Presentation	2007-12-22 A mathematical model of the retinal rod network Yusuke MIYAMOTO, Yoshimi KAMIYAMA,
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Abstract(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_, I_, I_, I K_<(Ca)>, I_), 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.
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Keyword(in English)	mathematical model / rod network / photoreceptor / retina
Paper #	NC2007-80
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Conference Information
Committee	NC
Conference Date	2007/12/15(1days)
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Paper Information
Registration To	Neurocomputing (NC)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	A mathematical model of the retinal rod network
Sub Title (in English)
Keyword(1)	mathematical model
Keyword(2)	rod network
Keyword(3)	photoreceptor
Keyword(4)	retina
1st Author's Name	Yusuke MIYAMOTO
1st Author's Affiliation	Graduate School of Information Science, Aichi Prefectural University /()
2nd Author's Name	Yoshimi KAMIYAMA
2nd Author's Affiliation
Date	2007-12-22
Paper #	NC2007-80
Volume (vol)	vol.107
Number (no)	410
Page	pp.pp.-
#Pages	6
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