This chapter focuses on the potential use of serotonergic hallucinogen psilocybin in clinical as well as experimental psychiatry, addictology, and neurology. It presents the results of recent clinical studies with psilocybin and summarizes the psychological and neurobiological aspects of its effect in specific therapeutic indications.
In addition, it discusses the association between the psychotomimetic and therapeutic effects of this drug within the framework of the "entropic brain" theory.