The article reveals the specific features of the process of increasing the cognitive activity in younger students with intellectual disability. The authors descrbe the components and markers of the levels of manifestation of the cognitive activity in younger students in the educational process. The necessity of developing didactic foundations for the use of multimedia presentations when organizing the process of raising the level of cognitive activity of primary school students with intellectual inadequacy is substantiated.

There are described the disorders in development of communicative aspect of speech of children with autism spectrum disorders. There are represented the groups of communicative skills, described their peculiarities in speech of children suffering from autism. There are given the results of the empiric research directed at studying the level of development of each group of communicative skills of children with autism spectrum disorders. There is revealed the stage-by-stage process directed at formation of the represented groups of communicative skills in the conditions of rehabilitation centre for disabled children and teenagers.