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dc.contributor.advisorWhiten, Andrew
dc.contributor.authorDavis, Sarah Jayne
dc.coverage.spatial1 v. (various pagings)en_US
dc.date.accessioned2018-10-22T13:26:23Z
dc.date.available2018-10-22T13:26:23Z
dc.date.issued2017-06-20
dc.identifier.urihttp://hdl.handle.net/10023/16297
dc.description.abstractCumulative culture is rare, if not altogether absent in non-human species. At the foundation of cumulative learning is the ability to flexibly modify, relinquish or build upon prior behaviours to make them more productive or efficient. Within the primate literature, a failure to optimise solutions in this way is often proposed to derive from low-fidelity copying of witnessed behaviours, sub-optimal social learning heuristics, or a lack of relevant socio-cognitive adaptations. However, humans can also be markedly inflexible in their behaviours, perseverating with, or becoming fixated on outdated or inappropriate responses. Humans show differential patterns of flexibility as a function of cognitive load, exhibiting difficulties with inhibiting suboptimal behaviours when there are high demands on working memory. Here I present a series of studies on captive chimpanzees which show that not only is inhibitory control compromised in chimpanzees, but indicate ape behavioural conservatism may be underlain by similar constraints as in humans; chimpanzees show relatively little conservatism when behavioural optimisation involves the inhibition of a well-established but simple solution, or the addition of a simple modification to a well-established but complex solution. In contrast, when behavioural optimisation involves the inhibition of a well-established but complex solution, and especially when the alternative solution is also complex, chimpanzees show evidence of behavioural conservatism. I propose that conservatism is linked to behavioural complexity, potentially mediated by cognitive resource availability, and may be an important factor in the evolution of cumulative culture.en_US
dc.language.isoenen_US
dc.publisherUniversity of St Andrews
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectCumulative cultureen_US
dc.subjectChimpanzeesen_US
dc.subjectSocial learningen_US
dc.subjectBehavioural flexibilityen_US
dc.subjectDecision makingen_US
dc.subjectComparative cognitionen_US
dc.subjectConservatismen_US
dc.subject.lccQL737.P94D2
dc.subject.lcshChimpanzees--Behavioren
dc.subject.lcshSocial evolution in animalsen
dc.subject.lcshSocial learningen
dc.subject.lcshDecision making in animalsen
dc.titleThe context of behavioural flexibility in chimpanzees (Pan troglodytes) : implications for the evolution of cumulative cultureen_US
dc.typeThesisen_US
dc.contributor.sponsorTempleton Foundationen_US
dc.type.qualificationlevelDoctoralen_US
dc.type.qualificationnamePhD Doctor of Philosophyen_US
dc.publisher.institutionThe University of St Andrewsen_US


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