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{
    "pk": 29906,
    "title": "Hierarchical Inferences Support Systematicity in the Lexicon",
    "subtitle": null,
    "abstract": "Language exhibits striking systematicity in its form-meaningmappings: Similar meanings are assigned similar forms. Herewe study how systematicity relates to another well-studiedphenomenon, linguistic regularization, the removal of unpre-dictable variation in linguistic variants. Systematicity is ulti-mately a property of classes of form-meaning mappings, eachmember of which can be acted upon independently by linguis-tic regularization. Both are supported by a cognitive bias forsimplicity, but this leaves open the question of how they inter-act to structure the lexicon. Using data from a recent artificialgesture learning experiment by Verhoef, Padden, and Kirby(2016), we formalize cognitive biases at the item level and thelanguage level as inductive biases in a hierarchical Bayesianmodel. Simulated data from models that lack either one ofthose biases show how both are necessary to capture subjects’systematicity preferences. Our results bring conceptual clar-ity about the relationship between regularization and system-aticity and promote a multi-level approach to cognitive biasesin artificial language learning and language evolution.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [
        {
            "word": "systematicity; Bayesian modeling; regularization; signlanguage; artificial language learning"
        }
    ],
    "section": "Poster Session 2",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/6jb5n9c2",
    "frozenauthors": [
        {
            "first_name": "Matthias",
            "middle_name": "",
            "last_name": "Hofer",
            "name_suffix": "",
            "institution": "Massachusetts Institute of Technology",
            "department": ""
        },
        {
            "first_name": "Tessa",
            "middle_name": "",
            "last_name": "Verhoef",
            "name_suffix": "",
            "institution": "University of Leiden",
            "department": ""
        },
        {
            "first_name": "Roger",
            "middle_name": "",
            "last_name": "Levy",
            "name_suffix": "",
            "institution": "Massachusetts Institute of Technology",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "2020-01-01T18:00:00Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/29906/galley/19760/download/"
        }
    ]
}