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Persistence in gestural communication predicts sociality in wild chimpanzees.

Roberts, AI and Roberts, SGB (2018) Persistence in gestural communication predicts sociality in wild chimpanzees. Animal Cognition. ISSN 1435-9456

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Open Access URL: https://link.springer.com/article/10.1007/s10071-0... (Published version)

Abstract

A key challenge for primates is coordinating behaviour with conspecifics in large, complex social groups. Gestures play a key role in this process and chimpanzees show considerable flexibility communicating through single gestures, sequences of gestures interspersed with periods of response waiting (persistence), and rapid sequences where gestures are made in quick succession, too rapid for the response waiting to have occurred. The previous studies examined behavioural reactions to single gestures and sequences, but whether this complexity is associated with more complex sociality at the level of the dyad partner and the group as a whole is not well understood. We used social network analysis to examine how the production of single gestures and sequences of gestures was related to the duration of time spent in proximity and individual differences in proximity in wild East African chimpanzees (Pan troglodytes schweinfurthii). Pairs of chimpanzees that spent a longer duration of time in proximity had higher rates of persistence sequences, but not a higher rate of single gestures or rapid sequences. The duration of time spent in proximity was also related to the rate of responding to gestures, and response to gesture by activity change. These results suggest that communicative persistence and the type of response to gestures may play an important role in regulating social interactions in primate societies.

Item Type: Article
Uncontrolled Keywords: 06 Biological Sciences, 17 Psychology and Cognitive Sciences
Subjects: Q Science > QL Zoology
Divisions: Natural Sciences and Psychology
Publisher: Springer Verlag (Germany)
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Date Deposited: 31 Jan 2019 10:06
Last Modified: 01 Feb 2019 14:48
DOI or Identification number: 10.1007/s10071-018-1219-6
URI: http://researchonline.ljmu.ac.uk/id/eprint/10086

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