On neural inhibition, contrast effects and visual sensitivity.
D003118:Color Perception; D003213:Conditioning, Psychological; D003623:Dark Adaptation; D006801:Humans; D009433:Neural Inhibition; D010775:Photic Stimulation; D010783:Photometry; D009435:Synaptic Transmission; D014785:Vision, Ocular; D014794:Visual Fields