Research Acad. I.P. Pavlov, concerning the study of the functions of the higher parts of the central nervous system, the general results of which are summed up by his recently published book "Twenty Years of Objective Study of the Higher Nervous Activity of Animals," belong to rare and exceptional events in the history of science, area, a strong stream suddenly appears, saturated with the dynamics of a new methodology, a large and sharply outlined boundary is immediately erected, denoting a new era here, and the further development of this area along a new path is predetermined, constantly, as it moves, opening up new and new perspectives and enlivening the work of further by asking questions.