The authors are highly qualified internationally recognized experts in the field of psychoanalysis. In their study, they try to historically trace the emergence and development of such widely used terms as transference, countertransference, resistance, response, insight, interpretation, etc., pointing out the differences in the use of these concepts by different authors and representatives of different schools in psychoanalysis. During the discussion, a clear picture of the relationship between the psychoanalyst and the patient in various clinical situations becomes clear. The book is recommended both to all specialists in the field of psychotherapy and to a wide range of readers interested in this area of humanitarian and medical knowledge.