The disappearance of real and subjective contours.
D000293:Adolescent; D000328:Adult; D005260:Female; D005556:Form Perception / Q000502:physiology*; D006801:Humans; D008297:Male; D009430:Neural Analyzers / Q000502:physiology*; D010466:Perceptual Closure / Q000502:physiology*; D011601:Psychophysics