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{
    "pk": 5369,
    "title": "Spatial overshadowing in pigeons: Evidence for an acquisition deficit",
    "subtitle": null,
    "abstract": "We investigated theoretical accounts of spatial overshadowing using a landmark-based spatial-search task in a touchscreen preparation with pigeons. Pigeons first learned to find a hidden target on a screen using a compound of two visual cues as landmarks. Landmark A was proximal to the target while landmark X was distal to the target. Experiment 1 replicated our prior spatial overshadowing effect whereby landmark A overshadowed the development of spatial control by X. Spatial control by X was also poorer than by landmark Y which had been paired with the target alone but with the same absolute distance to the target as X had. Thus, the poor spatial control by X was not merely due to the greater X-target distance (relative to the A-target distance). Experiments 2a and 2b failed to find recovery from spatial overshadowing of X through either post-training extinction or counterconditioning of overshadowing landmark A, respectively. We interpret our results as being consistent with acquisition-focused models of elementary associative learning, but not with performance-focused models.",
    "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": "pigeon, spatial learning, overshadowing"
        }
    ],
    "section": "Research Article",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/2p1212n7",
    "frozenauthors": [
        {
            "first_name": "Jared",
            "middle_name": "",
            "last_name": "Wong",
            "name_suffix": "",
            "institution": "UCLA",
            "department": "None"
        },
        {
            "first_name": "Kenneth",
            "middle_name": "J.",
            "last_name": "Leising",
            "name_suffix": "",
            "institution": "Texas Christian University",
            "department": "None"
        },
        {
            "first_name": "Aaron",
            "middle_name": "P",
            "last_name": "Blaisdell",
            "name_suffix": "",
            "institution": "UCLA",
            "department": "None"
        }
    ],
    "date_submitted": "2015-07-29T02:39:51-07:00",
    "date_accepted": "2015-07-29T02:39:51-07:00",
    "date_published": "2016-05-05T17:43:52-07:00",
    "render_galley": null,
    "galleys": [
        {
            "label": "",
            "type": "",
            "path": "https://journalpub.escholarship.org/uclapsych_ijcp/article/5369/galley/3225/download/"
        }
    ]
}