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Improving alaryngeal speech intelligibility.

J M Christensen1, P E Dwyer

  • 1Department of Communicative Disorders and Sciences, University of Tulsa.

Journal of Communication Disorders
|December 1, 1990
PubMed
Summary
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Alaryngeal speakers often confuse voiced and voiceless consonants. A new therapy technique focuses on improving voiceless consonant production to enhance speech intelligibility for laryngectomy patients.

Area of Science:

  • Speech-Language Pathology
  • Otolaryngology
  • Phonetics

Background:

  • Laryngectomized patients struggle with voicing contrasts between homorganic consonants.
  • Listener misidentification frequently involves the voicing of voiceless consonants.
  • Esophageal speech and electronic artificial larynx users exhibit these difficulties.

Purpose of the Study:

  • To describe a novel therapy technique for improving alaryngeal speech intelligibility.
  • To investigate the impact of focusing on voiceless consonant production.
  • To provide recommendations for laryngectomy speech therapy programs.

Main Methods:

  • A therapy approach emphasizing increased effort for voiceless consonants was developed.
  • The technique aims to improve the production of target sounds.

Related Experiment Videos

  • Clinical observation and intelligibility assessments informed the therapy design.

    • Main Results:

    • The 'pushing harder' technique showed promise in improving voiceless consonant production.
    • Enhanced voiceless consonant production is hypothesized to reduce voicing confusions.
    • Improved intelligibility is the expected outcome for alaryngeal speakers.

    Conclusions:

    • Speech therapy for laryngectomy patients should prioritize voiceless consonant production.
    • Addressing voiceless consonant errors first may lead to better overall speech intelligibility.
    • This approach offers a targeted strategy for alaryngeal speech rehabilitation.