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  • Katherine A. MacLean, Jeannie-Marie S Leoutsakos, Matthew W. Johnson, Roland R Griffiths
  • Sociology, Medicine
  • Journal for the scientific study of religion
  • 2012 (First Publication: 1 December 2012)
  • A large body of historical evidence describes the use of hallucinogenic compounds, such as psilocybin mushrooms, for religious purposes. But few scientific studies have attempted to measure orExpand
  • Matthew W. Johnson, Katherine A. MacLean, Chad J. Reissig, Thomas E. Prisinzano, Roland R Griffiths
  • Medicine, Chemistry
  • Drug and alcohol dependence
  • 2011 (First Publication: 1 May 2011)
  • Salvinorin A is a potent, selective nonnitrogenous kappa opioid agonist and the known psychoactive constituent of Salvia divinorum, a member of the mint family that has been used for centuries byExpand
  • Katherine A. MacLean, Matthew W. Johnson, Chad J. Reissig, Thomas E. Prisinzano, Roland R Griffiths
  • Medicine, Psychology
  • Psychopharmacology
  • 2012 (First Publication: 1 March 2013)
  • RationaleSalvinorin A is a kappa opioid agonist and the principal psychoactive constituent of the plant Salvia divinorum, which has increased in popularity as a recreational drug over the pastExpand
  • Theresa M. Carbonaro, Matthew P. Bradstreet, +4 authors Roland R Griffiths
  • Psychology, Medicine
  • Journal of psychopharmacology
  • 2016 (First Publication: 30 August 2016)
  • Acute and enduring adverse effects of psilocybin have been reported anecdotally, but have not been well characterized. For this study, 1993 individuals (mean age 30 yrs; 78% male) completed an onlineExpand
  • Baljinder K Sahdra, Katherine A. MacLean, +11 authors Clifford D. Saron
  • Medicine, Psychology
  • Emotion
  • 2011 (First Publication: 1 April 2011)
  • We examined the impact of training-induced improvements in self-regulation, operationalized in terms of response inhibition, on longitudinal changes in self-reported adaptive socioemotionalExpand
  • Yale E. Cohen, Brian E. Russ, Gordon W. Gifford, Ruwan Kiringoda, Katherine A. MacLean
  • Medicine, Biology
  • The Journal of Neuroscience
  • 2004 (First Publication: 15 December 2004)
  • Spatial and nonspatial auditory processing is hypothesized to occur in parallel dorsal and ventral pathways, respectively. In this study, we tested the spatial and nonspatial sensitivity of auditoryExpand
  • Roland R Griffiths, Matthew W. Johnson, +6 authors Maggie A Klinedinst
  • Psychology, Medicine
  • Journal of psychopharmacology
  • 2018 (First Publication: 11 October 2017)
  • Psilocybin can occasion mystical-type experiences with participant-attributed increases in well-being. However, little research has examined enduring changes in traits. This study administeredExpand