Article
The role of early social rearing, neurological, and genetic factors on individual differences in mutual eye gaze among captive chimpanzees.
Scientific reports - 4 May 2020
Hopkins William D, Mulholland Michele M, Reamer Lisa A, Mareno Mary Catherine, Schapiro Steven J
Abstract excerpt
Mutual eye gaze plays an important role in primate social development and communication. In the current study, we examined the underlying experiential, genetic, and neuroanatomical basis of mutual eye gaze variation in adult captive chimpanzees. A multivariate analysis of variance revealed a significant rearing effect on bout length, with human-reared chimpanzees engaging in longer bouts of mutual gaze compared...
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