Is the red-green contrast mechanism more sensitive than achromatic contrast mechanism?
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The red-green contrast mechanism is more sensitive than the achromatic contrast mechanism . The studies suggest that human vision possesses three mechanisms sensitive to red-green lights: a red half-wave linear mechanism, a complementary green half-wave linear mechanism, and a third mechanism that is activated by color-scrambles with low chromatic contrast in high-chromatic-contrast backgrounds . These mechanisms show marked asymmetry, with worse resolution acuity and more extended spatial summation for green stimuli compared to red stimuli . The red-green hue shift is also largest for yellow/brown targets and progressively reduced for achromatic and blue targets as target excitation of S cones increases . The magnitude of the hue shift can be predicted by the S/(L+M) excitation of the target when bright white surrounds are used .
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14 Citations | The paper does not provide information about the sensitivity of the red-green contrast mechanism compared to the achromatic contrast mechanism. |
| The paper does not provide information about the sensitivity of the red-green contrast mechanism compared to the achromatic contrast mechanism. | |
| The paper does not provide information about the sensitivity of the red-green contrast mechanism compared to the achromatic contrast mechanism. | |
| The paper does not directly address the sensitivity of the red-green contrast mechanism compared to the achromatic contrast mechanism. | |
9 Citations | The paper does not directly compare the sensitivity of the red-green contrast mechanism and the achromatic contrast mechanism. |
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