[Psychotropic properties of nootropic substances with a cholinergic action component in single and long-term use]

Long-term administration of centrophenoxine and cleregil was found to exert on rats the antiamnestic and anxiogenic-like effects, to increase emotional reactivity and aggressiveness, to reduce motor activity and readiness to contact. The withdrawal of centrophenoxine and especially cleregil was followed by still greater enhancement of emotional reactivity and the appearance of spontaneous aggressiveness.