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Paper Abstract and Keywords
Presentation 2026-01-30 09:30
Effect of Sample Movie on Motor Imagery-Induced Synchronization and Desynchronization of Electroencephalogram
Takeru Kawahara, Kiyohisa Natume (KIT) NLP2025-115 MBE2025-55 NC2025-77
Abstract (in Japanese) (See Japanese page) 
(in English) When performing motor imagery manipulation, MI brainwaves are induced in the motor cortex region. MI brainwaves are enhanced by the sense of agency. However, it has been noted that the magnitude varies among participants. Therefore, we hypothesized that showing a demonstration video before the motor imagery task might enhance MI and conducted research to test this. The experimental environment involved controlling an avatar's actions within a virtual space using MI. Motor imagery tasks were performed for left turns, forward movement, and right turns. The effect of the demonstration video was verified by showing it before the tasks. Analysis focused on the power values in the mu wave (8-13Hz) band. We also analyzed parietal alpha waves. When participants performed motor imagery without the demonstration video, ERD occurred for all movement images. Subsequently, when the demonstration video was shown, the ERD increased. When participants performed motor imagery again without the demonstration video after viewing it, ERD disappeared for some movement imagery tasks. Measurement of parietal alpha waves suggested that viewing the demonstration video shifted participants from self-motor imagery to third-person motor imagery. This indicates that the effect of demonstration videos on MI ERD depends on the specific movement imagery task.
Keyword (in Japanese) (See Japanese page) 
(in English) Brain Machine Interface(BMI) / Event Related Desynchronization(ERD) / Motor Imagery(MI) / Visual Attention / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 344, NLP2025-115, pp. 139-144, Jan. 2026.
Paper # NLP2025-115 
Date of Issue 2026-01-21 (NLP, MBE, NC) 
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 NLP2025-115 MBE2025-55 NC2025-77

Conference Information
Committee NC MBE NLP IEE-MBE  
Conference Date 2026-01-28 - 2026-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Institute of Technology, Wakamatsu Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) NC, NLP, ME, etc. 
Paper Information
Registration To NLP 
Conference Code 2026-01-NC-MBE-NLP-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of Sample Movie on Motor Imagery-Induced Synchronization and Desynchronization of Electroencephalogram 
Sub Title (in English)  
Keyword(1) Brain Machine Interface(BMI)  
Keyword(2) Event Related Desynchronization(ERD)  
Keyword(3) Motor Imagery(MI)  
Keyword(4) Visual Attention  
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1st Author's Name Takeru Kawahara  
1st Author's Affiliation Kyushu Institute of Technology (KIT)
2nd Author's Name Kiyohisa Natume  
2nd Author's Affiliation Kyushu Institute of Technology (KIT)
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Speaker Author-1 
Date Time 2026-01-30 09:30:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2025-115, MBE2025-55, NC2025-77 
Volume (vol) vol.125 
Number (no) no.344(NLP), no.345(MBE), no.346(NC) 
Page pp.139-144 
#Pages 6 
Date of Issue 2026-01-21 (NLP, MBE, NC) 

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