title: Developmental study of a haptic illusion in relation to Piaget's centration theory.
mesh_terms: D000293:Adolescent; D000328:Adult; D000375:Aging; D002648:Child; D005260:Female; D006801:Humans; D007088:Illusions / Q000502:physiology*; D008297:Male; D009903:Optical Illusions / Q000502:physiology*; D011582:Psychological Theory