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{
    "pk": 26037,
    "title": "Perspective Taking in Communicative Pointing: An Optimal Feedback Control\nModeling Approach",
    "subtitle": null,
    "abstract": "Pointing movements can serve instrumental goals (‘pointing to press a button’) or communicative goals (‘pointing\nto indicate to someone which button to press’). Previous work has shown that communicative pointing follows different trajectories,\nand has different end points than instrumental pointing movements, depending on the addressee’s spatial location. This\nsuggests that motor control processes are affected by communicative intentions, but the nature of this interface remains unknown.\nUsing optimal feedback control theory, we construct a model of instrumental pointing, and explore how this model can\nbe adjusted to reproduce the dependency between communicative trajectories and addressees’ locations. Our results show that\nthe variations in end points cannot account for those trajectories. Instead, the kinematic data are best explained by ‘perspective\ntaking’ on the part of the communicator, i.e., communicative pointing movements seem to be planned in a frame of reference\nthat is adjusted to the addressee’s point of view.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [],
    "section": "Member Abstracts",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/1615r185",
    "frozenauthors": [
        {
            "first_name": "Tobias",
            "middle_name": "",
            "last_name": "Winner",
            "name_suffix": "",
            "institution": "Radboud University Nijmegen, Donders Institute for Brain",
            "department": ""
        },
        {
            "first_name": "Luc",
            "middle_name": "",
            "last_name": "Selen",
            "name_suffix": "",
            "institution": "Radboud University Nijmegen, Donders Institute for Brain",
            "department": ""
        },
        {
            "first_name": "Lennart",
            "middle_name": "",
            "last_name": "Verhagen",
            "name_suffix": "",
            "institution": "University of Oxford",
            "department": ""
        },
        {
            "first_name": "Pieter",
            "middle_name": "",
            "last_name": "Medendorp",
            "name_suffix": "",
            "institution": "Radboud University Nijmegen, Donders Institute for Brain",
            "department": ""
        },
        {
            "first_name": "Ivan",
            "middle_name": "",
            "last_name": "Toni",
            "name_suffix": "",
            "institution": "Radboud University Nijmegen, Donders Institute for Brain",
            "department": ""
        },
        {
            "first_name": "Iris",
            "middle_name": "",
            "last_name": "van Rooij",
            "name_suffix": "",
            "institution": "Radboud University Nijmegen, Donders Institute for Brain",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "2015-01-01T18:00:00Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/26037/galley/15661/download/"
        }
    ]
}