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Paper Abstract and Keywords
Presentation 2026-03-01 14:50
[Invited Talk] Identifying inter-audience interactions through field sensing
Ryota Nomura (Waseda Univ.) HCS2025-81
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, studies that use field sensing to measure audience physiological responses and subjective evaluations in theaters have become more common. However, most of these studies have reported resulting synchrony. To elucidate the mechanism generating collective emotion, this study aims to quantify the propagation of emotion through audience member interactions during theater performances. During the experiment, audience members used their mobile devices to respond with a binary value indicating their self-perceived laughter during ten pairs of performances (manzai, comedy sketch, and monologue). This allowed us to obtain a time series of second-by-second laughter. We then approximated the input intensity from each performer using the audience's average laughter frequency and quantified the inter-audience interaction between any adjacent audience pair using transfer entropy. Our analysis revealed strong audience interaction in the two performances where the input intensity from each performer was moderate. This result can be interpreted as follows: when the common input is strong, laughter occurs solely due to the input itself. However, when the common input is moderate, individuals become more dependent on the influence of the surrounding audience's laughter. Furthermore, when the input is weak, the frequency of laughter is low, suggesting that audience interaction via laughter has minimal effect. These findings suggest that the performance alters not only the response patterns of individual audience members but also the dynamics of emotional propagation.
Keyword (in Japanese) (See Japanese page) 
(in English) emotion propagation / laughter / transfer entropy / theater / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 368, HCS2025-81, pp. 50-53, March 2026.
Paper # HCS2025-81 
Date of Issue 2026-02-22 (HCS) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
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 HCS2025-81

Conference Information
Committee HCS  
Conference Date 2026-03-01 - 2026-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HCS 
Conference Code 2026-03-HCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Identifying inter-audience interactions through field sensing 
Sub Title (in English)  
Keyword(1) emotion propagation  
Keyword(2) laughter  
Keyword(3) transfer entropy  
Keyword(4) theater  
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1st Author's Name Ryota Nomura  
1st Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2026-03-01 14:50:00 
Presentation Time 60 minutes 
Registration for HCS 
Paper # HCS2025-81 
Volume (vol) vol.125 
Number (no) no.368 
Page pp.50-53 
#Pages 4 
Date of Issue 2026-02-22 (HCS) 

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