“…Obviously, children with severe and multiple developmental disabilities require constant intensive support in all vital areas: in self-care, movement, substantive activities, communication. However, our analysis of domestic and foreign sources revealed clear research emphasis in the field of organizing health care, education, social protection and alternative communication of children with SMDD (Goldbart, 2017;Hewett, Firth, Baber, & Harrison, 2011;Nind & Hewett, 1994;Tsarev et al, 2014;Vereshchaga, Moiseeva, & Paykova, 2017). Meanwhile, the problem of socialization and social communication of children with SMDD seems to be insufficiently studied.…”