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Paper Abstract and Keywords
Presentation 2011-07-08 17:30
Study of Synchronous of Cortex Areas during polyrhythmic Tapping
Yuya Nakahira, Takahiro Emoto, Masatake Akutagawa (Tokushima Univ.), Yoshio Kaji (Tokushima Bunri Univ.), Fumio Shichijo (Suzue hospital), Kazuhiko Furukawa (Health Insurance Naruto hospital), Hirofumi Nagashino, Shinsuke Konaka, Yohsuke Kinouchi (Tokushima Univ.) MBE2011-30
Abstract (in Japanese) (See Japanese page) 
(in English) We analyzed electroencephalography (EEG) signal synchrony between suppleymentary motor area (SMA) and primary motor area (M1) that is considered to be involved in the control of complex bimanual movement. Two subjects were recommended to the 4 bimanual self - paced tapping tasks simultaneous and 3:2 polyrhythm (Personal tempo and as fast as possible). Phase Locking Value (PLV) was used to evaluate between SMA and M1. To calculate PLV, We estimate the EEG frequency band that reflected the SMA activity using Deviation Ratio Topography (DRT). We calculated the deviation of EEG spectra from control task (simultaneous: personal tempo) and drew DRT. Using decided EEG frequency (11.7Hz), we calculated PLV. In the behavioral result, Tapping as fast as possible, variability of the tapping interval is wide than personal tempo tapping, so it is considered difficult to maintain regular tapping as fast as possible. But in this experiment, within 4 tasks, there were no significant differences on PLV. It is considered that the phase transition did not happen in 3:2 polyrhythm tasks.
Keyword (in Japanese) (See Japanese page) 
(in English) EEG / Phase transition / Polyrhythm tapping / / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 121, MBE2011-30, pp. 53-57, July 2011.
Paper # MBE2011-30 
Date of Issue 2011-07-01 (MBE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 MBE  
Conference Date 2011-07-08 - 2011-07-09 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Tokushima 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ＭＥ in general 
Paper Information
Registration To MBE 
Conference Code 2011-07-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of Synchronous of Cortex Areas during polyrhythmic Tapping 
Sub Title (in English)  
Keyword(1) EEG  
Keyword(2) Phase transition  
Keyword(3) Polyrhythm tapping  
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1st Author's Name Yuya Nakahira  
1st Author's Affiliation Tokushima University (Tokushima Univ.)
2nd Author's Name Takahiro Emoto  
2nd Author's Affiliation Tokushima University (Tokushima Univ.)
3rd Author's Name Masatake Akutagawa  
3rd Author's Affiliation Tokushima University (Tokushima Univ.)
4th Author's Name Yoshio Kaji  
4th Author's Affiliation Tokushima Bunri University (Tokushima Bunri Univ.)
5th Author's Name Fumio Shichijo  
5th Author's Affiliation Suzue hospital (Suzue hospital)
6th Author's Name Kazuhiko Furukawa  
6th Author's Affiliation Health Insurance Naruto hospital (Health Insurance Naruto hospital)
7th Author's Name Hirofumi Nagashino  
7th Author's Affiliation Tokushima University (Tokushima Univ.)
8th Author's Name Shinsuke Konaka  
8th Author's Affiliation Tokushima University (Tokushima Univ.)
9th Author's Name Yohsuke Kinouchi  
9th Author's Affiliation Tokushima University (Tokushima Univ.)
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Speaker Author-1 
Date Time 2011-07-08 17:30:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2011-30 
Volume (vol) vol.111 
Number (no) no.121 
Page pp.53-57 
#Pages 5 
Date of Issue 2011-07-01 (MBE) 

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