L.A. Mayorova - Ph.D.(Med.), Research Scientist, Laboratory of applied physiology of human higher nervous activity, Institute of higher nervous activity and neurophysiology of RAS, Moscow; Centre of speech pathology and neurorehabilitation (Moscow) A. G. Petrushevsky - Radiologist, Centre of speech pathology and neurorehabilitation O.N. Fedina - Radiologist, Centre of speech pathology and neurorehabilitation