Utterances in infant-directed speech are shorter, not slower

Andrew Martin*, Yosuke Igarashi, Nobuyuki Jincho, Reiko Mazuka

*この研究の対応する著者

    研究成果: Article査読

    24 被引用数 (Scopus)

    抄録

    It has become a truism in the literature on infant-directed speech (IDS) that IDS is pronounced more slowly than adult-directed speech (ADS). Using recordings of 22 Japanese mothers speaking to their infant and to an adult, we show that although IDS has an overall lower mean speech rate than ADS, this is not the result of an across-the-board slowing in which every vowel is expanded equally. Instead, the speech rate difference is entirely due to the effects of phrase-final lengthening, which disproportionally affects IDS because of its shorter utterances. These results demonstrate that taking utterance-internal prosodic characteristics into account is crucial to studies of speech rate.

    本文言語English
    ページ(範囲)52-59
    ページ数8
    ジャーナルCognition
    156
    DOI
    出版ステータスPublished - 2016 11月 1

    ASJC Scopus subject areas

    • 言語および言語学
    • 実験心理学および認知心理学
    • 発達心理学および教育心理学
    • 言語学および言語
    • 認知神経科学

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