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Sidetone amplification, noise, and stuttering.

R R Martin, G M Siegel, L J Johnson

    Journal of Speech and Hearing Research
    |December 1, 1984
    PubMed
    Summary
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    Stuttering may be reduced by listening to noise or amplified sidetone. For stutterers, noise exposure first enhanced the stuttering reduction effects of amplified sidetone.

    Area of Science:

    • Speech and Hearing Sciences
    • Neuroscience of Speech Production

    Background:

    • Stuttering is a complex speech disorder affecting fluency.
    • Environmental factors like noise and auditory feedback can influence stuttering severity.

    Purpose of the Study:

    • To investigate the effects of noise and amplified sidetone on vocal intensity and stuttering frequency.
    • To determine if the order of exposure to these conditions impacts stuttering reduction.

    Main Methods:

    • 24 individuals who stutter and 24 non-stuttering controls spoke spontaneously under varying conditions of ambient noise and amplified sidetone.
    • Vocal intensity and stuttering frequency were measured across conditions.

    Main Results:

    • Both stutterers and non-stutterers decreased vocal intensity in amplified sidetone.

    Related Experiment Videos

  • Increased vocal intensity was observed in noise for most participants.
  • Group stuttering frequency significantly decreased in noise conditions.
  • Amplified sidetone reduced stuttering only when preceded by noise exposure.

    • Conclusions:

    • Noise and amplified sidetone can modulate vocal intensity and reduce stuttering frequency in individuals who stutter.
    • The sequence of auditory stimulation is critical for maximizing the therapeutic effects of amplified sidetone on stuttering.