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Paper Abstract and Keywords
Presentation 2012-11-16 16:10
Dependence of amplitude-modulation following response on sleepiness
Hiromi Mukoda, Akihiro Karashima, Norihiro Katayama, Mitsuyuki Nakao (Tohoku Univ.) MBE2012-54
Abstract (in Japanese) (See Japanese page) 
(in English) We investigated the relationship between sleepiness and amplitude of amplitude-modulation following response (AMFR) to find the best tone to raise awareness of sleepy drivers. In this study, auditory responses which were evoked by amplitude modulated tones whose carrier frequencies were 500, 1000, 4000, and 8000 Hz were recorded in 16 subjects. Performance level was divided into three stages by using reaction time of psychomotor vigilance test, and the amplitude of AMFR was found to be decreased as the decrement of the performance in all frequency range. The high performance stages were further divided into two stages, those with alpha wave and without alpha wave. We found that auditory responses evoked by 500 Hz AM tone in alpha wave state were smaller those in no-alpha state, but those evoked by the other AM tone were consistent. These results suggest that the high frequency tone could make drivers aware of their sleepiness.
Keyword (in Japanese) (See Japanese page) 
(in English) Sleepiness / Amplitude-Modulation Following Response / Reaction Time / Alpha Wave / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 297, MBE2012-54, pp. 47-52, Nov. 2012.
Paper # MBE2012-54 
Date of Issue 2012-11-09 (MBE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 2012-11-16 - 2012-11-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) BCI/BMI, NC and MBE 
Paper Information
Registration To MBE 
Conference Code 2012-11-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dependence of amplitude-modulation following response on sleepiness 
Sub Title (in English)  
Keyword(1) Sleepiness  
Keyword(2) Amplitude-Modulation Following Response  
Keyword(3) Reaction Time  
Keyword(4) Alpha Wave  
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1st Author's Name Hiromi Mukoda  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Akihiro Karashima  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Norihiro Katayama  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Mitsuyuki Nakao  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2012-11-16 16:10:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2012-54 
Volume (vol) vol.112 
Number (no) no.297 
Page pp.47-52 
#Pages
Date of Issue 2012-11-09 (MBE) 


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