%0 Journal Article %T Experience in applying the biofeedback method to assess the current psychological state of students during the educational process %A Ababkova, M.Y. %A Leonteva, V.L. %K biofeedback method, current psychological state, cardiorhythmogram, emotional sphere, self-study %J Living psychology %D 2018 %N 5 %P 15 %I Ltd Radomir-M+