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Paper Abstract and Keywords
Presentation 2018-01-27 10:55
Visual information encoding by high-frequency spike population in mouse retinal ganglion cells
Hirotsugu Yamaguchi, Yuka Kudo, Koji Ishii, Yuki Hayashida, Tetsuya Yagi (Osaka Univ.) NC2017-60
Abstract (in Japanese) (See Japanese page) 
(in English) It is well known that visual information is continuously transformed into spike discharges in ganglion cells in the retinal circuits. However, little is known about the visual features encoded in the spike patterns and corresponding fundamental circuit structures of the retina. In order to elucidate the issue, previous studies have recorded and analyzed responses of retinal ganglion cells to randomly modulated illumination mainly from the statistical point of view. In this study, we designed an integrated circuit system that mimics the fundamental structure of retinal circuit and reproduced the ganglion cell responses to elucidate the dynamical properties of signal coding. We implemented the transient tOff-$alpha$ganglion cell circuit and simulated the spike responses evoked by randomly modulated illumination. The model exhibited spike responses including intermittent high frequency spike sequences similar to the physiologically recorded responses. Using the model, spike patterns were shown to be classified in terms of inter-spike intervals. The model designed in the present study is useful to efficient study the visual function and relevant fundamental circuit structures in the natural visual environment.
Keyword (in Japanese) (See Japanese page) 
(in English) Retina / Ganglion Cell / Spike Coding / Hardware Simulation / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 417, NC2017-60, pp. 59-64, Jan. 2018.
Paper # NC2017-60 
Date of Issue 2018-01-19 (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 NC2017-60

Conference Information
Committee MBE NC NLP  
Conference Date 2018-01-26 - 2018-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ME, generalImplementation of Neuro Computing,Analysis and Modeling of Human Science, 
Paper Information
Registration To NC 
Conference Code 2018-01-MBE-NC-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Visual information encoding by high-frequency spike population in mouse retinal ganglion cells 
Sub Title (in English)  
Keyword(1) Retina  
Keyword(2) Ganglion Cell  
Keyword(3) Spike Coding  
Keyword(4) Hardware Simulation  
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1st Author's Name Hirotsugu Yamaguchi  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Yuka Kudo  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Koji Ishii  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Yuki Hayashida  
4th Author's Affiliation Osaka University (Osaka Univ.)
5th Author's Name Tetsuya Yagi  
5th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2018-01-27 10:55:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2017-60 
Volume (vol) vol.117 
Number (no) no.417 
Page pp.59-64 
#Pages
Date of Issue 2018-01-19 (NC) 


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