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| 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 |
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| 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 | |
| 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 | NC2007-148 |
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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 |
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| 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 |
| #Pages | 6 |
| Date of Issue | 2008-03-05 (NC) |
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