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The revival of the psychedelic experience scale: Revealing its extended-mystical, visual, and distressing experiential spectrum with LSD and psilocybin studies
Expanding the psychedelic experience scale to include mystical feelings, visuals, and distress in LSD and psilocybin studies
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Abstract
Data from 239 measurements reveals a new validated structure for assessing psychedelic experiences.
- Four original factors of the Mystical Experience Questionnaire (MEQ30) were confirmed as reliable.
- New subscales for non-MEQ items were identified: , , visual experience, and distressing experience.
- Paradoxicality and connectedness showed strong correlations with the MEQ30 mystical subscale.
- The addition of the new subscales increased the explained variance with the 5-Dimensional Altered States of Consciousness Scale (5D-ASC).
- A cluster analysis supported the main findings and provided insights for future psychedelic psychometrics.
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Key numbers
100
Total Items
Total number of items in the revised .
140
Participants
Number of healthy participants included in the analysis.
4
New Subscales
Number of new subscales added to the beyond the traditional mystical experience.