title: The Oppel-Kundt and the Müller-Lyer illusions among schizophrenics.
mesh_terms: D000328:Adult; D000367:Age Factors; D003071:Cognition; D003937:Diagnosis, Differential; D006778:Hospitals, Psychiatric; D006801:Humans; D007088:Illusions; D007361:Intelligence Tests; D008875:Middle Aged; D009903:Optical Illusions; D011582:Psychological Theory; D012563:Schizophrenia, Paranoid / Q000175:diagnosis*; D012565:Schizophrenic Psychology; D014796:Visual Perception