Laryngeal Muscle Activity During Stuttering Laryngeal muscle activity during fluent and stuttered utterances was investigated via electromyography. Analysis revealed that stuttering was accompanied by high levels of laryngeal muscle activity and disruption of normal reciprocity between abductor and adductor muscle groups. Results are interpreted as demonstrating the existence of a laryngeal component in stuttering and ... Research Article
Research Article  |   September 01, 1978
Laryngeal Muscle Activity During Stuttering
 
Author Affiliations & Notes
  • Frances J. Freeman
    Haskins Laboratories, New Haven, Connecticut
  • Tatsujiro Ushijima
    Haskins Laboratories, New Haven, Connecticut
Article Information
Research Articles
Research Article   |   September 01, 1978
Laryngeal Muscle Activity During Stuttering
Journal of Speech, Language, and Hearing Research, September 1978, Vol. 21, 538-562. doi:10.1044/jshr.2103.538
History: Received December 19, 1975 , Accepted February 14, 1978
 
Journal of Speech, Language, and Hearing Research, September 1978, Vol. 21, 538-562. doi:10.1044/jshr.2103.538
History: Received December 19, 1975; Accepted February 14, 1978

Laryngeal muscle activity during fluent and stuttered utterances was investigated via electromyography. Analysis revealed that stuttering was accompanied by high levels of laryngeal muscle activity and disruption of normal reciprocity between abductor and adductor muscle groups. Results are interpreted as demonstrating the existence of a laryngeal component in stuttering and showing a strong correlation between abnormal laryngeal muscle activity and moments of stuttering.

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