title: Lateral preference and ability to conserve multiple spatial relations by mentally retarded children.
mesh_terms: D002648:Child; D002657:Child Development; D003210:Concept Formation; D004423:Ear / Q000503:physiopathology; D004495:Education of Persons with Intellectual Disabilities; D005123:Eye / Q000503:physiopathology; D005260:Female; D005528:Foot / Q000503:physiopathology; D007839:Functional Laterality; D006225:Hand / Q000503:physiopathology; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D008570:Memory, Short-Term; D009048:Motor Skills; D009949:Orientation; D013028:Space Perception; D013647:Task Performance and Analysis; D014796:Visual Perception