Statistical analyses of electromyographic activity in spasmodic dysphonic and normal control subjects

Ben C. Watson, Donald McIntire, Rick M. Roark, Steven D. Schaefer

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Heterogeneity in the quality and task sensitivity of vocal symptoms in the spasmodic dysphonia (SD) population contributes to controversy as to whether this is a single disorder or two disorders with different etiologies (neurogenic versus psychogenic). Perceptual and acoustic assessments of vocal symptoms are inadequate to resolve this controversy. However, myoelectric events are intimately proximal to the source of vocal disruption and may be informative. The present report employs statistical modeling of quantitative amplitude measures of electromyographic activity recorded from thyroarytenoid to examine neuromotor bases of vocal symptoms in SD. Consideration of perceptual ratings of the quality and task sensitivity of vocal symptoms in the context of statistical models provides support for the conclusion that the range of vocal symptoms identified as SD represents a single, neurogenic disorder.

Original languageEnglish (US)
Pages (from-to)3-15
Number of pages13
JournalJournal of Voice
Volume9
Issue number1
DOIs
StatePublished - 1995

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Dysphonia
Symptom Assessment
Statistical Models
Acoustics
Population

Keywords

  • Quantitative electromyography
  • Spasmodic dysphonia
  • Statistical modeling

ASJC Scopus subject areas

  • Otorhinolaryngology
  • LPN and LVN
  • Speech and Hearing

Cite this

Statistical analyses of electromyographic activity in spasmodic dysphonic and normal control subjects. / Watson, Ben C.; McIntire, Donald; Roark, Rick M.; Schaefer, Steven D.

In: Journal of Voice, Vol. 9, No. 1, 1995, p. 3-15.

Research output: Contribution to journalArticle

Watson, Ben C. ; McIntire, Donald ; Roark, Rick M. ; Schaefer, Steven D. / Statistical analyses of electromyographic activity in spasmodic dysphonic and normal control subjects. In: Journal of Voice. 1995 ; Vol. 9, No. 1. pp. 3-15.
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