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Paper Abstract and Keywords
Presentation 2008-03-13 10:00
Influence of interocular inhibition in LGN on the formation of cortical receptive fields
Erina Kikuchi, Masanobu Miyashita (Numazu Nat. Col. of Tech.), Shigeru Tanaka (RIKEN BSI) NC2007-148
Abstract (in Japanese) (See Japanese page) 
(in English) There is inhibitory interaction between the left-eye specific and right-eye specific LGN neurons, which may modulate output activities of those neurons. To date, few studies have been attempted for understanding roles of this inhibitory interaction in the formation of receptive fields (RFs) of visual cortical neurons. In this study, we addressed this issue performing computer simulations of activity-dependent self-organization of geniculocortical inputs. When the magnitude of the inhibitory interaction was assumed to be weak, simulated binocular RFs showed a close agreement between the left-eye and right-eye RFs. In contrast, when the magnitude of the interaction was assumed to be strong, simulated RFs showed that not only profiles of ON and OFF subfields were different but also the positions of RF centers were different in the two eyes. These results suggest that the interocular inhibitory interaction in the LGN contributes to the formation of visual cortical neurons that are sensitive to binocular disparity.
Keyword (in Japanese) (See Japanese page) 
(in English) cortical receptive field / self-organization / interocular inhibitory / binocular disparity / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 542, NC2007-148, pp. 215-220, March 2008.
Paper # NC2007-148 
Date of Issue 2008-03-05 (NC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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)
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Conference Information
Committee NC MBE  
Conference Date 2008-03-12 - 2008-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2008-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Influence of interocular inhibition in LGN on the formation of cortical receptive fields 
Sub Title (in English)  
Keyword(1) cortical receptive field  
Keyword(2) self-organization  
Keyword(3) interocular inhibitory  
Keyword(4) binocular disparity  
1st Author's Name Erina Kikuchi  
1st Author's Affiliation Numazu National College of Technology (Numazu Nat. Col. of Tech.)
2nd Author's Name Masanobu Miyashita  
2nd Author's Affiliation Numazu National College of Technology (Numazu Nat. Col. of Tech.)
3rd Author's Name Shigeru Tanaka  
3rd Author's Affiliation Brain Science Institute of RIKEN (RIKEN BSI)
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Speaker Author-1 
Date Time 2008-03-13 10:00:00 
Presentation Time 20 minutes 
Registration for NC 
Paper # NC2007-148 
Volume (vol) vol.107 
Number (no) no.542 
Page pp.215-220 
Date of Issue 2008-03-05 (NC) 

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