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Paper Abstract and Keywords
Presentation 2014-03-18 14:10
Study on temporal strategies of event-related desynchronization during task-switching
Hiroshi Yokoyama, Isao Nambu (Nagaoka Univ. of Tech.), Jun Izawa (NTT), Yasuhiro Wada (Nagaoka Univ. of Tech.)
Abstract (in Japanese) (See Japanese page) 
(in English) Mental process related to mental rotation task of hands is influenced by the physical states. It is suggested that mental rotation task of hands has relations with motor imagery because Involvement of these influence is reflected in Event-related desynchronization of Mu power.
In this study, we are intended to demonstrate the imagery switching related brain activity by using relations with mental rotation and motor imagery. Participants were shown rotation transformed images of hands on display , and they were asked to report whether they saw a picture of a left or right hand. We analyzed the measured eeg on scalp of participants during task to calculate temporal changes in Mu and Beta power from baseline interval. In this results, specific event-related desynchronization(ERD) was shown from Parietal posterior cortex and Dorsolateral prefrontal cortex when they were shown different hand image from previous trial. This result is suggest the brain activity characteristic associated with the task-switching of imagery activity.
Keyword (in Japanese) (See Japanese page) 
(in English) EEG / Mental rotation task of hands / ERD / task-switching / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 499, MBE2013-142, pp. 151-156, March 2014.
Paper # MBE2013-142 
Date of Issue 2014-03-10 (MBE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee NC MBE  
Conference Date 2014-03-17 - 2014-03-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2014-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on temporal strategies of event-related desynchronization during task-switching 
Sub Title (in English)  
Keyword(1) EEG  
Keyword(2) Mental rotation task of hands  
Keyword(3) ERD  
Keyword(4) task-switching  
1st Author's Name Hiroshi Yokoyama  
1st Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
2nd Author's Name Isao Nambu  
2nd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
3rd Author's Name Jun Izawa  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Yasuhiro Wada  
4th Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
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Date Time 2014-03-18 14:10:00 
Presentation Time 20 
Registration for MBE 
Paper # IEICE-MBE2013-142 
Volume (vol) IEICE-113 
Number (no) no.499 
Page pp.151-156 
#Pages IEICE-6 
Date of Issue IEICE-MBE-2014-03-10 

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