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A test image for the McCollough effect. On first looking at this image, the vertical and horizontal lines should look black and white, colorless. After induction, the space between vertical lines should look red and the space between horizontal lines should look green.
Based on these oppositions, the cells were called "Blue-yellow", "Green-red" and "black-white" opponent cells. In a recent review of the literature, Pridmore [ 1 ] notes that the definition of the color 'green' has been very subjective and inconsistent and that most recordings of retinal and thalamic (LGN) neurons were of Red-cyan color, and ...
Thus, the cells are coding complementary colors instead of opponent colors. Pridmore reported also of green–magenta cells in the retina and V1. He thus argued that the red–green and blue–yellow cells should be instead called green–magenta, red–cyan and blue–yellow complementary cells. An example of the complementary process can be ...
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These are simultaneously dark and impossibly saturated. For example, to see "stygian blue": staring at bright yellow causes a dark blue afterimage, then on looking at black, the blue is seen as blue against the black, also as dark as the black. The color is not possible to achieve through normal vision, because the lack of incident light (in ...
Feelings of joy and sadness were strongly associated with the brightness, value, saturation, chroma and lightness of the game being played. The greater the color saturation was in the video game, the more strongly felt these emotions were among the players. Less color saturation in the video game predicted higher feelings of fear. [88]
Psychophysics experiments have shown that relative orientations between 0 deg and about 50 deg produce repulsion effects (the test line or grating tends to rotate away from the contextual stimulus), which is known as the direct form of the tilt effect; but larger relative orientations up to 90 deg produce attraction effects (the test line or ...
It states that the visual system interprets color in an antagonistic way: red vs. green, blue vs. yellow, black vs. white. Both theories are generally accepted as valid, describing different stages in visual physiology, visualized in the adjacent diagram. [12]: 168 Green–magenta and blue–yellow are scales with mutually exclusive boundaries.