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Journal:   JOURNAL OF RESEARCH IN REHABILITATION SCIENCES   OCTOBER-NOVAMBER 2013 , Volume 9 , Number 4; Page(s) 742 To 753.
 
Paper: 

Phonatory Reaction Time In 10-To-30-Year-Old Stutterers And Non-Stutterers

 
 
Author(s):  Nikkhah Sepideh, Shafiei Bijan*, Hassanzadeh Akbar
 
* DEPARTMENT OF SPEECH THERAPY, SCHOOL OF REHABILITATION SCIENCES, ISFAHAN UNIVERSITY OF MEDICAL SCIENCES, ISFAHAN, IRAN
 
Abstract: 
Introduction: Some evidence suggests that stuttering may be a temporal disruption of the simultaneous and successive programming of muscular movements required for producing speech sounds. According to this view, motor speech timing variables, including reaction time, may be different in people with stuttering (PWS) when compared to non-stutterers. Reaction time is a standard criterion that can show nature of these phonatory differences between stutterers and non-stutterers. The aim of this study was to determine the reaction times of phonation in PWS and to compare them with those of non-stutterers.Materials and Methods: In this descriptive-analytic study, 22 PWS and 22 normal counterparts, whose age ranged from 10 to 30 years (all subjects were divided into two age groups: 10-to-20-year olds and 20-to30-year olds), were asked to give the required response (a prolonged /a/) as soon as they heard an auditory stimulus. The intervals between stimuli and related responses were measured by Praat software.Results: The results of the study showed that the average of reaction times in PWS was higher than that of normal subjects and that this difference was greater in 20-to-30-year olds. These differences, however, did not reach statistical significance.Conclusion: The observed pattern of voice onset among stutterers may be resulted from such stuttering-related complications as struggling, avoiding, anticipatory behaviors, and neuromotor pathologies. It is also reasonable to propose that the voice onset delays are due to the time force perceived by older stutterers during the task.
 
Keyword(s): STUTTERING, REACTION TIME, FLUENT SPEECH, PRAAT SOFTWARE
 
 
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APA: Copy

NIKKHAH, S., & SHAFIEI, B., & HASSANZADEH, A. (2013). PHONATORY REACTION TIME IN 10-TO-30-YEAR-OLD STUTTERERS AND NON-STUTTERERS. JOURNAL OF RESEARCH IN REHABILITATION SCIENCES, 9(4), 742-753. https://www.sid.ir/en/journal/ViewPaper.aspx?id=410781



Vancouver: Copy

NIKKHAH SEPIDEH, SHAFIEI BIJAN, HASSANZADEH AKBAR. PHONATORY REACTION TIME IN 10-TO-30-YEAR-OLD STUTTERERS AND NON-STUTTERERS. JOURNAL OF RESEARCH IN REHABILITATION SCIENCES. 2013 [cited 2022August14];9(4):742-753. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=410781



IEEE: Copy

NIKKHAH, S., SHAFIEI, B., HASSANZADEH, A., 2013. PHONATORY REACTION TIME IN 10-TO-30-YEAR-OLD STUTTERERS AND NON-STUTTERERS. JOURNAL OF RESEARCH IN REHABILITATION SCIENCES, [online] 9(4), pp.742-753. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=410781.



 
 
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