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Related Experiment Videos

Choral reading with filtered speech: effect on stuttering.

Manish K Rami1, Joseph Kalinowski, Michael P Rastatter

  • 1Stuttering Research Laboratory, University of North Dakota, Grand Forks, USA. manish.rami@und.edu

Perceptual and Motor Skills
|June 25, 2005
PubMed
Summary

Filtered speech and whispered speech significantly reduced stuttering frequency in adults. These findings suggest that auditory feedback related to speech production may promote fluency in individuals who stutter.

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Area of Science:

  • Speech and Hearing Sciences
  • Neuroscience of Communication
  • Clinical Linguistics

Background:

  • Stuttering is a complex speech disorder affecting fluency.
  • Auditory feedback mechanisms are crucial for speech production.
  • Altered auditory feedback has shown potential in managing stuttering.

Purpose of the Study:

  • To investigate the effect of filtered speech and whispered speech on stuttering frequency.
  • To explore how specific frequency components of speech influence fluency in stutterers.

Main Methods:

  • A repeated-measures design was employed with 12 adult stutterers.
  • Participants read passages while listening to normal speech, whispered speech, and low-pass filtered speech (100 Hz, 500 Hz, 1 kHz).
  • Stuttering frequencies were analyzed across all conditions.

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Main Results:

  • Choral speech, 500 Hz, 1 kHz filtered speech, and whispered speech conditions significantly decreased stuttering frequency.
  • The 100 Hz filtered speech condition did not significantly alter stuttering frequency.
  • Auditory stimuli containing more detailed speech information appeared more effective in reducing stuttering.

Conclusions:

  • Filtered speech components and whispered speech can effectively reduce stuttering frequency.
  • Articulatory events and vocal tract output cues may play a role in inducing fluency.
  • Altered auditory feedback holds promise as a therapeutic strategy for stuttering.