What Role Do Mothers Play in the Gestural Acquisition of Bonobos (Pan paniscus) and Chimpanzees (Pan troglodytes)?

Article


Schneider, C., Call, Josep and Liebal, Katja 2012. What Role Do Mothers Play in the Gestural Acquisition of Bonobos (Pan paniscus) and Chimpanzees (Pan troglodytes)? International Journal of Primatology. 33 (1), pp. 246-262.
AuthorsSchneider, C., Call, Josep and Liebal, Katja
Abstract

Contemporary research hypothesizes that biological inheritance and ontogenetic factors shape the development of gestural communication in nonhuman great apes. However, little is known about the specific role that mothers play in the acquisition of their infants’ gestures. We observed 6 bonobo (Pan paniscus) and 4 chimpanzee (Pan troglodytes) mother–infant dyads and recorded their gesture types and frequency. We analyzed all behavioral contexts in which gestures occurred as well as the play context alone. Infants of both species were unlikely to share gestures with their mother or unrelated adult females. However, gestural sharing was prevalent within age groups. Within and across species, infant–infant and mother–mother groups were homogeneous regarding the types of gestures they shared, although there was individual variation in the frequency of gesture use. Our findings provide limited evidence that infants learned their gestures by imitating their mothers. Phylogenetic influences seem to be vital in gestural acquisition but, we suggest, repertoire development cannot be disentangled from individual social encounters during life.

Keywordsgesture acquisition; mother-child dyad; communication
JournalInternational Journal of Primatology
Journal citation33 (1), pp. 246-262
ISSN1573-8604
0164-0291
Year2012
PublisherSpringer
Accepted author manuscript
License
CC BY-ND
Web address (URL)http://dx.doi.org/10.1007/s10764-011-9570-3
Publication dates
Print01 Feb 2012
Publication process dates
Deposited30 Sep 2013
Copyright informationThe final publication is available at link.springer.com
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https://repository.uel.ac.uk/item/85z86

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