title: Visual thresholds in dichromats and normals; the importance of post-receptoral processes.
mesh_terms: D003117:Color Vision Defects / Q000503:physiopathology*; D006801:Humans; D010786:Photoreceptor Cells / Q000503:physiopathology; D012684:Sensory Thresholds / Q000502:physiology*; D013053:Spectrophotometry; D013997:Time Factors; D014796:Visual Perception / Q000502:physiology*