Improving the Sensitivity and Reliability of Auditory-Perceptual Assessment The purpose of this paper is to: Review procedures for the auditory-perceptual assessment of velopharyngeal insufficiency. Consider aspects of assessment that can be accommodated in various clinical settings, esp. schools. Comment on the strengths and limitations of perceptual assessment, and suggest means of coordinating perceptual data with instrumental ... Article
Article  |   November 01, 1999
Improving the Sensitivity and Reliability of Auditory-Perceptual Assessment
Author Affiliations & Notes
  • Raymond Kent
    University Of Wisconsin, Madison Wisconsin
Article Information
Articles
Article   |   November 01, 1999
Improving the Sensitivity and Reliability of Auditory-Perceptual Assessment
SIG 5 Perspectives on Speech Science and Orofacial Disorders, November 1999, Vol. 9, 12-15. doi:10.1044/ssod9.1.12
SIG 5 Perspectives on Speech Science and Orofacial Disorders, November 1999, Vol. 9, 12-15. doi:10.1044/ssod9.1.12
The purpose of this paper is to:
  1. Review procedures for the auditory-perceptual assessment of velopharyngeal insufficiency.

  2. Consider aspects of assessment that can be accommodated in various clinical settings, esp. schools.

  3. Comment on the strengths and limitations of perceptual assessment, and suggest means of coordinating perceptual data with instrumental data.

The concepts to be considered in auditory-perceptual assessment of velopharyngeal impairment are:
  • Velopharyngeal impairment—failure of the velopharyngeal mechanism to open or close in a normal fashion for speech, regardless of severity or etiology.

  • Hypernasality—perception of excessive nasal resonance during vowels, voiced consonants, or both.

  • Audible nasal emission—the sound of air flowing through the nasal cavities during stop, fricative, and affricate “pressure” consonants.

  • Phoneme-specific nasal emission of air—audible nasal emission of air for some, but not all, pressure consonants. Occurs especially for [s] and [z].

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