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| Presentation | 2012-12-12 11:05 Instabilities of spurious state with synaptic depression Shin Murata, Yosuke Otsubo, Kenji Nagata (Univ. of Tokyo), Masato Okada (Univ. of Tokyo/BSI RIKEN)  NC2012-79 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The associative memory model is one of typical neural network model and has equilibrium state called spurious state in which memory patterns can’t be recalled. It is because the associative memory model has many equilibrium states besides memory patterns. In recent studies, synaptic depression, which is a kind of short-term synaptic plasticity, makes memory state instable and causes switching phenomena among memories. In this study, we find that the synaptic depression destabilizes spurious state and induces an oscillation of network. We find out that the oscillation is explained as two-dimensional circular motion by using principal component analysis. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Associative memory / Synaptic depression / Short-term synaptic plasticity / Spurious state / Principal component analysis / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 345, NC2012-79, pp. 31-36, Dec. 2012. | |
| Paper # | NC2012-79 | |
| Date of Issue | 2012-12-05 (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 | NC2012-79 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2012-12-12 - 2012-12-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Toyohashi University of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | NC |
| Conference Code | 2012-12-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Instabilities of spurious state with synaptic depression |
| Sub Title (in English) | |
| Keyword(1) | Associative memory |
| Keyword(2) | Synaptic depression |
| Keyword(3) | Short-term synaptic plasticity |
| Keyword(4) | Spurious state |
| Keyword(5) | Principal component analysis |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shin Murata |
| 1st Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 2nd Author's Name | Yosuke Otsubo |
| 2nd Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 3rd Author's Name | Kenji Nagata |
| 3rd Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 4th Author's Name | Masato Okada |
| 4th Author's Affiliation | The University of Tokyo/Brain Science Institute, RIKEN (Univ. of Tokyo/BSI RIKEN) |
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| Speaker | Author-1 |
| Date Time | 2012-12-12 11:05:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2012-79 |
| Volume (vol) | vol.112 |
| Number (no) | no.345 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2012-12-05 (NC) |
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