to many theories of the origin of handedness, these results indicate that genetic factors have a significant influence on handedness in chimpanzees.",

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AB - It has been proposed that human right handedness is determined by genetic factors associated with the emergence of language, whereas non-human primate handedness is determined by random, non-genetic factors. These different mechanisms account for differences in the distribution of handedness between human and non-human primates. Here we report evidence that genetic factors play a role in the determination of handedness in chimpanzees. We further report that differential rearing has no influence on the expression of handedness in related individuals. Contrary to many theories of the origin of handedness, these results indicate that genetic factors have a significant influence on handedness in chimpanzees.

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KW - Laterality

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Parental and perinatal factors influencing the development of handedness in captive chimpanzees

Abstract

Keywords

ASJC Scopus subject areas

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