The formation of history of the special help for children with developmental delay
The article presents the retrospective analysis of formation and development of special assistance to children with mental retardation. The author outlines theoretical and methodological perspectives in the definition of the concepts, content, principles, objectives and ways of diagnostics, the conditions of correction and overcoming of mental retardation. Each period of the evolution of special assistance to children with mental retardation described by the author with the position of a systematic analysis of the results of theoretical and empirical research. The approaches are reflected the socio-cultural, economic, political demands and attitudes of society.