William A. Richards

Psilocybin produces substantial and sustained decreases in depression and anxiety in patients with life-threatening cancer: A randomized double-blind trial

Roland R. Griffiths, Matthew W. Johnson, Michael A. Carducci et al. · Journal of Psychopharmacology · 2016 · 2.1K citations · Full text

Psilocybin can occasion mystical-type experiences having substantial and sustained personal meaning and spiritual significance

Roland R. Griffiths, William A. Richards, U. McCann et al. · Psychopharmacology · 2006 · 1.6K citations

Psychiatry, Meditation, Spirituality +9

Psilocybin occasioned mystical-type experiences: immediate and persisting dose-related effects

Roland R. Griffiths, Matthew W. Johnson, William A. Richards et al. · Psychopharmacology · 2011 · 910 citations

Clinical Psychology, Psychopharmacology, Psychology +3

Psilocybin-occasioned mystical-type experience in combination with meditation and other spiritual practices produces enduring positive changes in psychological functioning and in trait measures of prosocial attitudes and behaviors

Roland R. Griffiths, Matthew W. Johnson, William A. Richards et al. · Journal of Psychopharmacology · 2017 · 506 citations · Full text

Implications of LSD and experimental mysticism

Walter N. Pahnke, William A. Richards · Journal of Religion and Health · 1966 · 245 citations

Psychoactive Drug, Neurophilosophy, Psychology +4