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dc.contributor.authorKawaguchi, Yurien
dc.contributor.authorKuroshima, Hikaen
dc.contributor.authorFujita, Kazuoen
dc.contributor.alternative川口, ゆりja
dc.contributor.alternative黒島, 妃香ja
dc.contributor.alternative藤田, 和生ja
dc.date.accessioned2019-11-20T06:03:39Z-
dc.date.available2019-11-20T06:03:39Z-
dc.date.issued2019-5-16-
dc.identifier.issn0735-7036-
dc.identifier.issn1939-2087-
dc.identifier.urihttp://hdl.handle.net/2433/244806-
dc.description.abstractAcross various species, infant faces share various features referred to as “baby schema”(Lorenz, 1942). Assuming that these features are indeed shared among species, it is possible that nonhuman animals may perceive age information in conspecific and heterospecific faces. We tested whether tufted capuchin monkeys (Sapajus apella) would visually categorize age from faces. In Experiment 1, we trained 4 monkeys to discriminate adult and infant faces of conspecifics using a symbolic matching-to-sample procedure. We then tested whether their categorization transferred to faces of other species (i.e., dogs and humans). In Experiment 2, we trained another 2 monkeys on age categorization of heterospecific (human) faces and tested them with conspecific and dog faces, to assess whether conspecific age categorization in Experiment 1 was specific. In Experiment 3, the 4 monkeys from Experiment 1 were trained with human faces, whereas the 2 monkeys from Experiment 2 were trained with conspecific faces; we then tested all 6 monkeys with faces of dogs and other species including New World monkeys, Old World monkeys, apes, and carnivores. During training, the monkeys quickly learned to categorize adult and infant faces of both conspecifics and humans. However, age categorization failed to transfer to different species in the test phase in all 3 experiments.en
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherAmerican Psychological Association (APA)en
dc.rights©American Psychological Association, 2019. This paper is not the copy of record and may not exactly replicate the authoritative document published in the APA journal. Please do not copy or cite without author's permission. The final article is available, upon publication, at: https://doi.org/10.1037/com0000185.en
dc.rightsThis is not the published version. Please cite only the published version.en
dc.rightsこの論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。ja
dc.subjectcapuchin monkeyen
dc.subjectage categorizationen
dc.subjectoperant learningen
dc.subjectbaby schemaen
dc.subjectface recognitionen
dc.titleAge categorization of conspecific and heterospecific faces in capuchin monkeys (Sapajus apella)en
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.jtitleJournal of Comparative Psychology-
dc.identifier.volume133-
dc.identifier.issue4-
dc.identifier.spage502-
dc.identifier.epage511-
dc.relation.doi10.1037/com0000185-
dc.textversionauthor-
dc.addressDepartment of Psychology, Kyoto University Faculty of Letters (present: Primate Research Institute, Kyoto Universit)yen
dc.addressDepartment of Psychology, Kyoto University Graduate School of Lettersen
dc.addressDepartment of Psychology, Kyoto University Graduate School of Lettersen
dc.identifier.pmid31094533-
dcterms.accessRightsopen access-
datacite.awardNumber25240020-
datacite.awardNumber16H06301-
jpcoar.funderName日本学術振興会ja
jpcoar.funderName日本学術振興会ja
jpcoar.funderName.alternativeJapan Society for the Promotion of Science (JSPS)en
jpcoar.funderName.alternativeJapan Society for the Promotion of Science (JSPS)en
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