Photoreceptor inputs to pupil control

被引：46
|
作者：
Spitschan, Manuel [1 ,2 ,3 ]
机构：
[1] Univ Oxford, Dept Expt Psychol, Oxford, England
[2] Univ Basel UPK, Ctr Chronobiol, Psychiat Hosp, Basel, Switzerland
[3] Univ Basel, Transfac Res Platform Mol & Cognit Neurosci, Basel, Switzerland
来源：
JOURNAL OF VISION | 2019年 / 19卷 / 09期
基金：
英国惠康基金;
关键词：
melanopsin; pupil; cones; photoreceptors; RETINAL GANGLION-CELLS; MELANOPSIN; CONE; COLOR; RESPONSES;
D O I：
10.1167/19.9.5
中图分类号：
R77 [眼科学];
学科分类号：
100212 ;
摘要：
The size of the pupil depends on light level. Watson and Yellott (2012) developed a unified formula to predict pupil size from luminance, field diameter, age, and number of eyes. Luminance reflects input from the L and M cones in the retina but ignores the contribution of intrinsically photosensitive retinal ganglion cells (ipRGCs) expressing the photopigment melanopsin, which are known to control the size of the pupil. We discuss the role of melanopsin in controi' size by reanalyzing an extant data set (Bouma, 1962). We confirm that melanopsin-weighted quantities, in conjunction with Watson and Yellott formula, adequately model intenSitY-dependent pupil size. We discuss the contributions of other photoreceptors into pupil control.
引用
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页数：5
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