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| Presentation | 2010-01-28 15:50 A CMOS circuit model accounting for the object motion sensitive response in vertebrate retinas Hidetaka Yasuoka, Murat Saglam, Yuki Hayashida, Nobuki Murayama (Kumamoto Univ.)  MBE2009-87 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Visual information processing in vertebrate animals starts in retinas. In recent electrophysiological studies, it has been demonstrated that the object motion segregated from the background motion that is due to, for example, fixational eye movement was computed, at least in part, by the retinal circuits. We have recently developed a numerical model that simulates this retinal computation at the neuronal level. In the present study, we made attempts, as the first step, to implement this model into a hardware CMOS transistor circuit with a one-dimensional photodiode array. Using discrete circuit components on breadboards, 20 cells for each of outer retinal neurons and 5 cells for each of wide-field amacrine cell and ganglion cell were constructed. In response to moving patterns of a striped image, the spatio-temporal response profiles of each neuron showed reasonable agreements with the numerical simulations in our model. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Visual function / Vertebrate retina / neuronal level / Hardware model / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 406, MBE2009-87, pp. 55-59, Jan. 2010. | |
| Paper # | MBE2009-87 | |
| Date of Issue | 2010-01-21 (MBE) | |
| 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 | MBE2009-87 |
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| Conference Information | |
| Committee | MBE |
| Conference Date | 2010-01-28 - 2010-01-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kumamoto Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | ME in general |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2010-01-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A CMOS circuit model accounting for the object motion sensitive response in vertebrate retinas |
| Sub Title (in English) | |
| Keyword(1) | Visual function |
| Keyword(2) | Vertebrate retina |
| Keyword(3) | neuronal level |
| Keyword(4) | Hardware model |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Hidetaka Yasuoka |
| 1st Author's Affiliation | Kumamoto University (Kumamoto Univ.) |
| 2nd Author's Name | Murat Saglam |
| 2nd Author's Affiliation | Kumamoto University (Kumamoto Univ.) |
| 3rd Author's Name | Yuki Hayashida |
| 3rd Author's Affiliation | Kumamoto University (Kumamoto Univ.) |
| 4th Author's Name | Nobuki Murayama |
| 4th Author's Affiliation | Kumamoto University (Kumamoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-01-28 15:50:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2009-87 |
| Volume (vol) | vol.109 |
| Number (no) | no.406 |
| Page | pp.55-59 |
| #Pages | 5 |
| Date of Issue | 2010-01-21 (MBE) |
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