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    A connectionist account of asymmetric category learning in early infancy

    Mareschal, Denis and French, R.M. and Quinn, P.C. (2000) A connectionist account of asymmetric category learning in early infancy. Developmental Psychology 36 (5), pp. 635-645. ISSN 0012-1649.

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    Abstract

    Young infants show unexplained asymmetries in the exclusivity of categories formed on the basis of visually presented stimuli. A connectionist model is described that shows similar exclusivity asymmetries when categorizing the same stimuli presented to infants. The asymmetries can be explained in terms of an associative learning mechanism, distributed internal representations, and the statistics of the feature distributions in the stimuli. The model was used to explore the robustness of this asymmetry. The model predicts that the asymmetry will persist when a category is acquired in the presence of mixed category exemplars. An experiment with 3-4-month-olds showed that asymmetric exclusivity persisted in the presence of mixed-exemplar familiarization, thereby confirming the model's prediction.

    Metadata

    Item Type: Article
    School: Birkbeck Schools and Departments > School of Science > Psychological Sciences
    Research Centre: Brain and Cognitive Development, Centre for (CBCD)
    Depositing User: Administrator
    Date Deposited: 02 Aug 2017 09:26
    Last Modified: 02 Aug 2017 09:26
    URI: http://eprints.bbk.ac.uk/id/eprint/19262

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