Altered Auditory Feedback and Stuttering

Oliver Bloodstein

doi:10.1044/jslhr.4204.910

Altered Auditory Feedback and Stuttering

Journal of Speech Language and Hearing Research ◽

10.1044/jslhr.4204.910 ◽

1999 ◽

Vol 42 (4) ◽

pp. 910-911 ◽

Cited By ~ 4

Author(s):

Oliver Bloodstein

Keyword(s):

Auditory Feedback

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Delayed Auditory Feedback with Different Delay Times at Each Ear

Journal of Speech and Hearing Research ◽

10.1044/jshr.0704.369 ◽

1964 ◽

Vol 7 (4) ◽

pp. 369-371

Author(s):

Samuel Fillenbaum

Keyword(s):

Delay Interval ◽

Auditory Feedback ◽

Normal Subjects ◽

Delayed Auditory Feedback ◽

Delay Times

Binaurally asynchronous delayed auditory feedback (DAF) was compared with synchronous DAF in 80 normal subjects. Asynchronous DAF (0.10 sec difference) did not yield results different from those obtained under synchronous DAF with a 0.20 sec delay interval, an interval characteristically resulting in maximum disruptions in speech.

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Effects of Noise and Increased Vocal Intensity on Stuttering

Journal of Speech and Hearing Research ◽

10.1044/jshr.2002.233 ◽

1977 ◽

Vol 20 (2) ◽

pp. 233-240 ◽

Cited By ~ 17

Author(s):

Sharon F. Garber ◽

Richard R. Martin

Keyword(s):

Normal Level ◽

Auditory Feedback ◽

Concomitant Increase ◽

Vocal Intensity ◽

Presence And Absence

The present study was designed to assess the effects of increased vocal level on stuttering in the presence and absence of noise, and to assess the effects of noise on stuttering with and without a concomitant increase in vocal level. Accordingly, eight adult stutterers spoke in quiet with normal vocal level, in quiet with increased vocal level, in noise with normal level, and in noise with increased level. All subjects reduced stuttering in noise compared with quiet conditions. However, there was no difference in stuttering when subjects spoke with normal compared with increased vocal level. In the present study, reductions in stuttering under noise could not be explained by increases in vocal level. It appears, instead, that reductions in stuttering were related to a decrease in auditory feedback. The condition which resulted in the largest decrease in auditory feedback, speaking in noise with a normal level, also resulted in the largest decrease in stuttering.

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