Rod contributions to color perception: Linear with rod contrast
Rod contributions to color perception: Linear with rod contrast
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DOI：
10.1016/j.visres.2008.05.001
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发表时间：
2008-11-01
期刊：
影响因子：
1.8
通讯作者：
Zele, Andrew J.
中科院分区：
文献类型：
--
作者：
Cao, Dingcai;Pokorny, Joel;Zele, Andrew J.
在中亚光水平下，杆状体激活的增量变化引起颜色外观的变化。在本研究中，我们研究了视杆介导的颜色感知变化如何随视杆对比度的大小而变化。通过将杆介导的颜色变化与锥介导的颜色变化相匹配来评估颜色外观的变化。双通道四基色计允许独立控制杆状细胞和L-、M-和s -锥光感受器类型。在所有光照水平下，杆状体对推断PC、KC和MC通路介导的视觉的贡献与杆状体的增量对比度呈线性相关。这种线性关系可以用一种基于灵长类神经节细胞反应的模型来描述，该模型假设杆信号在中视光水平下通过杆-锥间隙连接传递。(c) 2008 Elsevier Ltd.版权所有。
At mesopic light levels, an incremental change in rod activation causes changes in color appearance. In this study, we investigated how rod mediated changes in color perception varied as a function of the magnitude of the rod contrast. Rod-mediated changes in color appearance were assessed by matching them with cone-mediated color changes. A two-channel four-primary colorimeter allowed independent control of the rods and each of the L-, M- and S-cone photoreceptor types. At all light levels, rod contributions to inferred PC, KC and MC pathway mediated vision were linearly related to the rod incremental contrast. This linear relationship could be described by a model based on primate ganglion cell responses with the assumption that rod signals were conveyed via rod-cone gap junctions at mesopic light levels. (c) 2008 Elsevier Ltd. All rights reserved.