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KMID : 0917520060130030185
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Journal of Speech Sciences
2006 Volume.13 No. 3 p.185 ~ p.195
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A Comparative Study on the Occurrence Loci of Disfluency between Neurogenic and Developmental Stuttering
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Shin Myung-Sun
Kwon Do-Ha
Woon Chi-Yeon
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Abstract
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This study aims to clarify disfluency loci in a neurogenic stuttering group and to examine how the characteristics are different from a developmental stuttering group. For the study, spoken language samples were collected from 11 adults with developmental stuttering and 11 adults with neurogenic stuttering in the course of speaking tasks including reading, monologue and conversation. Using the collected samples, disfluency characteristics of the two groups were to be investigated by analyzing adaptation effect, consistency effect and frequency of disfluency occurrence according to word position, which are related to the occurrence loci of disfluency. Results of this study were as follows: First, while the neurogenic stuttering group did not show any adaptation effect, the developmental stuttering group showed the adaptation effect that the percent of disfluency word reducing as they read the same materials repeatedly. Second, there was no meaningful difference of consistency effect between the two stuttering groups. Third, the neurogenic stuttering group showed more disfluency frequency in final sounds among the word position compared to the developmental stuttering group.
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KEYWORD
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neurogenic stuttering, developmental stuttering, adaptation effect, consistency effect
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