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{
    "pk": 27160,
    "title": "TRACX2: a RAAM-like autoencoder modeling\ngraded chunking in infant visual-sequence learning",
    "subtitle": null,
    "abstract": "Even newborn infants are able to extract structure from a\nstream of sensory inputs and yet, how this is achieved remains\nlargely a mystery. We present a connectionist autoencoder\nmodel, TRACX2, that learns to extract sequence structure by\ngradually constructing chunks, storing these chunks in a\ndistributed manner across its synaptic weights, and\nrecognizing these chunks when they re-occur in the input\nstream. Chunks are graded rather than all-or-none in nature.\nAs chunks are learned their component parts become more\nand more tightly bound together. TRACX2 successfully\nmodels the data from four experiments from the infant visual\nstatistical-learning literature, including tasks involving low-\nsalience embedded chunk items, part-sequences, and illusory\nitems. The model also captures performance differences\nacross ages through the tuning of a single learning rate\nparameter. These results suggest that infant statistical learning\nis underpinned by the same domain general learning\nmechanism that operates in auditory statistical learning and,\npotentially, in adult artificial grammar learning.1",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [],
    "section": "Posters: Papers",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/776340ph",
    "frozenauthors": [
        {
            "first_name": "Robert",
            "middle_name": "M.",
            "last_name": "French",
            "name_suffix": "",
            "institution": "University Bourgogne Franche-Comté",
            "department": ""
        },
        {
            "first_name": "Denis",
            "middle_name": "",
            "last_name": "Mareschal",
            "name_suffix": "",
            "institution": "Birkbeck University of London",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "2017-01-01T18:00:00Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/27160/galley/16796/download/"
        }
    ]
}