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Paper Abstract and Keywords
Presentation 2008-10-24 15:15
Study on Physiological Indexes during Mental Focus Task -- Comparison between Near-infrared spectroscopy (NIRS), Electroencephalography (EEG) and Peripheral Arterial Tonometry --
Hajime Ogata, Tohru Yagi, Yoshikazu Ishii (Tokyo Tech.), Toshiharu Mukai (RIKEN), Hidenori Ohnishi (Technos) NC2008-57
Abstract (in Japanese) (See Japanese page) 
(in English) In this research, we evaluated physiologic indices during mental focus task and relaxation task. In our experiment, it was difficult to see the correlation with the stress because we obtained some results different from the expectation in each subject and each problem. Our NIRS results, however, showed that the amount of total hemoglobin (totalHb) in
the frontal cortex was increased during mental concentrated task, and decreased during healing task for all subjects whose blood volume change
was properly recorded. Moreover, the difference of the mean value and standard deviation was seen in PAT results. But it cannot be concluded that NIRS and PAT are suitable for the stress evaluation only thess results, and a further verification is necessary.
Keyword (in Japanese) (See Japanese page) 
(in English) Mental stress / Relaxation / Near-infrared spectroscopy / EEG / Heart rate variability / Peripheral arterial tonometry / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 264, NC2008-57, pp. 111-116, Oct. 2008.
Paper # NC2008-57 
Date of Issue 2008-10-16 (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 NC2008-57

Conference Information
Committee NC  
Conference Date 2008-10-23 - 2008-10-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2008-10-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Physiological Indexes during Mental Focus Task 
Sub Title (in English) Comparison between Near-infrared spectroscopy (NIRS), Electroencephalography (EEG) and Peripheral Arterial Tonometry 
Keyword(1) Mental stress  
Keyword(2) Relaxation  
Keyword(3) Near-infrared spectroscopy  
Keyword(4) EEG  
Keyword(5) Heart rate variability  
Keyword(6) Peripheral arterial tonometry  
Keyword(7)  
Keyword(8)  
1st Author's Name Hajime Ogata  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
2nd Author's Name Tohru Yagi  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
3rd Author's Name Yoshikazu Ishii  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
4th Author's Name Toshiharu Mukai  
4th Author's Affiliation The Institute of Physical and Chemical Research (RIKEN)
5th Author's Name Hidenori Ohnishi  
5th Author's Affiliation Technos Japan Co. Ltd. (Technos)
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Speaker Author-1 
Date Time 2008-10-24 15:15:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2008-57 
Volume (vol) vol.108 
Number (no) no.264 
Page pp.111-116 
#Pages 6 
Date of Issue 2008-10-16 (NC) 

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