Visual sensitivity.
D000221:Adaptation, Ocular; D000818:Animals; D003118:Color Perception / Q000502:physiology; D003623:Dark Adaptation; D004594:Electrophysiology; D005133:Eye Movements; D005556:Form Perception; D005829:Geniculate Bodies / Q000502:physiology; D006801:Humans; D009433:Neural Inhibition; D009475:Neurons, Afferent / Q000502:physiology; D010470:Perceptual Masking; D010786:Photoreceptor Cells / Q000502:physiology; D012160:Retina / Q000166:cytology; D013028:Space Perception / Q000502:physiology; D013045:Species Specificity; D014793:Visual Cortex / Q000502:physiology; D014796:Visual Perception / Q000502:physiology*