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Paper Abstract and Keywords
Presentation 2014-01-25 10:20
Effects of sound pressure change in pure tones on annoyance and biological signals in humans
Yuuki Nagazoe, Tomohiko Igasaki, Nobuki Murayama (Kumamoto Univ.) MBE2013-107
Abstract (in Japanese) (See Japanese page) 
(in English) This study is aimed to clarify the relationship between annoyance towards sound and biological signals (electroencephalogram: EEG and phtotoplethysmogram: PPG) when loudness sensitivity changes. In this study, we used magnitude estimation method by having subjects evaluate the loudness sensitivity and the clarify pure relationship between annoyance and biological signals eliminating the effect of loudness sensitivity. As a result, change rate of EEG delta band power ratio showed significant correlation with annoyance, and not with loudness sensitivity. Change rate of PPG peak-to-peak value showed significant correlation with both loudness and loudness sensitivity, and partial correlation between change rate of PPG peak-to-peak value was also significant. Generally, it is said that delta band EEG doesn't emerge in neocortex when human is awake and information of emotion is processed in paleocortex, and decreasing of peak-to-peak value of PPG shows that activity of sympathetic nervous system is increasing. Therefore, the present study suggests that difference of annoyance caused by difference of loudness sensitivity is related to activity of paleocortex and sympathetic nervous system.
Keyword (in Japanese) (See Japanese page) 
(in English) annoyance / subjective evaluation / magnitude estimation / EEG / PPG / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 409, MBE2013-107, pp. 65-68, Jan. 2014.
Paper # MBE2013-107 
Date of Issue 2014-01-17 (MBE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 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  
Conference Date 2014-01-24 - 2014-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Saga University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2014-01-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effects of sound pressure change in pure tones on annoyance and biological signals in humans 
Sub Title (in English)  
Keyword(1) annoyance  
Keyword(2) subjective evaluation  
Keyword(3) magnitude estimation  
Keyword(4) EEG  
Keyword(5) PPG  
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1st Author's Name Yuuki Nagazoe  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
2nd Author's Name Tomohiko Igasaki  
2nd Author's Affiliation Kumamoto University (Kumamoto Univ.)
3rd Author's Name Nobuki Murayama  
3rd Author's Affiliation Kumamoto University (Kumamoto Univ.)
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Speaker Author-1 
Date Time 2014-01-25 10:20:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2013-107 
Volume (vol) vol.113 
Number (no) no.409 
Page pp.65-68 
#Pages 4 
Date of Issue 2014-01-17 (MBE) 

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