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Paper Abstract and Keywords
Presentation 2014-11-22 15:35
Abnormal auditory feedback and internal model in people who stutter: A behavioral study using delayed auditory feedback adaptation
Daichi Iimura, Nobuhiko Asakura, Takafumi Sasaoka, Toshio Inui (Kyoto Univ.) NC2014-41
Abstract (in Japanese) (See Japanese page) 
(in English) Stuttering is a fluency disorder and a suggested motor control abnormality in speech. In this study, we tested two hypotheses: compared to people who do not stutter (PWNS), (i) people who stutter (PWS) rely on auditory feedback and (ii) PWS have problems about internal auditory predictions and/or comparator mechanisms. Subjects were required to judge the simultaneity between their motor sensations and vocal sounds after inducing lag adaptation of their voices. We analyzed the judgments of PWS compared to PWNS. Our results indicated that PWS showed a higher threshold for detecting auditory delay, and this was related to less accurate detection. These results verified hypotheses (i) and (ii).
Keyword (in Japanese) (See Japanese page) 
(in English) Stuttering / Motor control / Delayed auditory feedback / Lag adaptation / Stuttering severity / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 326, NC2014-41, pp. 85-90, Nov. 2014.
Paper # NC2014-41 
Date of Issue 2014-11-14 (NC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee MBE NC  
Conference Date 2014-11-21 - 2014-11-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2014-11-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Abnormal auditory feedback and internal model in people who stutter: A behavioral study using delayed auditory feedback adaptation 
Sub Title (in English)  
Keyword(1) Stuttering  
Keyword(2) Motor control  
Keyword(3) Delayed auditory feedback  
Keyword(4) Lag adaptation  
Keyword(5) Stuttering severity  
1st Author's Name Daichi Iimura  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Nobuhiko Asakura  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Takafumi Sasaoka  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Toshio Inui  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2014-11-22 15:35:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2014-41 
Volume (vol) vol.114 
Number (no) no.326 
Page pp.85-90 
Date of Issue 2014-11-14 (NC) 

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