title: Conservation of vertical-horizontal space perception in trainable retarded children.
mesh_terms: D002648:Child; D002657:Child Development; D003071:Cognition; D003463:Cues; D004292:Dominance, Cerebral; D004495:Education of Persons with Intellectual Disabilities; D005260:Female; D005556:Form Perception; D006801:Humans; D007257:Information Theory; D008607:Intellectual Disability; D007361:Intelligence Tests; D008297:Male; D009949:Orientation; D011336:Probability; D011582:Psychological Theory; D013028:Space Perception; D013663:Teaching; D014794:Visual Fields; D014796:Visual Perception