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dc.contributor.authorMarin Manrique, Hector
dc.contributor.authorCall, Josep
dc.identifier.citationMarin Manrique , H & Call , J 2015 , ' Age-dependent cognitive inflexibility in great apes ' , Animal Behaviour , vol. 102 , pp. 1-6 .
dc.identifier.otherORCID: /0000-0002-8597-8336/work/37477803
dc.description.abstractThe ability to suppress and/or change behaviour on the basis of negative feedback, often conceptualized as cognitive flexibility, has rarely been investigated in nonhuman great apes across a broad age range. In this study, 25 chimpanzees, Pan troglodytes, eight bonobos, Pan paniscus, seven orang-utans, Pongo abelii, and three gorillas, Gorilla gorilla, whose ages ranged from 5 to 48 years, were presented with a transparent Plexiglas rectangular box horizontally attached to their cage mesh. A square container, 7.5 cm2, fixed inside the apparatus contained a food reward (i.e. a grape). While the container rested on its central position the grape was not accessible. To retrieve the grape the subjects needed to grasp the handle connected to the reward container and displace it sideways to reach one of the lateral access windows. Subjects were intensively trained to displace the handle to a specific side (right or left, depending on the group) and then the rewarded side was reversed during the test. Performance in this reversal task did not differ significantly between species. However, a U-shaped relation between age and perseverative responding (i.e. moves to the previously rewarded side) was observed, extending findings with humans to our closest living primate relatives. (C) 2015 The Association for the Study of Animal Behaviour. Published by Elsevier Ltd. All rights reserved.
dc.relation.ispartofAnimal Behaviouren
dc.subjectCognitive flexibilityen
dc.subjectGreat apesen
dc.subjectPerseverative respondingen
dc.subjectReversal tasken
dc.subjectRC0321 Neuroscience. Biological psychiatry. Neuropsychiatryen
dc.subjectBF Psychologyen
dc.subjectQL Zoologyen
dc.titleAge-dependent cognitive inflexibility in great apesen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. School of Psychology and Neuroscienceen
dc.contributor.institutionUniversity of St Andrews. Centre for Social Learning & Cognitive Evolutionen
dc.description.statusPeer revieweden

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