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| Presentation | 2012-03-15 09:50 Stochastic State Transitions in Recurrent Neural Networks with Sparse Asymmetric Connections Koretaka Ogata, Takuma Tanaka, Kiyohiko Nakamura (Tokyo Tech)  NC2011-149 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently many studies have reported that neurons form clustered structures in neocortical microcircuits more than expected in random networks. In this paper, we show that stochastic transition from a long lasting quasi-stable state to another occurs in recurrent neural networks with dense intra-cluster and sparse inter-cluster connections. To analyse the network dynamics, we derive order parameter equations and examine equilibrium points and their stability. Then we investigate parameter dependency of statistical properties such as lifetime of quasi-stable states and randomness of state transitions. Finally, we discuss the relationship between the behavior of the model and physiological experimental results. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | recurrent neural network / associative memory model / sparse / state sequence / UP/DOWN / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 483, NC2011-149, pp. 165-169, March 2012. | |
| Paper # | NC2011-149 | |
| 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 | NC2011-149 |
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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) | Stochastic State Transitions in Recurrent Neural Networks with Sparse Asymmetric Connections |
| Sub Title (in English) | |
| Keyword(1) | recurrent neural network |
| Keyword(2) | associative memory model |
| Keyword(3) | sparse |
| Keyword(4) | state sequence |
| Keyword(5) | UP/DOWN |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Koretaka Ogata |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 2nd Author's Name | Takuma Tanaka |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 3rd Author's Name | Kiyohiko Nakamura |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
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| Speaker | Author-1 |
| Date Time | 2012-03-15 09:50:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2011-149 |
| Volume (vol) | vol.111 |
| Number (no) | no.483 |
| Page | pp.165-169 |
| #Pages | 5 |
| Date of Issue | 2012-03-07 (NC) |
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