Presentation | 1999/3/19 Modeling of the Pupillary Light Reflex Considering the Muscular Physiological Knowledge Hiroyuki SAKAI, Kazutsuna YAMAJI, Shiro USUI, |
---|---|
PDF Download Page | PDF download Page Link |
Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | The pupillary light reflex (PLR) which mainly controls the amount of incident light on the retina has been an object of bioengineering study as a typical involuntary neuro-control system. In this study, a new mathematical model of the PLR is proposed by considering the muscular physio1ogical knowledge. The proposed model has two subsystems. One is the retina and the central nervous system (RCNS) generating nervous signals as responses to light stimuli, and the other one is the muscle plant driven by the signal. Sphincter and dilator muscles in the muscle plant were described using a viscoelastic model, which incorporates the internal load property to precisely reflect the muscular dynamics. The changes in response property of the RCNS depending on light intensity was formulated. As a result, the new model can represent the static characteristic of the PLR and the flash responses to various light intensity. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | pupillary light reflex / sphincter / dilator / internal 1oad |
Paper # | MBE98-153 |
Date of Issue |
Conference Information | |
Committee | MBE |
---|---|
Conference Date | 1999/3/19(1days) |
Place (in Japanese) | (See Japanese page) |
Place (in English) | |
Topics (in Japanese) | (See Japanese page) |
Topics (in English) | |
Chair | |
Vice Chair | |
Secretary | |
Assistant |
Paper Information | |
Registration To | ME and Bio Cybernetics (MBE) |
---|---|
Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | Modeling of the Pupillary Light Reflex Considering the Muscular Physiological Knowledge |
Sub Title (in English) | |
Keyword(1) | pupillary light reflex |
Keyword(2) | sphincter |
Keyword(3) | dilator |
Keyword(4) | internal 1oad |
1st Author's Name | Hiroyuki SAKAI |
1st Author's Affiliation | Dept. of Infomation and computer Sciences. Toyohashi University of Technology() |
2nd Author's Name | Kazutsuna YAMAJI |
2nd Author's Affiliation | Dept. of Infomation and computer Sciences. Toyohashi University of Technology |
3rd Author's Name | Shiro USUI |
3rd Author's Affiliation | Dept. of Infomation and computer Sciences. Toyohashi University of Technology |
Date | 1999/3/19 |
Paper # | MBE98-153 |
Volume (vol) | vol.98 |
Number (no) | 672 |
Page | pp.pp.- |
#Pages | 8 |
Date of Issue |