Psychology Archives
September 30, 2026
Hüseyin Beyköylü, Merijn Mestdagh, Fred Hasselman et al.
Derived results from an observational study of fourteen adults attending legal psilocybin truffle retreats in the Netherlands. Includes the per-participant time series of the collective variable, dynamic complexity and detected levels; the per-participant summary table; item diagnostics and collective variable validation; the timing of destabilization; two sensitivity analyses; the full...
Psychoactives
September 27, 2024
Rúna F. E. Walther, Hein T. van Schie
14 citations
This narrative review explores the utilization of psychedelic states in therapeutic contexts, deliberately shifting the focus from psychedelic substances back to the experiential phenomena which they induce, in alignment with the original meaning of the term “mind-manifesting”. This review provides an overview of various psychedelic substances used in modern therapeutic settings and ritualistic...
Preprints.org
July 30, 2024
Rúna F. E. Walther, Hein T. van Schie
preprint
This narrative review explores the utilization of psychedelic states in therapeutic contexts, deliberately shifting the focus from psychedelic substances back to the experiential phenomena they induce, in alignment with the original meaning of the term "mind-manifesting." The review provides an overview of various psychedelic substances used in modern therapeutic settings and ritualistic...
International Journal for the Psychology of Religion
December 5, 2022
Arne Bohn, Michiel H. H. Kiggen, Malin V. Uthaug et al.
10 citations
San Pedro, a mescaline containing cactus, has been used for thousands of years and is currently popular as a psychedelic substance in ceremonial retreats in Europe. The current research investigates the consciousness altering effects of San Pedro. Forty-two participants who joined ceremonial psychedelic retreats in the Netherlands were investigated with questionnaires probing 11 dimensions of...
Human Brain Mapping
May 7, 2019
Michiel van Elk, M. Andrea Arciniegas Gomez, Wietske van der Zwaag et al.
122 citations
Abstract In the present fMRI study, we aimed to obtain insight into the key brain networks involved in the experience of awe—a complex emotion that is typically elicited by perceptually vast stimuli. Participants were presented with awe‐eliciting, positive and neutral videos, while they were instructed to get fully absorbed in the scenery or to count the number of perspective changes. By using...
Mindfulness
June 18, 2011
Paul A. M. van den Hurk, Tom Wingens, Fabio Giommi et al.
Mindfulness meditation (MM) has often been suggested to induce fundamental changes in the way events in life are experienced and dealt with, presumably leading to alterations in personality. However, the relationship between the practice of MM and personality has not been systematically studied. The aim of this study was to explore this relationship and to investigate the mediating role of...
Hüseyin Beyköylü, Josi Marschall, Elio Sjak-Shie et al.
preprint
Virtual reality psychedelic experiences (VRPEs) may offer accessible alternatives to substance-induced psychedelic experiences, but their phenomenology and how set and setting factors shape the experience remain underexplored. We conducted a study in a naturalistic festival setting where participants (N = 210) engaged with a 7-minute VRPE while continuous intensity ratings and physiological...