title: [Several principle problems in the study of higher nervous activity].
mesh_terms: D000818:Animals; D003214:Conditioning, Classical / Q000502:physiology*; D006613:Higher Nervous Activity; D006801:Humans; D011582:Psychological Theory
vernacular_title: Nekotorye printsipial'nye voprosy izucheniia vyssheĭ nervoĭ deiatel'nosti