著者
氏平 明
出版者
日本音声学会
雑誌
音声研究 (ISSN:13428675)
巻号頁・発行日
vol.17, no.2, pp.4-20, 2013

This paper attempts to make certain qualitative differences between stutterers and non-stutterers clear by means of acoustic analysis. Previous studies have highlighted three areas of relevance to this study. The first is that breath control while speaking is difficult for stutterers. Secondly, the beginning of words are particularly challenging for stutterers. Finally, even without treatment, stutterers have on average an 80% chance of naturally recovering. The author collected data from 61 stutterers and the same number of non-stutterers, by recording their voices and analyzing them acoustically, such as for shimmer parameters. The conclusions are as follows. Preschool children (two to six years) and adults (twenty years or above) who stutter registered a statistically significant increase in score for Amplitude Perturbation Quotient (APQ) and Shimmer Parameter (SP) than non-stutterers of the same age range. This data suggests that stutterers have something wrong with their respiratory controls. On the other hand, for children of 7〜9 years old, APQ and SP scores were not statistically different between stutterers and non-stutterers. This suggests that the second stage of laryngeal development is correlated to the process of natural recovery. Also stutterers' problem of disfluency would appear to originate in the motor speech center in the brain.

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CiNii 論文 -  発声時の振幅のゆらぎに見る吃音者と非吃音者(<特集>言語障害(吃音と構音障害)の様相と分析) https://t.co/hacA3JdL3g #CiNii
発声時の振幅のゆらぎに見る吃音者と非吃音者 https://t.co/uWz2T5d1KC “吃音者と非吃音者の間にある亀裂が, 発話における呼気制御の弱点に帰する可能性がある”“吃音者の発話の非流暢性は運動中枢からの指令情報伝達時の齟齬に起因すると考えられる”
吃音者の音声分析に関する論文>氏平明「発声時の振幅のゆらぎに見る吃音者と非吃音者」 https://t.co/U2PR6yCmpw

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