E.V. Khivintseva - Ph.D. (Med.), Associate Professor, Department of Neurology and Neurosurgery, SamSMU, Samara, Russia. E-mail: elena.v.kh@mail.ru A.V. Zakharov - Ph.D.(Med.), Associate Professor, Department of Neurology and Neurosurgery, SamSMU, Samara, Russia. E-mail: zakharov1977@mail.ru O.I. Antipov - Dr.Sc. (Phys.-Math.), Professor, Department of Bases of Designing and Technologies of Radio Engineering Systems, PSUTI, Samara, Russia. E-mail: oleg1307@mail.ru N.P. Romanchuk - Post-graduate Student, Department of Normal Physiology, SamSMU, Samara, Russia. E-mail: zakharov1977@mail.ru