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{
    "pk": 5168,
    "title": "A Zoo-housed Chimpanzee’s (\nPan troglodytes\n) Responses to Potentially Arousing Stimuli",
    "subtitle": null,
    "abstract": "In Experiment 1, we wished to determine whether a singly-housed adult male captive chimpanzee could discriminate the behavioral categories of sex and aggression. He was reinforced for selecting sexual rather than aggressive images on a touch-screen computer in a two-choice discrimination paradigm. He showed no discrimination after 24 sessions with non-human photos, but immediately selected human sexual images at above-chance levels. To explore whether this differential discrimination was due to a preference for human sexual images, he was presented with images of humans versus non-humans under non-differential reinforcement in Experiment 2. He preferred human photos if the images depicted sex, but not if the images depicted aggression. To further explore these preferences in Experiment 3 the chimpanzee was presented with images of genitalia of non-humans versus humans, genitalia versus eyes, and finally female versus male genitalia of both non-humans and humans, using non-differential reinforcement. The chimpanzee preferred human to non-human genitalia, and eyes to genitalia, but did not prefer female to male genitalia. This chimpanzee’s unusual social environment may have interfered with species-typical social preferences.",
    "language": "en",
    "license": {
        "name": "Creative Commons Attribution 4.0",
        "short_name": "CC BY 4.0",
        "text": "Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\r\n\r\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",
        "url": "https://creativecommons.org/licenses/by/4.0"
    },
    "keywords": [
        {
            "word": "International Journal of Comparative Psychology"
        },
        {
            "word": "Behavior"
        },
        {
            "word": "Behaviour"
        },
        {
            "word": "Behavioral Taxonomy"
        },
        {
            "word": "learning"
        },
        {
            "word": "cognition"
        },
        {
            "word": "Cognitive Processes"
        },
        {
            "word": "Zoo"
        },
        {
            "word": "Zoo-housed"
        },
        {
            "word": "Chimpanzee"
        },
        {
            "word": "Response"
        },
        {
            "word": "Potentially"
        },
        {
            "word": "Arousing"
        },
        {
            "word": "Stimuli"
        }
    ],
    "section": "Research Article",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/59k63154",
    "frozenauthors": [
        {
            "first_name": "Jennifer",
            "middle_name": "",
            "last_name": "Vonk",
            "name_suffix": "",
            "institution": "Oakland University",
            "department": "None"
        },
        {
            "first_name": "Cory",
            "middle_name": "E.",
            "last_name": "Vedder",
            "name_suffix": "",
            "institution": "University of Southern Mississippi",
            "department": "None"
        }
    ],
    "date_submitted": "2013-11-04T10:20:40+11:00",
    "date_accepted": "2013-11-04T10:20:40+11:00",
    "date_published": "2013-08-01T17:00:00+10:00",
    "render_galley": null,
    "galleys": [
        {
            "label": "",
            "type": "",
            "path": "https://journalpub.escholarship.org/uclapsych_ijcp/article/5168/galley/3048/download/"
        }
    ]
}