期刊
BEHAVIOURAL BRAIN RESEARCH
卷 171, 期 1, 页码 170-174出版社
ELSEVIER
DOI: 10.1016/j.bbr.2006.03.018
关键词
gestural communication; handedness; brain lateralisation; monkeys; baboons
Humans are mainly right-handed for many actions including gestures. This bias is strongly linked to a left cerebral hemispheric dominance for language functions. Whether similar lateralized systems for communicative behaviors are present in other animals is unclear. Here we report the first evidence of strong population-level right-handedness in 60 captive baboons for a species-specific communicative manual gesture. Our findings support the view that lateralization for language may have evolved from a gestural system of communication controlled by the left hemisphere. (c) 2006 Elsevier B.V. All rights reserved.
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