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Paper Abstract and Keywords
Presentation 2020-03-04 10:20
The relationship between psychiatric diseases and less exploratory behaviors
Shuhei Hara (Waseda Univ), Kenji Doya (OIST), Takayuki Koga, Yuta Takahashi, Rieko Osu (Waseda Univ) NC2019-77
Abstract (in Japanese) (See Japanese page) 
(in English) Less exploratory behaviors are seen in many psychiatric diseases. In our research, healthy subjects completed a behavioral task and filled in questionnaires that measured symptoms of various mental health conditions. By the use of computational model-based analysis, we investigated how much different inverse temperature and learning rate parameters in some psychiatric diseases and considered the roles of each parameter. Fitted one of the reinforcement learning models to actual experimental data, we found that the inverse temperature parameter is correlated with obsessive compulsivity disease and impulsivity both of which are including compulsivity symptoms. In addition, it is indicated that the learning rate is associated with a symptom dimension comprising rumination.
Keyword (in Japanese) (See Japanese page) 
(in English) Psychiatric Diseases / Explore/Exploit tradeoff / reinforcement learning / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 453, NC2019-77, pp. 9-14, March 2020.
Paper # NC2019-77 
Date of Issue 2020-02-26 (NC) 
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)
Download PDF NC2019-77

Conference Information
Committee NC MBE  
Conference Date 2020-03-04 - 2020-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) University of Electro Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Neuro Computing, Medical Engineering, etc. 
Paper Information
Registration To NC 
Conference Code 2020-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The relationship between psychiatric diseases and less exploratory behaviors 
Sub Title (in English)  
Keyword(1) Psychiatric Diseases  
Keyword(2) Explore/Exploit tradeoff  
Keyword(3) reinforcement learning  
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1st Author's Name Shuhei Hara  
1st Author's Affiliation Waseda University (Waseda Univ)
2nd Author's Name Kenji Doya  
2nd Author's Affiliation Okinawa Institute of Science and Technology Graduate University (OIST)
3rd Author's Name Takayuki Koga  
3rd Author's Affiliation Waseda University (Waseda Univ)
4th Author's Name Yuta Takahashi  
4th Author's Affiliation Waseda University (Waseda Univ)
5th Author's Name Rieko Osu  
5th Author's Affiliation Waseda University (Waseda Univ)
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Speaker Author-1 
Date Time 2020-03-04 10:20:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2019-77 
Volume (vol) vol.119 
Number (no) no.453 
Page pp.9-14 
#Pages
Date of Issue 2020-02-26 (NC) 


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