Аннотация:The data on long-term neuropsychological study of patients with local brain damage are analyzed. A correlation between specific and dynamic troubles of mental activity was studied before and after neurosurgery. There is a dependence of the defects severity and stability on tumor location and laterization, on patients' age, sex and education, tumor type, postoperative complications, etc. The groups of risk which need special attention of physicians and rehabilitators are identified.