Color vision.
D000818:Animals; D001925:Brain Damage, Chronic / Q000523:psychology; D003118:Color Perception / Q000502:physiology*; D003117:Color Vision Defects / Q000523:psychology; D006801:Humans; D010786:Photoreceptor Cells / Q000502:physiology*; D011601:Psychophysics; D012160:Retina / Q000502:physiology*; D012660:Semantics; D012684:Sensory Thresholds; D014795:Visual Pathways / Q000502:physiology