Griffiths, Roland R.

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. (2016) · Journal of Psychopharmacology

Psychedelics and Drug StudiesReligion, Spirituality, and Psychology

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

Griffiths, R. R., Richards, W. A., McCann, U., & Jesse, R. (2006) · Psychopharmacology

Psychedelics and Drug StudiesReligion, Spirituality, and Psychology

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Effects of Psilocybin-Assisted Therapy on Major Depressive Disorder: A Randomized Clinical Trial

Davis, A. K., Barrett, F. S., May, D. G., Cosimano, M. P., Sepeda, N. D., Johnson, M. W., Finan, P. H., & Griffiths, R. R. (2021) · JAMA Psychiatry

Psychedelics and Drug StudiesTreatment of Major Depression

Cited by 1,301

Caffeinated energy drinks a growing problem

Reissig, C. J., Strain, E. C., & Griffiths, R. R. (2009) · Drug and Alcohol Dependence

Coffee research and impactsSubstance Abuse Treatment and Outcomes

Cited by 1,026

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

Griffiths, R. R., Johnson, M. W., Richards, W. A., Richards, B. D., McCann, U., & Jesse, R. (2011) · Psychopharmacology

Psychedelics and Drug StudiesParanormal Experiences and Beliefs

Cited by 932

Pilot study of the 5-HT 2A R agonist psilocybin in the treatment of tobacco addiction

Johnson, M. W., Garcia-Romeu, A., Cosimano, M. P., & Griffiths, R. R. (2014) · Journal of Psychopharmacology

Psychedelics and Drug StudiesSmoking Behavior and Cessation

Cited by 914

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

MacLean, K. A., Johnson, M. W., & Griffiths, R. R. (2011) · Journal of Psychopharmacology

Psychedelics and Drug StudiesParanormal Experiences and Beliefs

Cited by 895

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

Johnson, M. W., Garcia-Romeu, A., & Griffiths, R. R. (2017) · The American Journal of Drug and Alcohol Abuse

Smoking Behavior and CessationPsychedelics and Drug Studies

Cited by 696

Validation of the revised Mystical Experience Questionnaire in experimental sessions with psilocybin

Barrett, F. S., Johnson, M. W., & Griffiths, R. R. (2015) · Journal of Psychopharmacology

Psychedelics and Drug StudiesParanormal Experiences and Beliefs

Cited by 637

Single-Dose Psilocybin Treatment for Major Depressive Disorder: A Randomized Clinical Trial

Raison, C. L., Sanacora, G., Woolley, J., Heinzerling, K., Dunlop, B. W., Brown, R. T., Kakar, R., Hassman, M., Trivedi, R. P., Robison, R., et al. (2023) · JAMA

Psychedelics and Drug StudiesTreatment of Major Depression

Cited by 545

The subjective effects of psychedelics are necessary for their enduring therapeutic effects

Yaden, D. B., & Griffiths, R. R. (2021) · ACS Pharmacology & Translational Science

Psychedelics and Drug StudiesPain Management and Placebo Effect

Cited by 541

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

Griffiths, R. R., Johnson, M. W., Richards, W. A., Richards, B. D., Jesse, R., MacLean, K. A., Barrett, F. S., Cosimano, M. P., & Klinedinst, M. A. (2018) · Journal of Psychopharmacology

Psychedelics and Drug StudiesReligion, Spirituality, and Psychology

Cited by 520

Classic psychedelics: An integrative review of epidemiology, therapeutics, mystical experience, and brain network function

Johnson, M. W., Hendricks, P. S., Barrett, F. S., & Griffiths, R. R. (2019) · Pharmacology & Therapeutics

Psychedelics and Drug StudiesParanormal Experiences and Beliefs

Cited by 506

Psilocybin-Occasioned mystical experiences in the treatment of tobacco addiction.

Garcia-Romeu, A., Griffiths, R., & Johnson, M. (2015) · Current Drug Abuse Reviews

Psychedelics and Drug StudiesSmoking Behavior and Cessation

Cited by 476

Efficacy and safety of psilocybin-assisted treatment for major depressive disorder: prospective 12-month follow-up.

Gukasyan, N., Davis, A. K., Barrett, F. S., Cosimano, M. P., Sepeda, N. D., Johnson, M. W., & Griffiths, R. R. (2022) · Journal of Psychopharmacology

Psychedelics and Drug StudiesTreatment of Major Depression

Cited by 425

Factor Analysis of the Mystical Experience Questionnaire: A Study of Experiences Occasioned by the Hallucinogen Psilocybin

MacLean, K. A., Leoutsakos, J. S., Johnson, M. W., & Griffiths, R. R. (2012) · Journal for the Scientific Study of Religion

Psychedelics and Drug StudiesParanormal Experiences and Beliefs

Cited by 405

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. (2020) · Scientific Reports

Psychedelics and Drug StudiesNeurotransmitter Receptor Influence on Behavior

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Psychological flexibility mediates the relations between acute psychedelic effects and subjective decreases in depression and anxiety

Davis, A. K., Barrett, F. S., & Griffiths, R. R. (2020) · Journal of Contextual Behavioral Science

Psychedelics and Drug StudiesMindfulness and Compassion Interventions

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The Challenging Experience Questionnaire: Characterization of challenging experiences with psilocybin mushrooms

Barrett, F. S., Bradstreet, M. P., Leoutsakos, J.-M. S., Johnson, M. W., & Griffiths, R. R. (2016) · Journal of Psychopharmacology

Psychedelics and Drug StudiesParanormal Experiences and Beliefs

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Psilocybin therapy increases cognitive and neural flexibility in patients with major depressive disorder

Doss, M. K., Považan, M., Rosenberg, M. D., Sepeda, N. D., Davis, A. K., Finan, P. H., Smith, G. S., Pekar, J. J., Barker, P. B., Griffiths, R. R., et al. (2021) · Translational Psychiatry

Psychedelics and Drug StudiesTreatment of Major Depression

Cited by 356

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. (2018) · Neuropharmacology

Psychedelics and Drug StudiesForensic Toxicology and Drug Analysis

Cited by 354

Psychedelic therapy for smoking cessation: qualitative analysis of participant accounts

Noorani, T., Garcia-Romeu, A., Swift, T. C., Griffiths, R. R., & Johnson, M. W. (2018) · Journal of Psychopharmacology

Psychedelics and Drug StudiesSmoking Behavior and Cessation

Cited by 285

Caffeine physical dependence: a review of human and laboratory animal studies

Griffiths, R. R., & Woodson, P. P. (1988) · Psychopharmacology

Coffee research and impactsSubstance Abuse Treatment and Outcomes

Cited by 276

Classic Hallucinogens and Mystical Experiences: Phenomenology and Neural Correlates

Barrett, F. S., & Griffiths, R. R. (2017) · Current Topics in Behavioral Neurosciences

Psychedelics and Drug StudiesParanormal Experiences and Beliefs

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