[Disorders of higher mental functions in the early stages of hydrocephalus].

The authors have carried out neuropsychological examinations of 32 children operated for hydrocephalus on the first year of the life. A syndrome of the higher psychic function disturbances characteristics for children with early hydrocephalus is described, and the results of the neuropsychological function examinations were compared with the character, etiology, and gravity of the hydrocephalus. In the children with the early hydrocephalus a high incidence of sinistrality was revealed, the fact, that gives one grounds to explain the peculiarities of the syndrome observed in them by an anomaly of the development of the brain functional asymmetry.