Changes in Reliance on Auditory Feedback Cues as a Function of Oral Practice

1971 ◽  
Vol 14 (2) ◽  
pp. 307-311 ◽  
Author(s):  
Ronald L. Webster ◽  
Michael F. Dorman

This experiment used a two-by-two factorial design to investigate the effects of two levels of oral practice and two types of auditory feedback upon reading times and number of speech disfluencies for 60 normally fluent speakers. During tests under delayed auditory feedback, subjects who had experienced six previous oral reading trials on a standard passage under normal auditory feedback made significantly fewer articulation errors and had significantly shorter reading times than subjects without prior reading practice. Tests of practiced subjects vs nonpracticed subjects under normal auditory feedback showed no significant differences in articulation errors or reading times. It was suggested that functional properties of auditory feedback cues were temporarily changed by oral reading practice.

1979 ◽  
Vol 22 (2) ◽  
pp. 343-353 ◽  
Author(s):  
Barbara Knauss Lechner

This investigation determined if fluency of the reader or type of auditory feedback changed characteristics of fundamental frequency or duration in oral reading by stutterers or nonstutterers. Mingographic tracings were made of sentences excerpted from tape recordings of paragraphs read by 15 adult male stutterers and 15 adult male nonstutterers in three conditions of feedback: normal auditory feedback (under earphones), delayed auditory feedback (0.14 sec delay), and masking (90 dB SPL). The data included 15 measures of fundamental frequency and two measures of duration. Stutterers read sentences in greater total time and with more downward inflections than nonstutterers. Comparison of the delayed auditory feedback (DAF) conditions with the normal auditory feedback (NAF) condition showed that the numbers of total, upward, and downward inflections and upward pitch shifts increased under DAF. In the DAF condition, average rates of upward and downward inflections decreased, and mean and median fundamental frequencies and total time increased. The only changes from the NAF to the masking condition were increases in mean and median fundamental frequencies.


1966 ◽  
Vol 18 (2) ◽  
pp. 583-586 ◽  
Author(s):  
Richard J. Rankin ◽  
William R. Balfrey

The IPAT 8-Parallel-Form Anxiety Scales were insensitive to stress generated in 24 Ss under conditions of normal and delayed auditory feedback. As a follow-up, 144 Ss were tested in a 3 × 2 × 2 factorial design, varying feedback condition, anxiety, and sex. The PFAB remained insensitive to this type of stress.


1964 ◽  
Vol 7 (4) ◽  
pp. 369-371
Author(s):  
Samuel Fillenbaum

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.


1974 ◽  
Vol 39 (1) ◽  
pp. 3-10 ◽  
Author(s):  
Bruce P. Ryan ◽  
Barbara Van Kirk

Operant speech fluency techniques are being used in a clinical program in a rehabilitation center to treat people who stutter. Establishment, transfer, and maintenance programs are used. Delayed auditory feedback is commonly employed to produce the initial fluent speech. From more than 200 clients seen over the past four years, 50 recent clients were selected for a detailed analysis. The results indicate that the programs are effective in helping people of varying ages and stuttering severity to speak fluently. This was accomplished in relatively short periods (approximately 20 hours of therapy). The fluent speech of the clients has transferred to their environment and checks indicate that it has been maintained.


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