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D-Index & Metrics

Psychology

D-Index
105
Citations
45594
World Ranking
486
National Ranking
311

Medicine

D-Index
107
Citations
46352
World Ranking
6202
National Ranking
3306

Research.com Recognitions

  • 1980 - Fellow of the American Psychological Association (APA)

Overview

Roland R. Griffiths was affiliated with Johns Hopkins University School of Medicine in the United States. Their research primarily focused on the intersection of psychology, neuroscience, and chemistry, with an emphasis on clinical psychology within these broader fields.

Their main fields of study included:

  • Psychology
  • Neuroscience
  • Chemistry

Within these fields, their subfields of study were:

  • Clinical Psychology
  • Organic Chemistry
  • Cellular and Molecular Neuroscience
  • Nutrition and Dietetics
  • Pharmacology

Griffiths' research topics covered areas such as:

  • Psychedelics and Drug Studies
  • Chemical synthesis and alkaloids
  • Neurotransmitter Receptor Influence on Behavior
  • Biochemical Analysis and Sensing Techniques
  • Complementary and Alternative Medicine Studies
  • Nicotinic Acetylcholine Receptors Study
  • Olfactory and Sensory Function Studies

The scientist frequently published in several venues, including:

  • JAMA Psychiatry
  • Journal of Psychopharmacology
  • Drug and Alcohol Dependence
  • Journal of Psychoactive Drugs
  • Psychedelic Medicine

Some of the recent papers authored or co-authored by Griffiths covered significant topics related to psilocybin-assisted therapy and its psychological effects. Notable publications include:

  • Effects of Psilocybin-Assisted Therapy on Major Depressive Disorder, 2020, JAMA Psychiatry
  • The Subjective Effects of Psychedelics Are Necessary for Their Enduring Therapeutic Effects, 2020, ACS Pharmacology & Translational Science
  • Single-Dose Psilocybin Treatment for Major Depressive Disorder, 2023, JAMA
  • Efficacy and safety of psilocybin-assisted treatment for major depressive disorder: Prospective 12-month follow-up, 2022, Journal of Psychopharmacology
  • Emotions and brain function are altered up to one month after a single high dose of psilocybin, 2020, Scientific Reports

Throughout their career, Griffiths frequently collaborated with other researchers. Their co-authors included:

  • Alan K. Davis
  • Frederick S. Barrett (21 papers)
  • Sandeep M. Nayak (18 papers)
  • Natalie Gukasyan (15 papers)
  • Nathan D. Sepeda (14 papers)

In 1980, Roland R. Griffiths was recognized as a Fellow of the American Psychological Association (APA).

Best Publications

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

    Roland R Griffiths;Matthew W Johnson;Michael A Carducci;Annie Umbricht

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

    R. R. Griffiths;W. A. Richards;U. McCann;R. Jesse

  • Caffeinated energy drinks--a growing problem.

    Chad J. Reissig;Eric C. Strain;Roland R. Griffiths

  • Human hallucinogen research: guidelines for safety.

    Matthew W. Johnson;William A. Richards;Roland R. Griffiths

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

    Alan K. Davis;Alan K. Davis;Frederick S. Barrett;Darrick G. May;Mary P. Cosimano

  • Mystical-type experiences occasioned by psilocybin mediate the attribution of personal meaning and spiritual significance 14 months later

    Roland R. Griffiths;William A. Richards;Matthew W. Johnson;Una D. McCann

  • Pilot Study of the 5-HT2AR Agonist Psilocybin in the Treatment of Tobacco Addiction

    Matthew W Johnson;Albert Garcia-Romeu;Mary P Cosimano;Roland R Griffiths

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

    Roland R. Griffiths;Matthew W. Johnson;William A. Richards;Brian D. Richards

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

    Katherine A MacLean;Matthew W Johnson;Roland R Griffiths

  • A critical review of caffeine withdrawal: empirical validation of symptoms and signs, incidence, severity, and associated features.

    Laura M. Juliano;Roland R. Griffiths

  • Long-term Follow-Up of Psilocybin-Facilitated Smoking Cessation

    Matthew W. Johnson;Albert Garcia-Romeu;Roland R. Griffiths

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

    Frederick S Barrett;Matthew W Johnson;Roland R Griffiths

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

    Theresa M Carbonaro;Matthew P Bradstreet;Frederick S Barrett;Katherine A MacLean

  • Withdrawal syndrome after the double-blind cessation of caffeine consumption.

    Kenneth Silverman;Suzette M. Evans;Suzette M. Evans;Eric C. Strain;Roland R. Griffiths

  • Psilocybin-Occasioned Mystical Experiences in the Treatment of Tobacco Addiction

    Albert Garcia-Romeu;Roland R. Griffiths;Matthew W. Johnson

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

    Matthew W. Johnson;Peter S. Hendricks;Frederick S. Barrett;Roland R. Griffiths

  • 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

    Roland R Griffiths;Matthew W Johnson;William A Richards;Brian D Richards

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

    Unknown

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

    David B. Yaden;Roland R. Griffiths

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

    Unknown

  • An automated version of the digit symbol substitution test (DSST)

    Daniel R. McLeod;Roland R. Griffiths;George E. Bigelow;John Yingling

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

    Roland R. Griffiths;Phillip P. Woodson

  • Validation of the revised mystical experiences questionnaire in experimental sessions with psilocybin

    Frederick S. Barrett;Matthew W. Johnson;Roland R. Griffiths

Frequent Co-Authors

Matthew W. Johnson
Matthew W. Johnson Johns Hopkins University School of Medicine
George E. Bigelow
George E. Bigelow Johns Hopkins University School of Medicine
Kenneth Silverman
Kenneth Silverman Johns Hopkins University School of Medicine
Jack E. Henningfield
Jack E. Henningfield Johns Hopkins University School of Medicine
Maxine L. Stitzer
Maxine L. Stitzer Johns Hopkins University School of Medicine
Joseph V. Brady
Joseph V. Brady Johns Hopkins University School of Medicine
Scott E. Lukas
Scott E. Lukas Harvard Medical School
Craig R. Rush
Craig R. Rush University of Kentucky
Kenzie L. Preston
Kenzie L. Preston National Institute on Drug Abuse
Wolfgang Froestl
Wolfgang Froestl AC Immune (Switzerland)

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