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| Presentation | 2011-03-07 15:25 A simulation study of visual perceptual learning with attentional signals Satoshi Naito, Naoto Yukinawa, Shin Ishii (Kyoto Univ.)  NC2010-140 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Our perceptual ability of arbitrary stimuli can be improved by continued training and exposures to the stimuli. This experience dependent improvement is referred to as perceptual learning. One characteristic feature of perceptual learning is task specificity, in which the learning occurs only on the task-related stimulus out of all presented stimuli. It is thought that the task specificity is due to a top-down process driven by attention in the brain. On the other hand, recent developments of measurement technologies have enabled us to observe experimentally neuronal changes during perceptual learning. Nevertheless, there is still a missing link; no previous study has clarified the direct relationship between the attentional top-down process and the neuronal changes due to perceptual learning. In order to elucidate this, in this study, we propose a neural network model which includes two layers corresponding to the primary visual cortex and the higher visual cortex with attentional effects. Using this model, we show that neurons in the higher visual cortex change their responses to the stimuli, induced by attention controls, during perceptual learning. A potential neural mechanism underlying the result is also discussed. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Perceptual learning / Synaptic plasticity / A tunig curve / Feed-forward network model / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 461, NC2010-140, pp. 77-82, March 2011. | |
| Paper # | NC2010-140 | |
| Date of Issue | 2011-02-28 (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 | NC2010-140 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2011-03-07 - 2011-03-09 |
| 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 | 2011-03-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A simulation study of visual perceptual learning with attentional signals |
| Sub Title (in English) | |
| Keyword(1) | Perceptual learning |
| Keyword(2) | Synaptic plasticity |
| Keyword(3) | A tunig curve |
| Keyword(4) | Feed-forward network model |
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| 1st Author's Name | Satoshi Naito |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Naoto Yukinawa |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Shin Ishii |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | 1 |
| Date Time | 2011-03-07 15:25:00 |
| Presentation Time | 25 |
| Registration for | NC |
| Paper # | IEICE-NC2010-140 |
| Volume (vol) | IEICE-110 |
| Number (no) | no.461 |
| Page | pp.77-82 |
| #Pages | IEICE-6 |
| Date of Issue | IEICE-NC-2011-02-28 |
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