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Paper Abstract and Keywords
Presentation 2015-06-24 14:20
A theoretical study of binocular rivalry in Drosophila -- Stable structure analysis of a visual system --
Shun Nakamoto, Yoshinori Suzuki (Tokyo Tech.), Takako Morimoto, Hiroyoshi Miyakawa (Tokyo Univ of Pharmacy and Life Sciences), Toru Aonishi (Tokyo Tech.) NC2015-2
Abstract (in Japanese) (See Japanese page) 
(in English) Tang et al. reported that there is a possibility of existence of the binocular rivalry in Drosophila. In this paper, under the hypothesis that the binocular rivalry in Drosophila is realized by a circuit of Lobula plate tangential cells (LPTCs) known as motion detectors, we explore the mechanism of the binocular rivalry by using a mathematical model of LPTCs circuit. Firstly, we constructed a simple circuit model in which electrically coupled cells were unified to a single cell, and all cells were described by the McCulloch-Pitts neuron model. We analytically confirmed that when giving both forward and backward translation stimuli, there are multiple stable states containing two states corresponding to responses to clockwise and counterclockwise rotation stimuli. Next we constructed a detailed model that consists of the conductance-based neuron model. We numerically confirmed that when giving forward translation stimuli, two firing cells, which separately exist in right and left hemispheres and have a preferred direction opposite to each other, were alternately excited/inhibited depending on noise fluctuations. There results suggest that dynamical activities of LPTCs circuit might involve in the binocular rivalry.
Keyword (in Japanese) (See Japanese page) 
(in English) Vision / Drosophila / LPTCs / Binocular rivalry / Model / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 111, NC2015-2, pp. 41-46, June 2015.
Paper # NC2015-2 
Date of Issue 2015-06-17 (NC) 
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 NC IPSJ-BIO IBISML IPSJ-MPS  
Conference Date 2015-06-23 - 2015-06-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Institute of Science and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Machine Learning Approach to Biodata Mining, and General 
Paper Information
Registration To NC 
Conference Code 2015-06-NC-BIO-IBISML-MPS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A theoretical study of binocular rivalry in Drosophila 
Sub Title (in English) Stable structure analysis of a visual system 
Keyword(1) Vision  
Keyword(2) Drosophila  
Keyword(3) LPTCs  
Keyword(4) Binocular rivalry  
Keyword(5) Model  
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1st Author's Name Shun Nakamoto  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
2nd Author's Name Yoshinori Suzuki  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
3rd Author's Name Takako Morimoto  
3rd Author's Affiliation Tokyo University of Pharmacy and Life Sciences (Tokyo Univ of Pharmacy and Life Sciences)
4th Author's Name Hiroyoshi Miyakawa  
4th Author's Affiliation Tokyo University of Pharmacy and Life Sciences (Tokyo Univ of Pharmacy and Life Sciences)
5th Author's Name Toru Aonishi  
5th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
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Speaker Author-1 
Date Time 2015-06-24 14:20:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2015-2 
Volume (vol) vol.115 
Number (no) no.111 
Page pp.41-46 
#Pages
Date of Issue 2015-06-17 (NC) 


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