title: Life-span age trends in the perception of the Mueller-Lyer: additional evidence for the existence of two illusions.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D001288:Attention; D002648:Child; D002675:Child, Preschool; D005556:Form Perception; D006801:Humans; D007088:Illusions; D008875:Middle Aged; D009903:Optical Illusions