title: Complex visual discriminations in cultural familial retardates and normal children.
mesh_terms: D000293:Adolescent; D000328:Adult; D001244:Association; D002648:Child; D002657:Child Development; D002674:Child, Institutionalized; D004192:Discrimination, Psychological; D004522:Educational Status; D005246:Feedback; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D007360:Intelligence; D008297:Male; D011930:Reaction Time; D012201:Reward; D014796:Visual Perception