Influence of visual information on the intelligibility of dysarthric speech

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Purpose: To examine the influence of visual information on speech intelligibility for a group of speakers with dysarthria associated with Parkinson's disease. Method: Eight speakers with Parkinson's disease and dysarthria were recorded while they read sentences. Speakers performed a concurrent manual task to facilitate typical speech production. Twenty listeners (10 experienced and 10 inexperienced) transcribed sentences while watching and listening to videotapes of the speakers (auditory-visual mode) and while only listening to the speakers (auditory-only mode). Results: Significant main effects were found for both presentation mode and speaker. Auditory-visual scores were significantly higher than auditory-only scores for the 3 speakers with the lowest intelligibility scores. No significant difference was found between the 2 listener groups. Conclusions: The findings suggest that clinicians should consider both auditory-visual and auditory-only intelligibility measures in speakers with Parkinson's disease to determine the most effective strategies aimed at evaluation and treatment of speech intelligibility decrements.

Original languageEnglish (US)
Pages (from-to)222-234
Number of pages13
JournalAmerican Journal of Speech-Language Pathology
Volume16
Issue number3
DOIs
StatePublished - Aug 2007

Fingerprint

Speech Intelligibility
Parkinson Disease
Dysarthria
Disease
listener
Videotape Recording
Group
evaluation

Keywords

  • Auditory-visual cues
  • Listener experience
  • Parkinson's disease
  • Speech perception

ASJC Scopus subject areas

  • Rehabilitation
  • Health Professions(all)
  • Linguistics and Language

Cite this

Influence of visual information on the intelligibility of dysarthric speech. / Keintz, Connie K.; Bunton, Kate E; Hoit, Jeannette Dee.

In: American Journal of Speech-Language Pathology, Vol. 16, No. 3, 08.2007, p. 222-234.

Research output: Contribution to journalArticle

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