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| Presentation | 2016-03-23 14:00 External Input Response of Neural Network Model with Irregular Spontaneous Activity Yoshihiro Nagano, Ryo Karakida (UTokyo), Norifumi Watanabe (TUT), Atsushi Aoyama (Keio Univ), Masato Okada (UTokyo)  NC2015-85 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The previous studies have reported that the neural network model with connections following a lognormal distribution reproduces the irregular spontaneous activity. On the other hand, neurons exhibit rich evoked activities in vivo driven by sensory stimulus or top-down signals from higher cortical area. In this study, we reveal that the Teramae's model generates input driven gamma population oscillation. Moreover, when the inhibitory external inputs were injected to the model, there were firing-silent bistable regions in the input parameter space according to initial firing state. The bimodal membrane potential distribution was obtained under such conditions, and the model enables the physiologically reported up-down state. From these results, we can conclude that the SSWD model displays various evoked activities by the external input, and is biologically plausible. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Neural Network Model / Spontaneous Activity / Oscillation / Bistability / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 514, NC2015-85, pp. 89-94, March 2016. | |
| Paper # | NC2015-85 | |
| Date of Issue | 2016-03-15 (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 | NC2015-85 |
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| Conference Information | |
| Committee | MBE NC |
| Conference Date | 2016-03-22 - 2016-03-23 |
| 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 | 2016-03-MBE-NC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | External Input Response of Neural Network Model with Irregular Spontaneous Activity |
| Sub Title (in English) | |
| Keyword(1) | Neural Network Model |
| Keyword(2) | Spontaneous Activity |
| Keyword(3) | Oscillation |
| Keyword(4) | Bistability |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yoshihiro Nagano |
| 1st Author's Affiliation | The University of Tokyo (UTokyo) |
| 2nd Author's Name | Ryo Karakida |
| 2nd Author's Affiliation | The University of Tokyo (UTokyo) |
| 3rd Author's Name | Norifumi Watanabe |
| 3rd Author's Affiliation | Tokyo University of Technology (TUT) |
| 4th Author's Name | Atsushi Aoyama |
| 4th Author's Affiliation | Keio University (Keio Univ) |
| 5th Author's Name | Masato Okada |
| 5th Author's Affiliation | The University of Tokyo (UTokyo) |
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| Speaker | Author-1 |
| Date Time | 2016-03-23 14:00:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2015-85 |
| Volume (vol) | vol.115 |
| Number (no) | no.514 |
| Page | pp.89-94 |
| #Pages | 6 |
| Date of Issue | 2016-03-15 (NC) |
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