title: Psychophysical studies of pigeon color vision--II. The spectral photochromatic interval function.
mesh_terms: D000221:Adaptation, Ocular; D000818:Animals; D003118:Color Perception / Q000502:physiology*; D010856:Columbidae / Q000502:physiology*; D003216:Conditioning, Operant; D008954:Models, Biological; D010812:Physical Stimulation; D011601:Psychophysics; D014785:Vision, Ocular; D014794:Visual Fields