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Paper Abstract and Keywords
Presentation 2014-03-18 15:20
Functional Brain Network using Synchronization Likelihood(SL) constructed from EEGs
Taichi Toh, Risa Urata, Toshimasa Yamazaki (Kyusyu Inst. of Tech.), Yoshiyuki Kuroiwa (Teikyo Univ.) MBE2013-145
Abstract (in Japanese) (See Japanese page) 
(in English) Functional Brain Network (FBN) could visualize the connectivity between brain regions in brain activity associated with thought, cognition, and motor. This study will construct such networks using EEGs (electroencephalograms). For one healthy subject (67-years-old, male and right-handed), 16-ch EEGs was measured when he rest and closed his own eyes. Using Independent Component Analysis (ICA) and Equivalent Current Dipole source Localization (ECDL), we specified several brain regions (nodes). Next, we quantified the connectivity between nodes using Synchronization Likelihood (SL) and constructed Functional Brain Network (unweighted graph). By comparing this result with the previous studies by fMRI and PET, there were common brain regions, for example, the left superior parietal lobule, the left middle frontal gyrus, the left superior frontal gyrus, thalamus, and the hippocampus. Moreover, from the clustering coefficient and the characteristic path length of the FBN, it followed the global connectivity is strong in the alpha band and the local one strong in the gamma band.
Keyword (in Japanese) (See Japanese page) 
(in English) Functional Brain Network / ICA / ECDL / graph theory / Synchronization Likelihood / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 499, MBE2013-145, pp. 167-170, March 2014.
Paper # MBE2013-145 
Date of Issue 2014-03-10 (MBE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 MBE2013-145

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) Functional Brain Network using Synchronization Likelihood(SL) constructed from EEGs 
Sub Title (in English)  
Keyword(1) Functional Brain Network  
Keyword(2) ICA  
Keyword(3) ECDL  
Keyword(4) graph theory  
Keyword(5) Synchronization Likelihood  
1st Author's Name Taichi Toh  
1st Author's Affiliation Kyusyu Institute of Technology (Kyusyu Inst. of Tech.)
2nd Author's Name Risa Urata  
2nd Author's Affiliation Kyusyu Institute of Technology (Kyusyu Inst. of Tech.)
3rd Author's Name Toshimasa Yamazaki  
3rd Author's Affiliation Kyusyu Institute of Technology (Kyusyu Inst. of Tech.)
4th Author's Name Yoshiyuki Kuroiwa  
4th Author's Affiliation Teikyo University (Teikyo Univ.)
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Date Time 2014-03-18 15:20:00 
Presentation Time 20 
Registration for MBE 
Paper # IEICE-MBE2013-145 
Volume (vol) IEICE-113 
Number (no) no.499 
Page pp.167-170 
#Pages IEICE-4 
Date of Issue IEICE-MBE-2014-03-10 

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