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Paper Abstract and Keywords
Presentation 2019-06-18 10:50
A sleep state analysis from calcium imaging data using non-negative matrix factorization
Mizuo Nagayama, Toshimitsu Aritake (Waseda Univ.), Hideitsu Hino (ISM), Takeshi Kanda, Takehiro Miyazaki, Masashi Yanagisawa (Univ. of Tsukuba), Shotaro Akaho (AIST), Noboru Murata (Waseda Univ.) NC2019-14 IBISML2019-12
Abstract (in Japanese) (See Japanese page) 
(in English) Sleep is an essential process for the survival of animals, however, its phenomenon is poorly understood. We aim to discover phenomena which characterize sleep/wake states from calcium imaging data. Calcium imaging is a technique that can observe activities of a large number of neurons simultaneously, however, it has a disadvantage of low time resolution. Therefore, we do not inference on neuronal activity at a single spike level. In this paper, we made an assumption that groups of neurons become active simultaneously. We used non-negative matrix factorization (NMF) to identify those groups and their neuronal activities in time. As a result, a neuronal group that become active in NREM sleep was estimated.
Keyword (in Japanese) (See Japanese page) 
(in English) Sleep / Calcium Imaging / Non-negative Matrix Factorization / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 89, IBISML2019-12, pp. 79-83, June 2019.
Paper # IBISML2019-12 
Date of Issue 2019-06-10 (NC, IBISML) 
ISSN 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)
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Conference Information
Committee NC IBISML IPSJ-MPS IPSJ-BIO  
Conference Date 2019-06-17 - 2019-06-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Institute of Science and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Neurocomputing, Machine Learning Approach to Biodata Mining, and General 
Paper Information
Registration To IBISML 
Conference Code 2019-06-NC-IBISML-MPS-BIO 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A sleep state analysis from calcium imaging data using non-negative matrix factorization 
Sub Title (in English)  
Keyword(1) Sleep  
Keyword(2) Calcium Imaging  
Keyword(3) Non-negative Matrix Factorization  
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1st Author's Name Mizuo Nagayama  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Toshimitsu Aritake  
2nd Author's Affiliation Waseda University (Waseda Univ.)
3rd Author's Name Hideitsu Hino  
3rd Author's Affiliation The Institute of Statistical Mathematics (ISM)
4th Author's Name Takeshi Kanda  
4th Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
5th Author's Name Takehiro Miyazaki  
5th Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
6th Author's Name Masashi Yanagisawa  
6th Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
7th Author's Name Shotaro Akaho  
7th Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
8th Author's Name Noboru Murata  
8th Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2019-06-18 10:50:00 
Presentation Time 25 minutes 
Registration for IBISML 
Paper # NC2019-14, IBISML2019-12 
Volume (vol) vol.119 
Number (no) no.88(NC), no.89(IBISML) 
Page pp.57-61(NC), pp.79-83(IBISML) 
#Pages 5 
Date of Issue 2019-06-10 (NC, IBISML) 

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