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Psilocybin and psilocin research index

Find psilocybin and psilocin papers, preprints, trials, and citations with clear source context.

Searches titles, authors, journals, identifiers, indexed metadata, and derived research topics. Use Filters to narrow by source, status, substance, study type, or date.

Database 4,941 indexed records Auto-updated on Aug 10, 2026 01:26 UTC

Executed search Author: Roland R. Griffiths 84 matching records are displayed.

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Database

4,722 Psilocybin Records 671 Psilocin Records 1,458 Journals 66 Research Topics

Published 4,208 Peer-reviewed / formal records Preprints 431 Marked as not peer reviewed Clinical trials 299 ClinicalTrials.gov records R toolkit visNetwork Bibliometrics, live SQLite analysis, HTML graph, and PDF export

Top journals 1,458 indexed journals

Journal	Records
Journal of psychopharmacology (Oxford, England)	147
Journal of psychoactive drugs	97
Frontiers in psychiatry	90
Psychopharmacology	85
Neuroscience Applied	57
Journal of Psychedelic Studies	47
Psychedelic medicine (New Rochelle, N.Y.)	39
Scientific reports	37
bioRxiv : the preprint server for biology	33
Biological Psychiatry	32

Research topics 66 topic filters

Depression 1,732 Receptor Pharmacology 1,279 Safety 1,195 Review Article 1,065 Mechanism of Action 1,062 Clinical Trial 973 Anxiety 878 Addiction 820 Pharmacology 748 General 537 Aging 522 Animal Study 521 Observational Study 512 Brain Imaging 477 Treatment-Resistant Depression 415 Emotional Processing 407 PTSD 399 Neuroplasticity 395

Source coverage 8 active sources

Source	Count	Share	Status
PubMed	2,567	52%	Active
OpenAlex	1,150	23.3%	Active
Crossref	402	8.1%	Active
ClinicalTrials.gov	299	6.1%	Active
PsyArXiv	188	3.8%	Active
Europe PMC	180	3.6%	Active
bioRxiv	118	2.4%	Active

Publication timeline 3,838 dated records

3,838 records since 2020

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Substances Psilocybin 4722 Psilocin 671

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Executed search Author: Roland R. Griffiths 84 matching records are displayed.

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84 matching records for Author: Roland R. Griffiths.

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Subjective features of the psilocybin experience that may account for its self-administration by humans: a double-blind comparison of psilocybin and dextromethorphan.

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1007/s00213-020-05533-9 PubMed 32500212

Psychopharmacology 2020-08-01 Carbonaro TM, Johnson MW, Griffiths RR

PubMed Published psilocybin Mystical Experience Healthy Volunteers Abuse Liability Other More

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

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1038/s41598-020-59282-y PubMed 32042038

Scientific reports 2020-02-10 Barrett FS, Doss MK, Sepeda ND, Pekar JJ, Griffiths RR

PubMed Published psilocybin Anxiety Addiction Neuroplasticity Other More

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Cessation and reduction in alcohol consumption and misuse after psychedelic use.

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1177/0269881119845793 PubMed 31084460

Journal of psychopharmacology (Oxford, England) 2019-09-01 Garcia-Romeu A, Davis AK, Erowid F, Erowid E, Griffiths RR, Johnson MW

PubMed Published psilocybin Addiction Mystical Experience Meta-Analysis Meta-Analysis More

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

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1016/j.pharmthera.2018.11.010 PubMed 30521880

Pharmacology & therapeutics 2019-05-01 Johnson MW, Hendricks PS, Barrett FS, Griffiths RR

PubMed Published psilocybin Depression Addiction End-of-Life Distress Review Article More

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Survey of subjective "God encounter experiences": Comparisons among naturally occurring experiences and those occasioned by the classic psychedelics psilocybin, LSD, ayahuasca, or DMT.

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1371/journal.pone.0214377 PubMed 31013281

PloS one 2019-01-01 Griffiths RR, Hurwitz ES, Davis AK, Johnson MW, Jesse R

PubMed Published psilocybin Spirituality Mystical Experience Observational Study Observational Study More

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

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.3389/fpsyt.2019.00955 PubMed 32038317

Frontiers in psychiatry 2019-01-01 Garcia-Romeu A, Davis AK, Erowid E, Erowid F, Griffiths RR, Johnson MW

PubMed Published psilocybin Addiction Receptor Pharmacology Mystical Experience Observational Study More

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

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1016/j.neuropharm.2018.05.012 PubMed 29753748

Neuropharmacology 2018-11-01 Johnson MW, Griffiths RR, Hendricks PS, Henningfield JE

PubMed Published psilocybin Depression Anxiety Addiction Review Article More

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

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1007/s00213-018-4981-x PubMed 30062577

Psychopharmacology 2018-10-01 Barrett FS, Carbonaro TM, Hurwitz E, Johnson MW, Griffiths RR

PubMed Published psilocybin Pharmacology Receptor Pharmacology Other More

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Psychedelic therapy for smoking cessation: Qualitative analysis of participant accounts.

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1177/0269881118780612 PubMed 29938565

Journal of psychopharmacology (Oxford, England) 2018-07-01 Noorani T, Garcia-Romeu A, Swift TC, Griffiths RR, Johnson MW

PubMed Published psilocybin Addiction Mechanism of Action Qualitative Study More

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T263. Psilocybin Improves Cognitive Control and Downregulates Parietal Cortex in Treatment-Seeking Smokers

No abstract availability was recorded for this entry.

Details DOI 10.1016/j.biopsych.2018.02.600

Biological Psychiatry 2018-04-08 Michael C. McKenna, John R. Fedota, Albert Garcia-Romeu, Matthew R. Johnson, Roland R. Griffiths, Elliot A. Stein

OpenAlex Published psilocybin Addiction Receptor Pharmacology Other More

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Double-blind comparison of the two hallucinogens psilocybin and dextromethorphan: similarities and differences in subjective experiences.

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1007/s00213-017-4769-4 PubMed 29116367

Psychopharmacology 2018-02-01 Carbonaro TM, Johnson MW, Hurwitz E, Griffiths RR

PubMed Published psilocybin Mechanism of Action Receptor Pharmacology Mystical Experience Other More

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Classic Hallucinogens and Mystical Experiences: Phenomenology and Neural Correlates.

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1007/7854_2017_474 PubMed 28401522

Current topics in behavioral neurosciences 2018-01-01 Barrett FS, Griffiths RR

PubMed Published psilocybin Depression Anxiety End-of-Life Distress Review Article More

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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.

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Details DOI 10.1177/0269881117731279 PubMed 29020861

Journal of psychopharmacology (Oxford, England) 2018-01-01 Griffiths RR, Johnson MW, Richards WA, Richards BD, Jesse R, MacLean KA

PubMed Published psilocybin Wellbeing Spirituality Mystical Experience Clinical Trial More

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Intensity of Mystical Experiences Occasioned by 5-MeO-DMT and Comparison With a Prior Psilocybin Study.

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.3389/fpsyg.2018.02459 PubMed 30574112

Frontiers in psychology 2018-01-01 Barsuglia J, Davis AK, Palmer R, Lancelotta R, Windham-Herman AM, Peterson K

PubMed Published psilocybin Spirituality Mystical Experience Other More

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Neuroticism is associated with challenging experiences with psilocybin mushrooms.

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1016/j.paid.2017.06.004 PubMed 28781400

Personality and individual differences 2017-10-15 Barrett FS, Johnson MW, Griffiths RR

PubMed Published psilocybin Personality Change Emotional Processing Observational Study Observational Study More

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

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1177/0269881116684335 PubMed 28095732

Journal of psychopharmacology (Oxford, England) 2017-07-01 Johnson MW, Garcia-Romeu A, Johnson PS, Griffiths RR

PubMed Published psilocybin Depression Addiction Mechanism of Action Observational Study More

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Potential Therapeutic Effects of Psilocybin.

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.1007/s13311-017-0542-y PubMed 28585222

Neurotherapeutics: the journal of the American Society for Experimental NeuroTherapeutics 2017-07-01 Johnson MW, Griffiths RR

PubMed Published psilocybin Depression Anxiety Addiction Review Article More

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Comparison of anomalous experiences after ingesting psilocybin mushrooms in research and non-research settings

No abstract availability was recorded for this entry.

Details DOI 10.1016/j.drugalcdep.2016.08.107

Drug and Alcohol Dependence 2017-01-21 Theresa M. Carbonaro, Matthew W. Johnson, Roland R. Griffiths

OpenAlex Published psilocybin General Other More

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Psilocybin in long-term meditators: Effects on default mode network functional connectivity and retrospective ratings of qualitative experience

No abstract availability was recorded for this entry.

Details DOI 10.1016/j.drugalcdep.2016.08.058

Drug and Alcohol Dependence 2017-01-21 Frederick S. Barrett, Matthew W. Johnson, Roland R. Griffiths

OpenAlex Published psilocybin Addiction Default Mode Network Randomized Controlled Trial Randomized Controlled Trial More

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

Abstract available at the source but not redistributed here. Read at source.

Details DOI 10.3109/00952990.2016.1170135 PubMed 27441452

The American journal of drug and alcohol abuse 2017-01-01 Johnson MW, Garcia-Romeu A, Griffiths RR

PubMed Published psilocybin Addiction Receptor Pharmacology Spirituality Other More