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Paper Abstract and Keywords
Presentation 2007-12-22 13:55
A mathematical model of a retinal rod photoreceptor network
Yusuke Miyamoto, Yoshimi Kamiyama (Aichi Prefectural Univ) NC2007-80
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, to analyze the underlying mechanism of rod photoresponses, we developed a mathematical model of the rod network based on anatomical and neurophysiological findings. We modeled single rod photoreceptor with five ionic currents ($I_{Ca}, I_{Kv}, I_{Cl(Ca)}, I_{K(Ca)}, I_{l}$), intracellular calcium system and phototransduction mechanism. Each rod compartment was connected by gap conductance according to the finding on rod electrical coupling (Zhang and Wu, 2004). In simulation, the responses of the model produced by small and large spots were in good agreement with the experimental results. The time course of the photoresponse produced in the rod model depended upon the area of illumination. Our results suggest that the ionic mechanisms of single rod itself can account for these photoresponses.
Keyword (in Japanese) (See Japanese page) 
(in English) mathematical model / rod network / photoreceptor / retina / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 410, NC2007-80, pp. 53-58, Dec. 2007.
Paper # NC2007-80 
Date of Issue 2007-12-15 (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 NC2007-80

Conference Information
Committee MBE NC  
Conference Date 2007-12-22 - 2007-12-22 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To NC 
Conference Code 2007-12-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A mathematical model of a retinal rod photoreceptor network 
Sub Title (in English)  
Keyword(1) mathematical model  
Keyword(2) rod network  
Keyword(3) photoreceptor  
Keyword(4) retina  
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1st Author's Name Yusuke Miyamoto  
1st Author's Affiliation Aichi Prefectural University (Aichi Prefectural Univ)
2nd Author's Name Yoshimi Kamiyama  
2nd Author's Affiliation Aichi Prefectural University (Aichi Prefectural Univ)
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Speaker Author-1 
Date Time 2007-12-22 13:55:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2007-80 
Volume (vol) vol.107 
Number (no) no.410 
Page pp.53-58 
#Pages 6 
Date of Issue 2007-12-15 (NC) 

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