E.A. Severina - Post-graduate Student, Peoples - Friendship University of Russia (Moscow) V.I. Torshin - Dr.Sc. (Biol.), Head Department of Normal Physiology, Peoples - Friendship University of Rus-sia A.E. Severin - Dr.Sc. (Med.), Professor, Department of Normal Physiology, Peoples - Friendship University of Russia N. Mansur - Ph.D. (Med.), Head of Department of Nevrology, Clinical Hospital № 64, Moscow O.Al. Bavarid - Student 4-nd year, Peoples - Friendship University of Russia Zh.B. Onzimba Lenyungo - Ph.D. (Psychol.), Associate Professor, Peoples - Friendship University of Russia