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Computational Modeling of Word Learning Biases by using Known Words Meanings

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タイトル: Computational Modeling of Word Learning Biases by using Known Words Meanings
著者: Kurosaki, K. 著作を一覧する
Omori, T. 著作を一覧する
キーワード: connectionist model
cognitive process
word learning bias
novel noun generalization task
vocabulary spurt
発行日: 2005年
出版者: ACTA Press
誌名: Artificial Intelligence and Soft Computing ~ASC 2005~ (9/12/2005 - 9/14/2005 Benidorm, Spain)
開始ページ: 201
終了ページ: 206
抄録: In the acquisition of their early nouns, it is well-known that young children have a tendency to understand the mean ing of novel nouns based on the similarity of shape. This phenomenon is called “shape bias.” Though this bias is re markable in solid objects, it is reported that children over generalize and misapply the bias to non-solid objects. For this phenomenon, learning models using distributed repre sentation are proposed. But the computational mechanism behind such children’s behavior has not been clarified. In this paper we aim to clarify the more detailed computa tional mechanisms of these biases. Therefore, we explicitly define word meanings by a “word category neuron model” and propose a “nearest neighbor hypothesis” that represents a plausible mechanism for children’s cognitive processes. Then, from a computer simulation based on the novel noun generalization task of developmental psychology, we show that the proposed hypotheses can better explain the emer gence of word learning bias and deflection in children’s word learning.
資料タイプ: article (author version)
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 黒崎 康介


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