title: Real and subjective lines and edges in the Bourdon illusion.
authors: J T
authors: JT
authors: Walker
authors: M D
authors: MD
authors: Shank
mesh_terms: D000293:Adolescent; D000328:Adult; D003071:Cognition; D005260:Female; D005556:Form Perception; D006801:Humans; D007088:Illusions; D008029:Lighting; D008297:Male; D008960:Models, Psychological; D009903:Optical Illusions; D013028:Space Perception