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Paper Abstract and Keywords
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
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.
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
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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

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
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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