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Paper Abstract and Keywords
Presentation 2016-11-18 13:55
Spatio-temporal dynamics of slow wave activities measured by transcranial flavin autofluorescence imaging in the mouse neocortex
Anri Sato, Yuto Yoshida, Mitsuyuki Nakao, Norihiro Katayama (Tohoku Univ.) MBE2016-47
Abstract (in Japanese) (See Japanese page) 
(in English) During slow wave sleep, which is the resting sleep stage, slow wave activity (SWA) is observed in the neocortex of the brain. Previous studies have proved that SWA propagates and spreads over the cortex. However, detailed dynamical properties including initiation, propagation and cessation of the SWA have not fully elucidated. In this study, we investigate the spatiotemporal dynamics of SWA during slow wave sleep-like stages in the urethane-anesthetized mice by the transcranial flavoprotein fluorescence imaging (FFI) technique. It is shown that the SWA is classified into locally isolated type and wide-spreading type based on the spreading size of SWA in the cortex. In addition, it is found that the propagation speed of the wide-spreading SWA changed discontinuously during traveling on the cortex. These results would explain the existence of distinct mechanisms that underlies initiation and development of SWA in the brain.
Keyword (in Japanese) (See Japanese page) 
(in English) Cerebral Cortex / Slow Wave Activity / Slow Wave Sleep / Intrinsic Optical Signal(s) / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 312, MBE2016-47, pp. 1-4, Nov. 2016.
Paper # MBE2016-47 
Date of Issue 2016-11-11 (MBE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee MBE NC  
Conference Date 2016-11-18 - 2016-11-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2016-11-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Spatio-temporal dynamics of slow wave activities measured by transcranial flavin autofluorescence imaging in the mouse neocortex 
Sub Title (in English)  
Keyword(1) Cerebral Cortex  
Keyword(2) Slow Wave Activity  
Keyword(3) Slow Wave Sleep  
Keyword(4) Intrinsic Optical Signal(s)  
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1st Author's Name Anri Sato  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Yuto Yoshida  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Mitsuyuki Nakao  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Norihiro Katayama  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2016-11-18 13:55:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2016-47 
Volume (vol) vol.116 
Number (no) no.312 
Page pp.1-4 
#Pages 4 
Date of Issue 2016-11-11 (MBE) 

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