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Oxytocin promotes species-relevant outgroup attention in bonobos and chimpanzees

Oxytocin promotes species-relevant outgroup attention in bonobos and chimpanzees

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BROOKS, James, Fumihiro KANO, Yuri KAWAGUCHI, Shinya YAMAMOTO, 2022. Oxytocin promotes species-relevant outgroup attention in bonobos and chimpanzees. In: Hormones and Behavior. Elsevier. 143, 105182. ISSN 0018-506X. eISSN 1095-6867. Available under: doi: 10.1016/j.yhbeh.2022.105182

@article{Brooks2022Oxyto-58441, title={Oxytocin promotes species-relevant outgroup attention in bonobos and chimpanzees}, year={2022}, doi={10.1016/j.yhbeh.2022.105182}, volume={143}, issn={0018-506X}, journal={Hormones and Behavior}, author={Brooks, James and Kano, Fumihiro and Kawaguchi, Yuri and Yamamoto, Shinya}, note={Article Number: 105182} }

<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:void="http://rdfs.org/ns/void#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/58441"> <dc:creator>Yamamoto, Shinya</dc:creator> <dc:rights>terms-of-use</dc:rights> <dc:creator>Brooks, James</dc:creator> <dc:creator>Kawaguchi, Yuri</dc:creator> <dc:contributor>Brooks, James</dc:contributor> <dcterms:issued>2022</dcterms:issued> <dcterms:rights rdf:resource="https://rightsstatements.org/page/InC/1.0/"/> <dc:contributor>Yamamoto, Shinya</dc:contributor> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/43615"/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dcterms:abstract xml:lang="eng">Previous research has found that oxytocin (OT) is associated with intergroup behaviour in humans as well as wild chimpanzees, and that exogenous OT affects Pan social attention. The two Pan species, bonobos and chimpanzees, differ drastically from one another in their intensity of intergroup competition, with lethal intergroup aggression often led by males in chimpanzees and more tolerant associations often centered around females in bonobos. However, it remains unclear how exogenous OT changes the two species' responses to ingroup and outgroup individuals. In this study, after intranasal administration of nebulized OT or placebo control, chimpanzees and bonobos viewed image pairs of ingroup and outgroup conspecifics while their eye movements were tracked with an eye-tracker. Although the overall effect of OT was small, we found that OT shifted bonobos' and chimpanzees' attention to outgroup images of the sex primarily involved in intergroup encounters in each species. Specifically, OT selectively shifted attention towards outgroup photos of female conspecifics in bonobos, and those of outgroup male conspecifics in chimpanzees. This suggests that OT generally promotes outgroup attention in both bonobos and chimpanzees but this effect is restricted to the sex most relevant in intergroup relations. These results suggest that, although OT may have a generally conserved role in hominid intergroup behaviour, it may act in species-relevant ways under the influence of their socio-ecological backgrounds.</dcterms:abstract> <dc:contributor>Kawaguchi, Yuri</dc:contributor> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/58441"/> <dc:contributor>Kano, Fumihiro</dc:contributor> <dc:language>eng</dc:language> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2022-08-31T09:49:06Z</dc:date> <dcterms:title>Oxytocin promotes species-relevant outgroup attention in bonobos and chimpanzees</dcterms:title> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2022-08-31T09:49:06Z</dcterms:available> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/43615"/> <dc:creator>Kano, Fumihiro</dc:creator> </rdf:Description> </rdf:RDF>

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