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Paper Abstract and Keywords
Presentation 2015-06-26 10:50
Oscillatory neural activity during the performance of a cognitive task during exposure to various fluctuating ambient noises
Kazuo Kato, Satoshi Yasukawa (Tohoku Gakuin Univ.), Kazunori Suzuki, Atsuo Ishikawa (Takenaka Corporation) MBE2015-15
Abstract (in Japanese) (See Japanese page) 
(in English) For auditory space evaluation, this study aimed to characterize the changes in oscillatory neural activity using electroencephalographic data recorded from subjects performing a cognitive task while being exposed to ambient noise fluctuations. Seven healthy men participated in the study. Subjects performed a verbal and spatial task that used a 3-back task paradigm to study working memory. During the task, subjects were exposed to four different auditory stimuli: (1) a sound with frequencies similar to Brownian noise (no modulation); (2) a sound with amplitude modulated using frequencies similar to white noise; (3) pink noise; and (4) Brownian noise. When the white noise, which contained a significant high-frequency component, was presented, we observed a characteristic change of electroencephalographic power in the theta (4–8Hz), alpha (8–13Hz), and beta (13–30Hz) bands. In particular, a frequency-dependent response for enhancement of electroencephalographic power was observed in the theta and beta bands.
Keyword (in Japanese) (See Japanese page) 
(in English) Auditory Space Evaluation / Ambient Fluctuation Noise / Oscillatory Neural Activity / 3-back Task / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 116, MBE2015-15, pp. 13-18, June 2015.
Paper # MBE2015-15 
Date of Issue 2015-06-19 (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)
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Conference Information
Committee MBE  
Conference Date 2015-06-26 - 2015-06-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univerisity 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2015-06-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Oscillatory neural activity during the performance of a cognitive task during exposure to various fluctuating ambient noises 
Sub Title (in English)  
Keyword(1) Auditory Space Evaluation  
Keyword(2) Ambient Fluctuation Noise  
Keyword(3) Oscillatory Neural Activity  
Keyword(4) 3-back Task  
1st Author's Name Kazuo Kato  
1st Author's Affiliation Tohoku Gakuin University (Tohoku Gakuin Univ.)
2nd Author's Name Satoshi Yasukawa  
2nd Author's Affiliation Tohoku Gakuin University (Tohoku Gakuin Univ.)
3rd Author's Name Kazunori Suzuki  
3rd Author's Affiliation Takenaka Corporation (Takenaka Corporation)
4th Author's Name Atsuo Ishikawa  
4th Author's Affiliation Takenaka Corporation (Takenaka Corporation)
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Date Time 2015-06-26 10:50:00 
Presentation Time 25 
Registration for MBE 
Paper # IEICE-MBE2015-15 
Volume (vol) IEICE-115 
Number (no) no.116 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-MBE-2015-06-19 

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