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Psychedelic Experience Survey

Data collection in this survey was completed in March 2021.

We will start a new survey soon.

The purpose of the anonymous online survey completed in March 2021 was to improve our understanding of the acute and longer-term effects of psychedelics. These effects can be positive in some cases, but rather negative in others, depending on a multitude of factors. With their participation, nearly 2,000 people helped us to better understand the diversity of psychedelic experiences and their effects on the human mind. We sincerely thank all participants.

As soon as the results of the survey are published, we will inform about it here.

Max Wolff

Dr. Max Wolff
MIND Foundation & Technische Universität Dresden, Germany


Dr. Ricarda Evens
Charité Universitätsmedizin, Berlin


Lea Mertens, M.Sc.
Zentralinstitut für Seelische Gesundheit, Mannheim, Germany


Marie Walter, B.Sc.
Johannes-Gutenberg Universität Mainz, Germany