The comparative analysis of results of research of optical and spatial function at pupils of the 2nd, 3rd, 4th classes

In article, during a pilot study the author proves that at pupils of the 2nd, 3rd, 4th classes experiencing difficulties in mastering by written language the highest mental functions which provide psychological basis for mastering by speech aren't created. By results of research need of work on prevention of an optical component of violations of speech and disgrafiya is shown.