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Paper Abstract and Keywords
Presentation 2026-05-23 11:30
Effects of interpersonal distance on body sway during dyadic interaction
Shota Miyazaki, Kae Mukai, Rina Sugiyama, Tomoko Isomura (Nagoya Univ.) HCS2026-25 HIP2026-25
Abstract (in Japanese) (See Japanese page) 
(in English) Interpersonal distance is an important nonverbal factor that influences social interaction. However, it remains unclear how differences in distance between two individuals affect variations in body movement and posture during natural face-to-face conversation. In this study, discussion tasks was conducted with Japanese university students while manipulating interpersonal distance across a range from 0.45 m to 2.7 m. Measurements of participants' head and pelvic coordinates showed that anteroposterior movements of the head and pelvis during conversation tended to be smaller at closer distances and larger at farther distances, indicating that changes in interpersonal distance affect movement in the anteroposterior direction. In addition, under the close-distance conditions during conversation (0.45 m and 0.9 m), a positive correlation was observed in the amount of movement within each pair, suggesting the possibility of coordinated movement associated with social interaction.
Keyword (in Japanese) (See Japanese page) 
(in English) interpersonal distance / body sway / postural control / conversation / dyadic interaction / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 38, HCS2026-25, pp. 131-136, May 2026.
Paper # HCS2026-25 
Date of Issue 2026-05-15 (HCS, HIP) 
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 HCS2026-25 HIP2026-25

Conference Information
Committee HIP HCS HI-SIGCOASTER  
Conference Date 2026-05-22 - 2026-05-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication Enhancing, Human Communications, and Human Information Processing 
Paper Information
Registration To HCS 
Conference Code 2026-05-HIP-HCS-SIGCOASTER 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effects of interpersonal distance on body sway during dyadic interaction 
Sub Title (in English)  
Keyword(1) interpersonal distance  
Keyword(2) body sway  
Keyword(3) postural control  
Keyword(4) conversation  
Keyword(5) dyadic interaction  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shota Miyazaki  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Kae Mukai  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Rina Sugiyama  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Tomoko Isomura  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2026-05-23 11:30:00 
Presentation Time 20 minutes 
Registration for HCS 
Paper # HCS2026-25, HIP2026-25 
Volume (vol) vol.126 
Number (no) no.38(HCS), no.39(HIP) 
Page pp.131-136 
#Pages 6 
Date of Issue 2026-05-15 (HCS, HIP) 

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