[Psychophysiological aspects of the problem of narcotic dependency]. / Nekotorye psikhofiziologicheskie aspekty problemy narkoticheskoi zavisimosti.

An attempt has been made at analyzing mechanisms of formation of addiction to narcotics from the standpoint of a systemic approach to a functional organization of psychic activity. A model is proposed of the pathological functional system as the basis of narcodependence, which combines processes of two adjoining levels--those of psychic activity and of higher nervous activity. It is suggested that pathological hyperactivity of the functional structure maintaining the need for a change in the emotional state might be the basis of addiction to narcotic drugs.

[Clinical and dynamic features of pathological craving for narcotics in patients with opioid (heroin) addiction]. / Kliniko-dinamicheskie osobennosti patologicheskogo vlecheniia k narkotikam u bol'nykh opiinoi (geroinovoi) narkomaniei.

Particular features have been studied of the clinical picture and time-related course of an abnormal urge to consume narcotics in patients with opiumism. The time-related characteristics of the pathological urge undergo qualitative changes with progression of the illness from the discrete character of actualization to a continuous maintenance of the addiction in the active state. Variants of the pathological urge to opiates dynamics, characteristic of different stages of opium addiction are highlighted.