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{
    "pk": 27498,
    "title": "Probability matching as a cognitive basis of cultural drift",
    "subtitle": null,
    "abstract": "In the field of cultural evolution, cognitive agents are either seen as perfect imitators who reproduce cultural variantsveridically (e.g. Boyd & Richerson 1985) or as imperfect imitators who transform the variants as they replicate them (e.g.Sperber 1996). In this poster, I explain how the transformative view of cognition applies to not only to the generation ofvariants, but also to the way we learn frequency distributions. Probability matching is a widely-observed human behaviorwhere learners reproduce a frequency distribution over variants with a small amount of error and is equivalent to Wright-Fisher drift when the variance in error is binomial/multinomial. However, humans and learning algorithms can produce errordistributions that are non-binomial/non-multinomial, which constitute a broader class of drift processes than those that exist ingenetic evolution or in perfect-imitator models of cultural evolution.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [],
    "section": "Posters: Member Abstracts",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/9610g5pn",
    "frozenauthors": [
        {
            "first_name": "Vanessa",
            "middle_name": "",
            "last_name": "Ferdinand",
            "name_suffix": "",
            "institution": "Santa Fe Institute",
            "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/27498/galley/17134/download/"
        }
    ]
}