PsilocybinPsilocybin, derived from mushrooms belonging to the genus Psilocybe, and psilocin, its active metabolite, are indolamines.Recent studies have shown that psilocybin has effects on brain functional connectivity.14 Its effects include reducing negative affect and amygdala response to emotional faces at 1 week, with enduring changes in resting state functional connectivity (RSFC) at 1...