SPECTRAL SENSITIVITY OF CONES OF THE MONKEY MACACA-FASCICULARIS
SPECTRAL SENSITIVITY OF CONES OF THE MONKEY MACACA-FASCICULARIS
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DOI：
10.1113/jphysiol.1987.sp016691
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发表时间：
1987-09-01
影响因子：
5.5
通讯作者：
SCHNAPF, JL
中科院分区：
文献类型：
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作者：
BAYLOR, DA;NUNN, BJ;SCHNAPF, JL
1.通过用抽吸电极记录来自单个外节的光电流来确定食蟹猴视网膜中的视锥细胞的光谱灵敏度。2.对闪光的响应的幅度和形状取决于被吸收的光子的数量，而不是波长，因此遵守了“均匀性原理”。3.光谱是从五个“蓝色”、二十个“绿色”和十六个“红色”视锥细胞中获得的。最大灵敏度的波长分别约为430、531和561 nm。4.在对数波数尺度上，三种锥的谱具有相似的形状，并可用经验公式拟合。5.没有证据表明存在具有不同光谱灵敏度的锥细胞亚类。在一类中，波长轴上的各个光谱的位置显示出小于1.5 nm的标准偏差。6.人类颜色匹配的心理物理学结果（Stiles和Burch，1955年; Stiles和Burch，1959年）从猴子视锥细胞的光谱敏感性中得到了很好的预测。在对视网膜前吸收和色素自屏蔽进行校正后，红色和绿色视锥的光谱与Stiles（1953，1959）的π 5和π 4机制相匹配。
1. Spectral sensitivities of cones in the retina of cynomolgus monkeys were determined by recording photocurrents from single outer segments with a suction electrode. 2. The amplitude and shape of the response to a flash depended upon the number of photons absorbed but not the wave-length, so that the ''Principle of Univariance'' was obeyed. 3. Spectra were obtained from five ''blue'', twenty ''green'', and sixteen ''red'' cones. The wave-lengths of maximum sensitivity were approximately 430, 531 and 561 nm, respectively. 4. The spectra of the three types of cones had similar shapes when plotted on a log wave number scale, and were fitted by an empirical expression. 5. There was no evidence for the existence of subclasses of cones with different spectral sensitivities. Within a class, the positions of the individual spectra on the wave-length axis showed a standard deviation of less than 1.5 nm. 6. Psychophysical results on human colour matching (Stiles and Burch, 1955; Stiles and Burch, 1959) were well predicted from the spectral sensitivities of the monkey cones. After correction for pre-retinal absorption and pigment self-screening, the spectra of the red and green cones matched the respective .pi.5 and .pi.4 mechanisms of Stiles (1953, 1959).