Predictive brain signals of linguistic development

V.M. Kooijman, C. Junge, E.K. Johnson, P. Hagoort, A. Cutler

    Research output: Contribution to journalArticleAcademicpeer-review

    38 Citations (Scopus)

    Abstract

    The ability to extract word forms from continuous speech is a prerequisite for constructing a vocabulary and emerges in the first year of life. Electrophysiological (ERR) studies of speech segmentation by 9- to 12-month-old listeners in several languages have found a left-localized negativity linked to word onset as a marker of word detection. We report an ERR study showing significant evidence of speech segmentation in Dutch-learning 7-month-olds. In contrast to the left-localized negative effect reported with older infants, the observed overall mean effect had a positive polarity. Inspection of individual results revealed two participant sub-groups: a majority showing a positive-going response, and a minority showing the left negativity observed in older age groups. We retested participants at age three, on vocabulary comprehension and word and sentence production. On every test, children who at 7 months had shown the negativity associated with segmentation of words from speech outperformed those who had produced positive-going brain responses to the same input. The earlier that infants show the left-localized brain responses typically indicating detection of words in speech, the better their early childhood language skills.
    Original languageEnglish
    Article number25
    JournalFrontiers in Psychology
    Volume4
    DOIs
    Publication statusPublished - 2013

    Keywords

    • event-related potentials
    • word segmentation
    • language-development
    • speech-perception
    • electrophysiological evidence
    • cerebral specialization
    • american infants
    • native-language
    • 1st year
    • recognition

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  • Cite this

    Kooijman, V. M., Junge, C., Johnson, E. K., Hagoort, P., & Cutler, A. (2013). Predictive brain signals of linguistic development. Frontiers in Psychology, 4, [25]. https://doi.org/10.3389/fpsyg.2013.00025