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Paper Abstract and Keywords
Presentation 2018-04-27 13:45
The frequency modulation of brain wave by diurnal rhythm in hippocampal slices
Masaya Shigemoto, Kiyohisa Natsume (Kyutech) NLP2018-21
Abstract (in Japanese) (See Japanese page) 
(in English) The physiological activity of animal’s brain is modulated by diurnal rhythm that has the cycle of about 1 day and depends on light/dark cycle of the surrounding environment. In addition, the behavioral studies has demonstrated that the performance of memory is modulated by diurnal rhythm. Theta and beta rhythms are related to the memory process. However, the relationship between the brain waves and the diurnal rhythm has not yet been clarified. Hence we investigated the relationship using the neural oscillations in rat hippocampal slices with the administration of carbachol. The dependence of Zeitgeber Time (ZT), the time in the diurnal rhythm, on the oscillation parameters showed that the frequency of beta oscillation was significantly lower at ZT 16-19 than the other ZT’s. The decrease was reproduced by the application GABAA receptor antagonist Bicuculline or Gabazine with carbachol to beta oscillation induced in the slices in the other ZT’s. Those results suggest that the brain wave in the hippocampus will be modulated by diurnal rhythm and GABAA receptor will be involved in the modulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Hippocampus / Brain wave / Diurnal rhythm / Beta oscillation / GABAA receptor / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 15, NLP2018-21, pp. 101-106, April 2018.
Paper # NLP2018-21 
Date of Issue 2018-04-19 (NLP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 NLP  
Conference Date 2018-04-26 - 2018-04-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumaoto Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Discrete Dynamical Systems, Sequences, etc 
Paper Information
Registration To NLP 
Conference Code 2018-04-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The frequency modulation of brain wave by diurnal rhythm in hippocampal slices 
Sub Title (in English)  
Keyword(1) Hippocampus  
Keyword(2) Brain wave  
Keyword(3) Diurnal rhythm  
Keyword(4) Beta oscillation  
Keyword(5) GABAA receptor  
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1st Author's Name Masaya Shigemoto  
1st Author's Affiliation Kyushu Institute of Technology (Kyutech)
2nd Author's Name Kiyohisa Natsume  
2nd Author's Affiliation Kyushu Institute of Technology (Kyutech)
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Speaker
Date Time 2018-04-27 13:45:00 
Presentation Time 25 
Registration for NLP 
Paper # IEICE-NLP2018-21 
Volume (vol) IEICE-118 
Number (no) no.15 
Page pp.101-106 
#Pages IEICE-6 
Date of Issue IEICE-NLP-2018-04-19 


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