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Delayed auditory feedback with children

G M Siegel, C A Fehst, S R Garber

    Journal of Speech and Hearing Research
    |December 1, 1980
    PubMed
    Summary
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    Youngest children are most affected by delayed auditory feedback (DAF) during speech tasks. This developmental pattern in speech disruption by DAF was observed across different age groups and delay intervals.

    Area of Science:

    • Speech-Language Pathology
    • Developmental Psychology
    • Auditory Neuroscience

    Background:

    • Delayed auditory feedback (DAF) effects on speech are debated, particularly across different age groups.
    • Understanding DAF's impact is crucial for speech development and therapeutic interventions.

    Purpose of the Study:

    • To investigate the effects of varying delayed auditory feedback (DAF) intervals on the speech production of children and adults.
    • To determine if age influences speech disruption under DAF conditions.
    • To examine the role of speech rate instructions on DAF effects.

    Main Methods:

    • Sentence repetition task administered to 5-year-olds, 8-year-olds, and adults.
    • Speech was amplified and subjected to delayed auditory feedback (DAF) at 0, 250, 375, 500, and 625 msec.

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  • Subjects completed the task under normal and rapid speech rate instructions.

    • Main Results:

    • A significant developmental pattern was observed, with 5-year-olds exhibiting greater speech disruption from DAF compared to older children and adults.
    • Weak evidence suggested an age-dependent critical delay interval.
    • Speech rate instructions did not significantly alter the observed DAF or age-related patterns.

    Conclusions:

    • Speech disruption by DAF demonstrates a clear developmental trajectory, with younger children being more susceptible.
    • Age is a critical factor in how individuals respond to delayed auditory feedback.
    • Speech rate does not appear to modulate the impact of DAF across development.