Griffiths RR

Department of Psychiatry and Behavioral Sciences, Center for Psychedelic and Consciousness Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.

Griffiths RR

Effects of Psilocybin on Religious and Spiritual Attitudes and Behaviors in Clergy from Various Major World Religions.

Sex Differences in Religious Beliefs Before and After an Entity Encounter During an Ayahuasca Experience.

Psilocybin-assisted psychotherapy improves psychiatric symptoms across multiple dimensions in patients with cancer.

Impact of Psilocybin on Peripheral Cytokine Production.

Psychedelic Experiences Increase Mind Perception but do not Change Atheist-Believer Status: A Prospective Longitudinal Study.

The therapeutic alliance between study participants and intervention facilitators is associated with acute effects and clinical outcomes in a psilocybin-assisted therapy trial for major depressive disorder.

Double-Blind Comparison of the Two Hallucinogens Dextromethorphan and Psilocybin: Experience-Dependent and Enduring Psychological Effects in Healthy Volunteers.

Naturalistic psilocybin use is associated with persisting improvements in mental health and wellbeing: results from a prospective, longitudinal survey.

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

Assessing the risk of symptom worsening in psilocybin-assisted therapy for depression: A systematic review and individual participant data meta-analysis.

Translation and Initial Psychometric Evaluation of Spanish Versions of Three Psychedelic Acute Effects Measures: Mystical, Challenging, and Insight Experiences.

Naturalistic Psilocybin Use Increases Mind Perception but not Atheist-Believer status: A Prospective Longitudinal Study

Naturalistic Psilocybin Use Increases Mind Perception but not Atheist-Believer status: A Prospective Longitudinal Study

Attenuation of psilocybin mushroom effects during and after SSRI/SNRI antidepressant use.

Corrigendum to 'Psilocybin induces spatially constrained alterations in thalamic functional organizaton and connectivity': Neuroimage 2022 Oct 15;260:119434.

Clinical Trial Design Challenges and Opportunities for Emerging Treatments for Opioid Use Disorder: A Review.

Subtypes of the psychedelic experience have reproducible and predictable effects on depression and anxiety symptoms.

Psychedelic-Assisted Therapy for People with Eating Disorders.

Ethical Issues Regarding Nonsubjective Psychedelics as Standard of Care.

Comparison of psychedelic and near-death or other non-ordinary experiences in changing attitudes about death and dying.

Psychedelic drug abuse potential assessment research for new drug applications and Controlled Substances Act scheduling.

Psilocybin induces spatially constrained alterations in thalamic functional organizaton and connectivity.

Unique Effects of Sedatives, Dissociatives, Psychedelics, Stimulants, and Cannabinoids on Episodic Memory: A Review and Reanalysis of Acute Drug Effects on Recollection, Familiarity, and Metamemory

Models of psychedelic drug action: modulation of cortical-subcortical circuits.

A Single Belief-Changing Psychedelic Experience Is Associated With Increased Attribution of Consciousness to Living and Non-living Entities.

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

Human Cortical Serotonin 2A Receptor Occupancy by Psilocybin Measured Using [<sup>11</sup>C]MDL 100,907 Dynamic PET and a Resting-State fMRI-Based Brain Parcellation.

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

Classic Psychedelic Coadministration with Lithium, but Not Lamotrigine, is Associated with Seizures: An Analysis of Online Psychedelic Experience Reports.

Psychedelics and Consciousness: Distinctions, Demarcations, and Opportunities.

Psychedelics in Psychiatry-Keeping the Renaissance From Going Off the Rails.

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

Classic psychedelic coadministration with lithium, but not lamotrigine, is associated with seizures: an analysis of online psychedelic experience reports

Optimal dosing for psilocybin pharmacotherapy: Considering weight-adjusted and fixed dosing approaches.

Trends in the Top-Cited Articles on Classic Psychedelics.

Development of the Psychological Insight Questionnaire among a sample of people who have consumed psilocybin or LSD.

The Subjective Effects of Psychedelics Are Necessary for Their Enduring Therapeutic Effects.

The Acute Effects of the Atypical Dissociative Hallucinogen Salvinorin A on Functional Connectivity in the Human Brain.

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

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

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

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

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

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

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

5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT) used in a naturalistic group setting is associated with unintended improvements in depression and anxiety.

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

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

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

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

Classic Hallucinogens and Mystical Experiences: Phenomenology and Neural Correlates.

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

Potential Therapeutic Effects of Psilocybin.

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

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

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

Psilocybin, psychological distress, and suicidality.

Salvinorin-A Induces Intense Dissociative Effects, Blocking External Sensory Perception and Modulating Interoception and Sense of Body Ownership in Humans.

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

High doses of dextromethorphan, an NMDA antagonist, produce effects similar to classic hallucinogens.

Psilocybin dose-dependently causes delayed, transient headaches in healthy volunteers.