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long-wavelength pigment

the photopigment, present in one of the three populations of retinal cones, that has maximum sensitivity to a light wavelength of 558 nm. The absence of the gene for the long-wavelength pigment causes protanopia (red color blindness). See also medium-wavelength pigment; short-wavelength pigment.

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Psychology term of the day

May 8th 2024

between-groups design

between-groups design

see between-subjects design.