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Paper Abstract and Keywords
Presentation 2013-09-25 14:45
Cognitive Status and Measurement of Brain Function Based on Fractal Analyses of EEG Signals
Satoru Shimada, Masahiro Nakagawa (Nagaoka Univ. of Tech.) MBE2013-59 NC2013-45
Abstract (in Japanese) (See Japanese page) 
(in English) Magnetoencephalography (MEG) has been used for examining the brain activity recognizing the solutions in the processes when humans solve problems despite the limitations of the region and spatial resolution caused by the type and number of neurons. For this reason, we studied about the quantification of the cognitive status and the activation state of the brain by measuring the brain potentials with an Electroencephalograph (EEG) and analyzing the complexity of the electroencephalogram (EEG ) by using fractal method. We tested the differences of the EEG between when the subjects played the game requiring reasoning (insight-requiring game) and when the subjects played the game not requiring reasoning (insight-free game). According to the results obtained by the quantification of the cognitive status , we confirmed that the cognitive status continued for longer time when the subjects played the game requiring reasoning ( insight-requiring game), and the results obtained by measuring the brain potentials of activation state, we confirmed tendencies to be higher activation state when the subjects played the game requiring reasoning (insight-requiring game) at Anterior Cingulate Gyrus. The results shows that the cognitive state of humans may be estimated by the fractal analysis of EEGs.
Keyword (in Japanese) (See Japanese page) 
(in English) Puzzle Game / Cognitive Status / EEG / Fractal dimension / Inverse Estimate of Fractal dimension / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 222, MBE2013-59, pp. 131-136, Sept. 2013.
Paper # MBE2013-59 
Date of Issue 2013-09-17 (MBE, NC) 
ISSN Print edition: ISSN 0913-5685    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 MBE2013-59 NC2013-45

Conference Information
Committee NC MBE  
Conference Date 2013-09-24 - 2013-09-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata University Ekinan-Campus "TOKIMATE" 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2013-09-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Cognitive Status and Measurement of Brain Function Based on Fractal Analyses of EEG Signals 
Sub Title (in English)  
Keyword(1) Puzzle Game  
Keyword(2) Cognitive Status  
Keyword(3) EEG  
Keyword(4) Fractal dimension  
Keyword(5) Inverse Estimate of Fractal dimension  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Satoru Shimada  
1st Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
2nd Author's Name Masahiro Nakagawa  
2nd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
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Speaker Author-1 
Date Time 2013-09-25 14:45:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2013-59, NC2013-45 
Volume (vol) vol.113 
Number (no) no.222(MBE), no.223(NC) 
Page pp.131-136 
#Pages 6 
Date of Issue 2013-09-17 (MBE, NC) 

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