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Paper Abstract and Keywords
Presentation 2026-10-29 15:45
Nonlinear Analysis of Physiological Responses while Listening to Unpleasant Auditory Stimuli
Haruki Murakami, Hirotoshi Asano, Eri Ioka (SIT) CAS2026-51 NLP2026-62
Abstract (in Japanese) (See Japanese page) 
(in English) Human emotions change in response to internal factors and external stimuli. These emotional changes influence the balance of the autonomic nervous system: this influence appears as physiological responses. Nasal skin temperature is also a biological signal that accurately reflects the autonomic nervous system activity. In this study, we aimed to clarify the nonlinear characteristics of nasal skin temperature. We used recurrence quantification analysis (RQA) as the analytical method. Three types of sound stimuli (silence, noise, and scratching sounds) were presented, and we examined whether RQA measures differed depending on the type of sound. Pulse waves were also analyzed using the same method. We found that a statistically significant difference/trend toward significance in $LAM$ and $TT$ of pulse waves was observed among the three auditory stimuli using the Friedman test. For nasal skin temperature, that in $L_{mean}$, $TT$, and $DET$ was also observed.
Keyword (in Japanese) (See Japanese page) 
(in English) Pulse wave / nasal skin temperature / psychophysiological response / auditory stimulus / recurrence quantification analysis / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 212, NLP2026-62, pp. 128-132, Oct. 2026.
Paper # NLP2026-62 
Date of Issue 2026-10-21 (CAS, NLP) 
ISSN 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)
Download PDF CAS2026-51 NLP2026-62

Conference Information
Committee NLP CAS  
Conference Date 2026-10-28 - 2026-10-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Tsushima Comm. Ctr. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Circuits and Systems, Nonlinear Problems, etc. 
Paper Information
Registration To NLP 
Conference Code 2026-10-NLP-CAS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Nonlinear Analysis of Physiological Responses while Listening to Unpleasant Auditory Stimuli 
Sub Title (in English)  
Keyword(1) Pulse wave  
Keyword(2) nasal skin temperature  
Keyword(3) psychophysiological response  
Keyword(4) auditory stimulus  
Keyword(5) recurrence quantification analysis  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Haruki Murakami  
1st Author's Affiliation Shibaura Institute of Technology (SIT)
2nd Author's Name Hirotoshi Asano  
2nd Author's Affiliation Shibaura Institute of Technology (SIT)
3rd Author's Name Eri Ioka  
3rd Author's Affiliation Shibaura Institute of Technology (SIT)
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Speaker Author-1 
Date Time 2026-10-29 15:45:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # CAS2026-51, NLP2026-62 
Volume (vol) vol.126 
Number (no) no.211(CAS), no.212(NLP) 
Page pp.128-132 
#Pages 5 
Date of Issue 2026-10-21 (CAS, NLP) 

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