title: [Psychological studies of intellectual deficiency (review)].
mesh_terms: D000124:Achievement; D001244:Association; D001288:Attention; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003072:Cognition Disorders / Q000523:psychology*; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis / Q000523:psychology*; D007360:Intelligence; D007361:Intelligence Tests; D008568:Memory; D010551:Personality; D012106:Research; D012917:Social Adjustment; D012959:Socioeconomic Factors; D013060:Speech; D013850:Thinking
vernacular_title: Psikhologicheskie issledovaniia intellektual'noĭ nedostatochnosti (obzor).