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Paper Abstract and Keywords
Presentation 2020-12-18 17:05
Development of an upper-limb virtual reality system for brain-computer interface
Yoshiyuki Suzuki, Fumiya Tanaka, Matija Milosevic, Taishin Nomura (Osaka Univ.) MBE2020-24
Abstract (in Japanese) (See Japanese page) 
(in English) Individuals with neurological impairments such as spinal cord injury (SCI) often have impaired ability to control their upper-limbs. This has led to the development of brain-computer interface (BCI) systems that can help improve their motor function. BCI systems typically involve using a virtual reality environment to display motor imagery tasks with the aim of producing event related desynchronization (ERD) and synchroniza-tion (ERS) of the brain activity. In this study, we developed a virtual reality system that can display wrist and elbow flexion and extension up-per-limb movements. Specifically, in Unity (Unity Technologies, USA), we designed an object representing the left and right arms and the cam-era was adjusted such as to provide first person point of view of both hands. The wrist and elbow flexion and extension movements were ani-mated using the Blender (Blender Foundation, Nederland) software. Finally, the wrist and elbow angles were computed and streamed in re-al-time to a TCP/IP port. This system allows real-time joint angle feedback, while also having the capability for external control through Matlab via TCP/IP (The Mathworks, USA). Our preliminary testing showed that this system can elicit ERD / ERS of brain activity and changes in motor evoked potentials. Therefore, an interface between the brain the computer was developed which can affect brain dynamics.
Keyword (in Japanese) (See Japanese page) 
(in English) brain-computer interface / virtual reality / rehabilitation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 301, MBE2020-24, pp. 24-24, Dec. 2020.
Paper # MBE2020-24 
Date of Issue 2020-12-11 (MBE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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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 MBE2020-24

Conference Information
Committee MBE NC  
Conference Date 2020-12-18 - 2020-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2020-12-MBE-NC 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of an upper-limb virtual reality system for brain-computer interface 
Sub Title (in English)  
Keyword(1) brain-computer interface  
Keyword(2) virtual reality  
Keyword(3) rehabilitation  
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1st Author's Name Yoshiyuki Suzuki  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Fumiya Tanaka  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Matija Milosevic  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Taishin Nomura  
4th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker
Date Time 2020-12-18 17:05:00 
Presentation Time 25 
Registration for MBE 
Paper # IEICE-MBE2020-24 
Volume (vol) IEICE-120 
Number (no) no.301 
Page p.24 
#Pages IEICE-1 
Date of Issue IEICE-MBE-2020-12-11 


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