Mystical experiences occasioned by the hallucinogen psilocybin lead to increases in the personality domain of openness

Journal of Psychopharmacology (2011) - Comment
pubmed: 21956378 doi: 10.1177/0269881111420188 issn: 0269-8811 issn: 1461-7285

Katherine A MacLean, Matthew W Johnson, Roland R Griffiths