Psilocybin Research
Neuroticism is associated with challenging experiences with psilocybin mushrooms
FS Barrett, MW Johnson, and RR Griffiths.
Qualitative and Quantitative Features of Music Reported to Support Peak Mystical Experiences during Psychedelic Therapy Sessions
FS Barrett, H Robbins, D Smooke, JL Brown, and RR Griffiths.
Long-term follow-up of psilocybin-facilitated smoking cessation
MW Johnson, A Garcia-Romeu, MP Cosimano, and RR Griffiths.
Classic Hallucinogens and Mystical Experiences: Phenomenology and Neural Correlates
Barrett FS, Griffiths RR.
An online survey of tobacco smoking cessation associated with naturalistic psychedelic use
MW Johnson, A Garcia-Romeu, PS Johnson.
Psilocybin produces substantial and sustained decreases in depression and anxiety in patients with life-threatening cancer: A randomized double-blind trial
RR Griffiths, MW Johnson, MA Carducci, A Umbricht, WA Richards, BD Richards, MP Cosimano, and MA Klinedinst.
Psilocybin, psychological distress, and suicidality
PS Hendricks, MW Johnson, and RR Griffiths.
Validation of the revised Mystical Experience Questionnaire in experimental sessions with psilocybin
FS Barrett, MW Johnson, and RR Griffiths.
Psilocybin-Occasioned Mystical Experiences in the Treatment of Tobacco Addiction
A Garcia-Romeu, RR Griffiths, MW Johnson.
Pilot study of the 5-HT2AR agonist psilocybin in the treatment of tobacco addiction
MW Johnson, A Garcia-Romeu, MP Cosimano, and RR Griffiths.
Factor Analysis of the Mystical Experience: A Study of Experiences Occasioned by the Hallucinogen Psilocybin
KA MacLean, MW Johnson, M-MS Leoutsakos, and RR Griffiths.
Mystical experiences occasioned by the hallucinogen psilocybin lead to increases in the personality domain of openness
KA MacLean, MW Johnson, and RR Griffiths.
High Light: When a Psilocybin Study Leads to Spiritual Realization
Maria Estevez
Hallucinogens as Medicine
RR Griffiths and CS Grob
Human hallucinogen research: guidelines for safety
MW Johnson, WA Richards, RR Griffiths.
Mystical-type experiences occasioned by psilocybin mediate the attribution of personal meaning and spiritual significance 14 months later.
Roland R. Griffiths, William A. Richards, Una McCann, and Robert Jesse
Psilocybin can occasion mystical-type experiences having substantial and sustained personal meaning and spiritual significance.
Roland R. Griffiths, William A. Richards, Una McCann, and Robert Jesse
Psilocybin occasioned mystical-type experiences: immediate and persisting dose-related effects
Griffiths, Johnson, W.A. Richards, B.D. Richards, McCann, and Jesse.
Survey study of challenging experiences after ingesting psilocybin mushrooms: Acute and enduring positive and negative consequences.
Theresa M. Carbonaro, Matthew W. Johnson, Robert Jesse, Albert Garcia-Romeu, William A. Richards, and Roland R. Griffiths