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{
    "pk": 26097,
    "title": "Mind reading: Discovering individual preferences from eye movements using\nswitching hidden Markov models",
    "subtitle": null,
    "abstract": "Here we used a hidden Markov model (HMM) based ap-\nproach to infer individual choices from eye movements in\npreference decision-making. We assumed that during a deci-\nsion making process, participants may switch between explo-\nration and decision-making periods, and this behavior can be\nbetter captured with a Switching HMM (SHMM). Through\nclustering individual eye movement patterns described in\nSHMMs, we automatically discovered two groups of partici-\npants with different decision making behavior. One group\nshowed a strong and early bias to look more often at the to-be\nchosen stimulus (i.e., the gaze cascade effect; Shimojo et al.,\n2003) with a short final decision-making period. The other\ngroup showed a weaker cascade effect with a longer final de-\ncision-making period. The SHMMs also showed capable of\ninferring participants’ preference choice on each trial with\nhigh accuracy. Thus, our SHMM approach made it possible to\nreveal individual differences in decision making and discover\nindividual preferences from eye movement data.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [
        {
            "word": "hidden Markov model; gaze preference; eye\nmovement; face recognition."
        }
    ],
    "section": "Papers",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/27c7n6vv",
    "frozenauthors": [
        {
            "first_name": "Tim",
            "middle_name": "",
            "last_name": "Chuk",
            "name_suffix": "",
            "institution": "The University of Hong Kong",
            "department": ""
        },
        {
            "first_name": "Antoni",
            "middle_name": "B.",
            "last_name": "Chan",
            "name_suffix": "",
            "institution": "City University of Hong Kong",
            "department": ""
        },
        {
            "first_name": "Shinsuke",
            "middle_name": "(Shin)",
            "last_name": "Shimojo",
            "name_suffix": "",
            "institution": "California Institute of Technology",
            "department": ""
        },
        {
            "first_name": "Janet",
            "middle_name": "H.",
            "last_name": "Hsiao",
            "name_suffix": "",
            "institution": "The University of Hong Kong",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "2016-01-01T18:00:00Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/26097/galley/15733/download/"
        }
    ]
}