Basic rest-activity cycle in the perception of the spiral after-effect; a sensitive detector of a basic biological rhythm.
D000293:Adolescent; D002940:Circadian Rhythm; D005260:Female; D005366:Figural Aftereffect; D006801:Humans; D007088:Illusions; D008297:Male; D012890:Sleep; D012895:Sleep, REM; D014796:Visual Perception; D014851:Wakefulness