Psilocybe mushrooms, psilocybin & psilocin
Carhart-Harris et al. (2011). The administration of psilocybin to healthy, hallucinogen-experienced volunteers in a mock-functional magnetic resonance imaging environment: A preliminary investigation of tolerability. Journal of Psychopharmacology.
Kometer et al. (2012). Psilocybin biases facial recognition, goal-directed behavior, and mood state toward positive relative to negative emotions through different serotonergic subreceptors. Biological Psychiatry.
Kometer et al. (2013). Activation of serotonin 2A receptors underlies the psilocybin-induced effects on α oscillations, N170 visual-evoked potentials, and visual hallucinations. The Journal of Neuroscience.
Young (2013). Single treatments that have lasting effects: Some thoughts on the antidepressant effects of ketamine and botulinum toxin and the anxiolytic effect of psilocybin. Journal of Psychiatry & Neuroscience.