Sidetone Amplification, Noise, and Stuttering In the present study, 24 stutterers and 24 matched nonstutterers spoke spontaneously under conditions of quiet, noise (60, 80, 100 dB SPL re .0002 dynes/cm2), and amplified sidetone (0, + 10, + 20 dB SPL re .0002 dynes/cm2). All 24 stutterers and 23 of the 24 nonstutterers experienced a decrease ... Research Article
Research Article  |   December 01, 1984
Sidetone Amplification, Noise, and Stuttering
 
Author Affiliations & Notes
  • Richard R. Martin
    University of Minnesota, Minneapolis
  • Gerald M. Siegel
    University of Minnesota, Minneapolis
  • Linda J. Johnson
    University of Minnesota, Minneapolis
  • Samuel K. Haroldson
    University of Minnesota, Minneapolis
Article Information
Research Articles
Research Article   |   December 01, 1984
Sidetone Amplification, Noise, and Stuttering
Journal of Speech, Language, and Hearing Research, December 1984, Vol. 27, 518-527. doi:10.1044/jshr.2704.518
History: Received September 13, 1983 , Accepted May 2, 1984
 
Journal of Speech, Language, and Hearing Research, December 1984, Vol. 27, 518-527. doi:10.1044/jshr.2704.518
History: Received September 13, 1983; Accepted May 2, 1984

In the present study, 24 stutterers and 24 matched nonstutterers spoke spontaneously under conditions of quiet, noise (60, 80, 100 dB SPL re .0002 dynes/cm2), and amplified sidetone (0, + 10, + 20 dB SPL re .0002 dynes/cm2). All 24 stutterers and 23 of the 24 nonstutterers experienced a decrease in vocal intensity from quiet to 20 dB amplified sidetone. All the nonstutterers and 23 of the stutterers experienced an increase in vocal intensity, from quiet to 100 dB noise. As a group, the stutterers experienced a significant decrease in stuttering in the noise conditions; however, with regard to the amplified sidetone conditions, only those stutterers who experienced noise first showed a significant reduction in stuttering during amplified sidetone.

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