medium-wavelength pigment

the photopigment, present in one of the three populations of retinal cones, that has maximum sensitivity to a wavelength of 531 nm. The absence of the gene for the medium-wavelength pigment causes deuteranopia (red–green color blindness). See also long-wavelength pigment; short-wavelength pigment.

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Psychology term of the day

November 17th 2024

autistic fantasy

autistic fantasy

a defense mechanism in which a person deals with emotional conflict and stressors by indulging in excessive daydreaming as a substitute for active problem solving.