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dc.contributor.authorHall, Katie
dc.contributor.authorOram, Mike W.
dc.contributor.authorCampbell, Matthew W.
dc.contributor.authorEppley, Timothy M.
dc.contributor.authorByrne, Richard W.
dc.contributor.authorde Waal, Frans B. M.
dc.date.accessioned2017-11-28T00:31:45Z
dc.date.available2017-11-28T00:31:45Z
dc.date.issued2017-03
dc.identifier.citationHall , K , Oram , M W , Campbell , M W , Eppley , T M , Byrne , R W & de Waal , F B M 2017 , ' Chimpanzee uses manipulative gaze cues to conceal and reveal information to foraging competitor ' , American Journal of Primatology , vol. 79 , no. 3 , pp. 1-11 . https://doi.org/10.1002/ajp.22622en
dc.identifier.issn0275-2565
dc.identifier.otherPURE: 247649075
dc.identifier.otherPURE UUID: c095ed38-d5c4-415b-b147-36b9a80e1e0b
dc.identifier.otherScopus: 85005808180
dc.identifier.otherORCID: /0000-0001-9862-9373/work/60630546
dc.identifier.otherWOS: 000394651600009
dc.identifier.otherORCID: /0000-0001-5005-4208/work/64517462
dc.identifier.urihttp://hdl.handle.net/10023/12181
dc.descriptionThis project was funded by the National Institutes of Health's Office of Research Infrastructure Programs base grant to the Yerkes National Primate Research Center—P51OD011132. Financial support for KH was provided by Janet T. Anderson Trust, Scottish Overseas Research Student Award Scheme, and a University of St Andrews School of Psychology studentship. MWC was supported by the FIRST program (NIH/NIGMS (USA) IRACDA grant number K12 GM000680).en
dc.description.abstractTactical deception has been widely reported in primates on a functional basis, but details of behavioral mechanisms are usually unspecified. We tested a pair of chimpanzees (Pan troglodytes) in the informed forager paradigm, in which the subordinate saw the location of hidden food and the dominant did not. We employed cross-correlations to examine temporal contingencies between chimpanzees’ behavior: specifically how the direction of the subordinate’s gaze and movement functioned to manipulate the dominant’s searching behavior through two tactics, withholding and misleading information. In Experiment 1, not only did the informed subordinate tend to stop walking towards a single high value food, but she also refrained from gazing towards it, thus withholding potentially revealing cues from her searching competitor. In a second experiment, in which a moderate value food was hidden in addition to the high value food, whenever the subordinate alternated her gaze between the dominant and the moderate value food, she often paused walking for 5 seconds; this frequently recruited the dominant to the inferior food, functioning as a "decoy". The subordinate flexibly concealed and revealed gaze towards a goal, which suggests that not only can chimpanzees use visual cues to make predictions about behavior, but also that chimpanzees may understand that other individuals can exploit their gaze direction. These results substantiate descriptive reports of how chimpanzees use gaze to manipulate others, and to our knowledge are the first quantitative data to identify behavioral mechanisms of tactical deception.
dc.format.extent11
dc.language.isoeng
dc.relation.ispartofAmerican Journal of Primatologyen
dc.rights© 2016, Wiley Periodicals, Inc. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at onlinelibrary.wiley.com / https://doi.org/10.1002/ajp.22622en
dc.subjectTactical deceptionen
dc.subjectMachiavellian intelligenceen
dc.subjectGaze followingen
dc.subjectInformed forager paradigmen
dc.subjectPan troglodytesen
dc.subjectBF Psychologyen
dc.subjectQH301 Biologyen
dc.subjectQL Zoologyen
dc.subjectRC0321 Neuroscience. Biological psychiatry. Neuropsychiatryen
dc.subjectNDASen
dc.subject.lccBFen
dc.subject.lccQH301en
dc.subject.lccQLen
dc.subject.lccRC0321en
dc.titleChimpanzee uses manipulative gaze cues to conceal and reveal information to foraging competitoren
dc.typeJournal articleen
dc.description.versionPostprinten
dc.contributor.institutionUniversity of St Andrews.School of Psychology and Neuroscienceen
dc.contributor.institutionUniversity of St Andrews.Institute of Behavioural and Neural Sciencesen
dc.contributor.institutionUniversity of St Andrews.Centre for Social Learning & Cognitive Evolutionen
dc.identifier.doihttps://doi.org/10.1002/ajp.22622
dc.description.statusPeer revieweden
dc.date.embargoedUntil2017-11-27


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