title: Age difference in perceptual judgment on the Mueller-Lyer illusion.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D003118:Color Perception; D005260:Female; D005556:Form Perception; D006801:Humans; D007088:Illusions; D007600:Judgment; D008297:Male; D008875:Middle Aged; D009949:Orientation