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Related Experiment Videos

Toward phonetic intelligibility testing in dysarthria.

R D Kent1, G Weismer, J F Kent

  • 1University of Wisconsin-Madison.

The Journal of Speech and Hearing Disorders
|November 1, 1989
PubMed
Summary
This summary is machine-generated.

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Measuring speech intelligibility in dysarthric individuals is complex. This study proposes a new word intelligibility test to assess acoustic-phonetic contrasts sensitive to dysarthric impairment.

Area of Science:

  • Speech-Language Pathology
  • Neurology
  • Acoustics

Background:

  • Assessing speech intelligibility in individuals with dysarthria is crucial for clinical management and research.
  • Intelligibility is a relative measure influenced by various factors including test materials, procedures, and speaker state.
  • Existing measurement methods for dysarthric speech require review and refinement.

Purpose of the Study:

  • To review current scaling procedures and item identification tests for dysarthric speech.
  • To propose a new word intelligibility test designed to identify key acoustic-phonetic contrasts.
  • To guide research on the acoustic or physiological correlates of intelligibility impairment in dysarthria.

Main Methods:

  • Review of existing scaling procedures and item identification tests.

Related Experiment Videos

  • Design of a new word intelligibility test focusing on 19 acoustic-phonetic contrasts.
  • Application of the proposed test to a sample group of individuals with amyotrophic lateral sclerosis (ALS).

    • Main Results:

    • Preliminary data from ALS subjects illustrate the test's utility.
    • The proposed test examines contrasts sensitive to dysarthric impairment.
    • The test aids in the phonetic interpretation of intelligibility deficits.

    Conclusions:

    • A novel word intelligibility test is proposed for dysarthric speakers.
    • The test is designed to identify specific acoustic-phonetic features impacting intelligibility.
    • This approach facilitates a more precise phonetic interpretation of intelligibility impairments in dysarthria.