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A radically new, yet simple, treatment for stuttering

L P Srivatsa1

  • 1Palo Alto Retinal Medical Group, Los Altos, California 94022, USA.

Medical Hypotheses
|December 1, 1995
PubMed
Summary

Stuttering may stem from an incompetent velopharyngeal isthmus, a speech structure. Correcting this articulatory deficit with neck hyperextension could potentially treat stuttering.

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Area of Science:

  • Speech-language pathology
  • Neurology
  • Developmental biology

Background:

  • The precise etiology of stuttering remains unknown.
  • Current understanding lacks a definitive developmental or neurological basis.
  • Speech phonation analysis in various cases provides insights into potential mechanisms.

Purpose of the Study:

  • To propose a novel hypothesis for the cause of stuttering.
  • To investigate the role of the velopharyngeal isthmus in phonetic aberrations.
  • To suggest potential therapeutic interventions for articulatory deficits.

Main Methods:

  • Analysis of speech phonation in individuals with and without stuttering.
  • Hypothesizing a developmental incompetence of the velopharyngeal isthmus.
  • Correlating cortical function with velopharyngeal isthmus competence.

Main Results:

  • The velopharyngeal isthmus may be developmentally incompetent in stuttering.
  • Cortical attempts to normalize function on an incompetent isthmus may lead to phonetic errors.
  • This mechanism offers a potential explanation for stuttering's occurrence.

Conclusions:

  • Developmental incompetence of the velopharyngeal isthmus is a plausible cause of stuttering.
  • Phonetic aberration results from the brain's interaction with this incompetent structure.
  • Therapeutic strategies involving neck hyperextension, such as palatal lifts or cervical collars, are proposed.

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