Visual adaptation.
D000221:Adaptation, Ocular / Q000502:physiology*; D000339:Affect / Q000502:physiology; D000360:Afterimage / Q000502:physiology*; D001143:Arousal / Q000502:physiology; D001288:Attention / Q000502:physiology*; D003118:Color Perception / Q000502:physiology*; D006801:Humans; D009949:Orientation / Q000502:physiology; D010364:Pattern Recognition, Visual / Q000502:physiology*; D020419:Photoreceptor Cells, Vertebrate / Q000502:physiology*; D012165:Retinal Ganglion Cells / Q000502:physiology*