TYPOLOGICAL DISORDERS IN SPEECH AND COGNITIVE DEVELOPMENT IN PRESCHOOLERS WITH GENERAL SPEECH UNDERDEVELOPMENT

The methodological basis of the study was the theory of the activity approach to the development of the psyche in ontogenesis (A.V. Zaporozhets, A.N. Leontiev, D.B. Elkonin, etc.); theoretical provisions on the structure of the defect (L.S. Vygotsky, T.A. Vlasova, V.I. Lubovsky, M.S. Pevsner, etc.); theory of psychological and clinical diagnostic criteria (S.S.Lyapidevsky, E.M. Mastyukova, O.V. Pravdina, A.M. Smirnova, M.E. Khvattsev, etc.); the position on the leading role of education and upbringing in the psychological development of the child (L.S. Vygotsky).