“…The theory of functional systems, medical cybernetics, neuropsychology, and systemic psychology (P. K. Anokhin, A. I. Berg, A. R. Luriya, and B. F. Lomov) provided the theoretical basis for these studies [1,3,5,6,14,17]. The use of these principles allowed the main requirements for the development of psychophysiological devices to be put forward.…”