Regions of brightness and darkness in the sequential presentation of partially overlapping straight lines.
D003624:Darkness; D005260:Female; D006801:Humans; D007088:Illusions; D007266:Inhibition, Psychological; D008027:Light; D008297:Male; D009039:Motion Perception; D013028:Space Perception; D013997:Time Factors; D014796:Visual Perception