Socio-spatial cognition in vervet monkeys. - Université de Rennes Accéder directement au contenu
Article Dans Une Revue Animal Cognition Année : 2014

Socio-spatial cognition in vervet monkeys.

Résumé

Safety in numbers is thought to be the principal advantage of living in groups for many species. The group can only provide protection against predators, however, when group cohesion is maintained. Vocalisations are used to monitor inter-individual distances, especially under conditions of poor visibility, but should be avoided in the presence of predators. Mentally tracking the movements of silent and invisible group members would allow animals foraging in dense vegetation to stay close to their group members while reducing the use of vocal contact. We tested the socio-spatial cognitive abilities of wild vervet monkeys (Chlorocebus pygerythrus) by comparing their reactions to plausible and implausible displacements of group members simulated by sound playbacks. Our methods are comparable to those used in studies of 'object permanence' and 'invisible displacements' of inanimate objects. Our results show that vervets can track the whereabouts of invisibly and silently moving group members, at least over short periods of time.
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Dates et versions

hal-00914516 , version 1 (05-12-2013)

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Ronald Noë, Marion Laporte. Socio-spatial cognition in vervet monkeys.. Animal Cognition, 2014, 17 (3), pp.597-607. ⟨10.1007/s10071-013-0690-3⟩. ⟨hal-00914516⟩
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