Locus of spectral neutral point in monkey oppenent cells depends on stimulus luminance relative to background.
D000222:Adaptation, Physiological; D000818:Animals; D005071:Evoked Potentials; D005829:Geniculate Bodies / Q000166:cytology / Q000502:physiology*; D000882:Haplorhini; D008027:Light; D014796:Visual Perception / Q000502:physiology*