ABSTRACT
New laboratory facts obtained in studying conditioned reflexes on dogs served as the point of departure for a physiological interpretation of the pathological forms. The author find it possible to assume that in stereotypy, iteration and perseveration as symptoms, as well as in the essence of the compulsive neurosis and paranoia, the basic pathophysiological phenomenon is the same, namely, what came to the fore in the author's experiments and what the author has designated by the term “pathological inertness”. The chapter focuses on compulsive neurosis and paranoia as separate, independent diseases in which the phenomenon we are interested in is the main characteristic symptom or almost the whole disease. Compulsive neurosis and paranoia are usually sharply distinguished as morbid forms clinically.
