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| Presentation | 2012-03-14 11:05 A theoretical study of a recurrent neural network in fly visual system -- A response to a rotational stimulus -- Yoshinori Suzuki (Tokyo Tech), Takako Morimoto, Hiroyoshi Miyakawa (Tokyo Univ of Pharm. and Life Sci), Toru Aonishi (Tokyo Tech)  NC2011-123 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It has been reported that there are motion detection cells on both sides in fly visual system, which are mutually connected in a unique manner. However, little is known about the role of this mutual connection in visual information processing. Here, to elucidate the role of the connection, we constructed a model of recurrent network with formal neurons. By employing the stability analysis for the network model, we found that this model can form competitive network models with either bistable or triple-stable steady states depending on values of model parameters. Furhermore, by numerically calculating mutual information between neural responses and motion stimuli, under noisy conditions, we showed that neural sensitivity for characterizing stimulus coding is enhanced by the mutual connetion. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Fly / visual system / LPTCs / noise / competition model / vinocular vision / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 483, NC2011-123, pp. 11-16, March 2012. | |
| Paper # | NC2011-123 | |
| Date of Issue | 2012-03-07 (NC) | |
| ISSN | Print edition: ISSN 0913-5685 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 | NC2011-123 |
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| Conference Information | |
| Committee | MBE NC |
| Conference Date | 2012-03-14 - 2012-03-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tamagawa University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | NC |
| Conference Code | 2012-03-MBE-NC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A theoretical study of a recurrent neural network in fly visual system |
| Sub Title (in English) | A response to a rotational stimulus |
| Keyword(1) | Fly |
| Keyword(2) | visual system |
| Keyword(3) | LPTCs |
| Keyword(4) | noise |
| Keyword(5) | competition model |
| Keyword(6) | vinocular vision |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yoshinori Suzuki |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 2nd Author's Name | Takako Morimoto |
| 2nd Author's Affiliation | Tokyo University of Pharmacy and Life Sciences (Tokyo Univ of Pharm. and Life Sci) |
| 3rd Author's Name | Hiroyoshi Miyakawa |
| 3rd Author's Affiliation | Tokyo University of Pharmacy and Life Sciences (Tokyo Univ of Pharm. and Life Sci) |
| 4th Author's Name | Toru Aonishi |
| 4th Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
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| Speaker | Author-1 |
| Date Time | 2012-03-14 11:05:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2011-123 |
| Volume (vol) | vol.111 |
| Number (no) | no.483 |
| Page | pp.11-16 |
| #Pages | 6 |
| Date of Issue | 2012-03-07 (NC) |
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