Miyahara E, Cicerone C M
Department of Cognitive Sciences, University of California, Irvine 92697, USA.
Perception. 1997;26(11):1381-96. doi: 10.1068/p261381.
'Color from motion' describes the perception of a spread of subjective color over achromatic regions seen as moving. The effect is produced with a stimulus display consisting of colored dots, randomly placed upon a white field, with dots in the test region differing in both chromaticity and luminance from those in the surround. Evidence is presented suggesting that color from motion may be regulated by mechanisms different from those for contour formation and color contrast. (1) Results based on ratings show that, in the absence of luminance differences between the dots in the test and those in the surround regions, chromaticity differences alone are sufficient to produce color spread from motion. As the equiluminance point is approached, subjective color spread is seen despite a reduction in the strength of the subjective contour. Thus, contour formation is not likely to be a prerequisite for color from motion. (2) Color matches show that the hue and saturation of the subjective color spread are determined largely by the chromaticity and the luminance of the dots in the test region, not by those of the dots in the surround for the values explored. This suggests that color from motion may arise in sites distinct from those responsible for the regulation of color contrast.
“运动产生的颜色”描述了在被视为运动的消色差区域上主观颜色扩散的感知。这种效应是由一个刺激显示器产生的，该显示器由随机放置在白色背景上的彩色点组成，测试区域中的点在色度和亮度上与周围区域中的点不同。有证据表明，运动产生的颜色可能受与轮廓形成和颜色对比不同的机制调节。（1）基于评分的结果表明，在测试点和周围区域的点之间不存在亮度差异的情况下，仅色度差异就足以产生运动产生的颜色扩散。随着接近等亮度点，尽管主观轮廓的强度降低，但仍可看到主观颜色扩散。因此，轮廓形成不太可能是运动产生颜色的先决条件。（2）颜色匹配表明，主观颜色扩散的色调和饱和度在很大程度上取决于测试区域中点的色度和亮度，而不是在所探索的值中取决于周围区域中点的色度和亮度。这表明运动产生的颜色可能出现在与负责颜色对比调节的部位不同的部位。
