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Paper Abstract and Keywords
Presentation 2015-01-30 10:00
Effect on electroencephalogram of heart sound
Hiroki Nakatsuka (Kyusyu Inst of Tech.), Yasumi Kawano, Saori Matsuda (Heart Best), Kiyohisa Natsume (Kyusyu Inst of Tech.) NC2014-64
Abstract (in Japanese) (See Japanese page) 
(in English) In the present study, the effect of heart sound on electroencephalogram (EEG) was studied. Before the experiment, the hear sounds of subjects and their mother were recorded. In the experiment the subjects listened to the kinds of the sound and noise, and simultaneously EEG was recorded from them. After that, they had questionnaires whether they felt comfortable and sleepy when they listened to the sound. Using FFT, the spectrum density was calculated and the mean powers over the frequencies of delta, theta, alpha, and beta were calculated. Coherence between EEG at two electrode sites was also calculated. The results show that theta power correlated with the sleepiness score. When they listened to the sound, the coherences of the two recording sites changed. The change of the spatial pattern depended on the source of the heart sound. The results suggest that heart sound induces the information processing in a brain depending on the source of the sound.
Keyword (in Japanese) (See Japanese page) 
(in English) Heart Sound / Electroencephalogram (EEG) / Spectrogram / Comfort / Sleepiness induction / Coherence / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 437, NC2014-64, pp. 39-45, Jan. 2015.
Paper # NC2014-64 
Date of Issue 2015-01-22 (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)
Download PDF NC2014-64

Conference Information
Committee NC  
Conference Date 2015-01-29 - 2015-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Implementation of Neuro Computing,Analysis and Modeling of Human Science, etc 
Paper Information
Registration To NC 
Conference Code 2015-01-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect on electroencephalogram of heart sound 
Sub Title (in English)  
Keyword(1) Heart Sound  
Keyword(2) Electroencephalogram (EEG)  
Keyword(3) Spectrogram  
Keyword(4) Comfort  
Keyword(5) Sleepiness induction  
Keyword(6) Coherence  
1st Author's Name Hiroki Nakatsuka  
1st Author's Affiliation Kyusyu Institute of Technology (Kyusyu Inst of Tech.)
2nd Author's Name Yasumi Kawano  
2nd Author's Affiliation Heart Best Co., Ltd. (Heart Best)
3rd Author's Name Saori Matsuda  
3rd Author's Affiliation Heart Best Co., Ltd. (Heart Best)
4th Author's Name Kiyohisa Natsume  
4th Author's Affiliation Kyusyu Institute of Technology (Kyusyu Inst of Tech.)
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Date Time 2015-01-30 10:00:00 
Presentation Time 25 
Registration for NC 
Paper # IEICE-NC2014-64 
Volume (vol) IEICE-114 
Number (no) no.437 
Page pp.39-45 
#Pages IEICE-7 
Date of Issue IEICE-NC-2015-01-22 

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