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  • Roland R Griffiths

A brief manualized treatment for problematic caffeine use: A randomized control trial

Evatt, D. P., Juliano, L. M. & Griffiths, R. R., Feb 1 2016, In : Journal of Consulting and Clinical Psychology. 84, 2, p. 113-121 9 p.

Research output: Contribution to journalArticle

An online survey of tobacco smoking cessation associated with naturalistic psychedelic use

Johnson, M. W., Garcia-Romeu, A., Johnson, P. S. & Griffiths, R. R., Jul 1 2017, In : Journal of Psychopharmacology. 31, 7, p. 841-850 10 p.

Research output: Contribution to journalReview article

Effects of caffeine on alcohol reinforcement: beverage choice, self-administration, and subjective ratings

Sweeney, M. M., Meredith, S. E., Evatt, D. P. & Griffiths, R. R., Mar 1 2017, In : Psychopharmacology. 234, 5, p. 877-888 12 p.

Research output: Contribution to journalArticle

Emotions and brain function are altered up to one month after a single high dose of psilocybin

Barrett, F. S., Doss, M. K., Sepeda, N. D., Pekar, J. J. & Griffiths, R. R., Dec 1 2020, In : Scientific reports. 10, 1, 2214.

Research output: Contribution to journalArticle

Open Access

Naltrexone but Not Ketanserin Antagonizes the Subjective, Cardiovascular, and Neuroendocrine Effects of Salvinorin-A in Humans

Maqueda, A. E., Valle, M., Addy, P. H., Antonijoan, R. M., Puntes, M., Coimbra, J., Ballester, M. R., Garrido, M., González, M., Claramunt, J., Barker, S., Lomnicka, I., Waguespack, M., Johnson, M. W., Griffiths, R. R. & Riba, J., Jul 1 2016, In : The international journal of neuropsychopharmacology. 19, 7

Research output: Contribution to journalArticle

Persisting Reductions in Cannabis, Opioid, and Stimulant Misuse After Naturalistic Psychedelic Use: An Online Survey

Garcia-Romeu, A., Davis, A. K., Erowid, E., Erowid, F., Griffiths, R. R. & Johnson, M. W., Jan 22 2020, In : Frontiers in Psychiatry. 10, 955.

Research output: Contribution to journalArticle

Open Access

Potential Therapeutic Effects of Psilocybin

Johnson, M. W. & Griffiths, R. R., Jul 1 2017, In : Neurotherapeutics. 14, 3, p. 734-740 7 p.

Research output: Contribution to journalReview article

Psilocybin acutely alters the functional connectivity of the claustrum with brain networks that support perception, memory, and attention

Barrett, F. S., Krimmel, S. R., Griffiths, R., Seminowicz, D. A. & Mathur, B. N., Sep 2020, In : NeuroImage. 218, 116980.

Research output: Contribution to journalArticle

Open Access

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

Griffiths, R. R., Johnson, M. W., Carducci, M. A., Umbricht, A., Richards, W. A., Richards, B. D., Cosimano, M. P. & Klinedinst, M. A., Dec 1 2016, In : Journal of Psychopharmacology. 30, 12, p. 1181-1197 17 p.

Research output: Contribution to journalArticle

Qualitative and quantitative features of music reported to support peak mystical experiences during psychedelic therapy sessions

Barrett, F. S., Robbins, H., Smooke, D., Brown, J. L. & Griffiths, R. R., Jul 25 2017, In : Frontiers in Physiology. 8, JUL, 1238.

Research output: Contribution to journalArticle

Survey of entity encounter experiences occasioned by inhaled N,N-dimethyltryptamine: Phenomenology, interpretation, and enduring effects

Davis, A. K., Clifton, J. M., Weaver, E. G., Hurwitz, E. S., Johnson, M. W. & Griffiths, R. R., Sep 1 2020, In : Journal of Psychopharmacology. 34, 9, p. 1008-1020 13 p.

Research output: Contribution to journalArticle

Open Access

Survey study of challenging experiences after ingesting psilocybin mushrooms: Acute and enduring positive and negative consequences

Carbonaro, T. M., Bradstreet, M. P., Barrett, F. S., MacLean, K. A., Jesse, R., Johnson, M. W. & Griffiths, R. R., Dec 1 2016, In : Journal of Psychopharmacology. 30, 12, p. 1268-1278 11 p.

Research output: Contribution to journalArticle

Time course of pharmacokinetic and hormonal effects of inhaled high-dose salvinorin A in humans

Johnson, M. W., MacLean, K. A., Caspers, M. J., Prisinzano, T. E. & Griffiths, R. R., Apr 1 2016, In : Journal of Psychopharmacology. 30, 4, p. 323-329 7 p.

Research output: Contribution to journalArticle