Stimulus alternation and the Purkinje shift.
D000221:Adaptation, Ocular; D004596:Electroretinography; D005071:Evoked Potentials; D006801:Humans; D008027:Light; D008297:Male; D010775:Photic Stimulation; D012160:Retina / Q000502:physiology*; D013053:Spectrophotometry; D014793:Visual Cortex / Q000502:physiology*; D014794:Visual Fields