protanopia

n. red–green color blindness in which the deficiency is due to the absence of the core photopigment sensitive to red light, resulting in red stimuli appearing very dim and confusion between red and green (see dichromatism). The condition may be unilateral (i.e., color vision may be normal in one eye). See also deuteranopia.

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Psychology term of the day

January 11th 2025

induced color

a color change in a visual field resulting from stimulation of a neighboring area, rather than from stimulation of the part of the field in which the change appears.