This article examines the problem of the influence of screen time duration on the cognitive functions of primary school children with partial disability is considered. Using the method of neuropsychological diagnostics of school-age children J.M. Glozman, A.E. Soboleva (abridged version) and the questionnaire for parents “Features of the use of gadgets by primary school children” conducted a study on a sample of 37 primary school students with partial disability and their parents. The results showed a link between the duration of screen time and the level of development of both the entire cognitive sphere in general and individual cognitive functions in particular.