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Paper Abstract and Keywords
Presentation 2020-02-15 16:50
Peripersonal space during active and passive self-motion
Naoki Kuroda, Wataru Teramoto (Kumamoto Univ.) HIP2019-85
Abstract (in Japanese) (See Japanese page) 
(in English) A space immediately around the body, known as peripersonal space (PPS), plays an important role in our interactions with external environments. This space is represented by specific bi- or tri-modal neurons in the brain, so that strong multisensory interaction behaviorally occurs in this space. Several studies have shown that the range of PPS can expand in the direction of self-motion. However, little is known about which self-motion cues contribute to this PPS expansion during self-motion. Here, we investigate whether active and passive self-motion differentially affect PPS. Participants experienced illusory forward self-motion by large-field visual motion presented through a head-mounted display. They pedaled an exercise bike while observing the visual motion in an active condition, while they did not in a passive condition. During self-motion, a visual probe approached the participants from several distances. We defined PPS as the farthest distance that the visual probe facilitated tactile detection. The results revealed that the visual probe significantly facilitated the tactile detection at all distance condition regardless of the self-motion conditions, suggesting that PPS expand during self-motion. Moreover, the facilitation was larger for the active than passive conditions, suggesting that signals related to active self-motion such as (efference copy of) motor commands and proprioception can contribute to PPS expansion.
Keyword (in Japanese) (See Japanese page) 
(in English) Peripersonal space / Visuotactile interaction / Self-motion perception / Vection / Virtual reality / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 414, HIP2019-85, pp. 43-46, Feb. 2020.
Paper # HIP2019-85 
Date of Issue 2020-02-08 (HIP) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee HIP ASJ-H  
Conference Date 2020-02-15 - 2020-02-16 
Place (in Japanese) (See Japanese page) 
Place (in English) IT Souzou-kan Bldg. (Naha) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HIP 
Conference Code 2020-02-HIP-H 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Peripersonal space during active and passive self-motion 
Sub Title (in English)  
Keyword(1) Peripersonal space  
Keyword(2) Visuotactile interaction  
Keyword(3) Self-motion perception  
Keyword(4) Vection  
Keyword(5) Virtual reality  
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Keyword(8)  
1st Author's Name Naoki Kuroda  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
2nd Author's Name Wataru Teramoto  
2nd Author's Affiliation Kumamoto University (Kumamoto Univ.)
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Speaker Author-1 
Date Time 2020-02-15 16:50:00 
Presentation Time 25 minutes 
Registration for HIP 
Paper # HIP2019-85 
Volume (vol) vol.119 
Number (no) no.414 
Page pp.43-46 
#Pages 4 
Date of Issue 2020-02-08 (HIP) 

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