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  • 2020
  • 2018
  • 2016

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  • Roland R Griffiths
2020

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

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

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

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., Jan 1 2020, (Accepted/In press) In : Journal of Psychopharmacology.

Research output: Contribution to journalArticle

Open Access
2018

Classic hallucinogens and mystical experiences: Phenomenology and neural correlates

Barrett, F. & Griffiths, R. R., Jan 1 2018, Current Topics in Behavioral Neurosciences. Springer Verlag, p. 393-430 38 p. (Current Topics in Behavioral Neurosciences; vol. 36).

Research output: Chapter in Book/Report/Conference proceedingChapter

Double-blind comparison of the two hallucinogens psilocybin and dextromethorphan: effects on cognition

Barrett, F., Carbonaro, T. M., Hurwitz, E., Johnson, M. W. & Griffiths, R. R., Jan 1 2018, (Accepted/In press) In : Psychopharmacology.

Research output: Contribution to journalArticle

Intensity of mystical experiences occasioned by 5-MeO-DMT and comparison with a prior psilocybin study

Barsuglia, J., Davis, A. K., Palmer, R., Lancelotta, R., Windham-Herman, A. M., Peterson, K., Polanco, M., Grant, R. & Griffiths, R. R., Dec 6 2018, In : Frontiers in Psychology. 9, DEC, 2459.

Research output: Contribution to journalArticle

Psychedelic therapy for smoking cessation: Qualitative analysis of participant accounts

Noorani, T., Garcia-Romeu, A., Swift, T. C., Griffiths, R. R. & Johnson, M. W., Jul 1 2018, In : Journal of Psychopharmacology. 32, 7, p. 756-769 14 p.

Research output: Contribution to journalArticle

The abuse potential of medical psilocybin according to the 8 factors of the Controlled Substances Act

Johnson, M. W., Griffiths, R. R., Hendricks, P. S. & Henningfield, J. E., Nov 1 2018, In : Neuropharmacology. 142, p. 143-166 24 p.

Research output: Contribution to journalReview article

2016

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

Long-term follow-up of psilocybin-facilitated smoking cessation

Johnson, M. W., Garcia-Romeu, A. & Griffiths, R. R., Jul 23 2016, (Accepted/In press) In : American Journal of Drug and Alcohol Abuse. p. 1-6 6 p.

Research output: Contribution to journalArticle

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

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

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

Carbonaro, T. M., Bradstreet, M. P., Barrett, F., 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