The invention relates to medicine and deals with using umbilical cord blood nucleated stem cells for treatment of neurological and mental disorders.This invention concerns using human umbilical cord blood nucleated cells for treatment of neurological and mental disorders bearing no risk of development of immunopathological states, not requiring HLA-typing and without limitations in repeated use in case of clinical indications.In accordance with the invention umbilical cord blood nucleated cells are introduced to the patient suffering from neurological or mental disorders in the therapeutically efficient amount which depending on the patients weight and clinical presentation ranges from 1x108 to 5x108 and preferably from about 2,2x108 to about 2,8x108 of cells per infusion.
