Effects of Psilocybin on Behavior, Psychology and Brain Function in Long-term Meditators

This is a double-blind placebo-controlled study investigating the acute and persisting effects of psilocybin on meditation, spirituality, health, well-being, prosocial attitudes, and brain functioning.

Topic Healthy Subjects Personality
Compound Placebo Psilocybin
Country United States of America
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Trial Details



Trial Number

Sponsors & Collaborators

Johns Hopkins University
Johns Hopkins University (Medicine) is host to the Center for Psychedelic and Consciousness Research, which is one of the leading research institutes into psychedelics. The center is led by Roland Griffiths and Matthew Johnson.

Measures Used

States of Consciousness Questionnaire
The States of Consciousness Questionnaire (SOCQ) was developed to assess the occurrence features of the change in consciousness induced by psilocybin and includes the Mystical Experience Questionnaire (MEQ). The SOCQ consists of 100 items, 43 of which are from the MEQ.

Data attribution

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