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Deaf speakers' laryngeal behavior.

J J Mahshie, E G Conture

    Journal of Speech and Hearing Research
    |December 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Deaf speakers

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    Area of Science:

    • Laryngology
    • Speech-Language Pathology
    • Linguistics

    Background:

    • Deaf individuals often exhibit speech differences.
    • Laryngeal behavior is crucial for producing voiced and voiceless consonants.
    • Understanding these differences can inform speech therapy.

    Purpose of the Study:

    • To compare the laryngeal behavior of deaf and normal-hearing speakers during consonant production.
    • To investigate differences in laryngeal control for voiced versus voiceless consonants in deaf speakers.
    • To identify potential causes of atypical laryngeal behavior in deaf speech.

    Main Methods:

    • Flexible fiberoptic nasolaryngoscopy to visualize laryngeal behavior.
    • Audiovisual recording of consonant productions (/b, d, g, p, t, k, v, z, ð, f, s, θ/).

    Related Experiment Videos

  • Frame-by-frame analysis of laryngeal movements and phonetic transcription of voicing accuracy.

    • Main Results:

    • Deaf speakers' laryngeal behavior matched normal speakers for accurately voiced consonants.
    • Significant differences were observed in deaf speakers' laryngeal behavior for inaccurately voiced consonants.
    • Atypical laryngeal patterns in deaf speakers varied depending on voicing accuracy.

    Conclusions:

    • Deaf speakers' laryngeal control for accurately voiced consonants is comparable to normal speakers.
    • Deviations in laryngeal behavior for inaccurately voiced consonants may stem from linguistic system differences or motor control deficits.
    • Findings suggest a dual etiology for atypical laryngeal patterns in deaf speech.