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Assessing the psyhophysiological effects of Happy Tea at a Microdose Together company social event

Michiel van Elk

Open Science Framework November 6, 2025 preprint DOI: 10.17605/osf.io/fmv2c (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Naturalistic observation
Intervention Psilocybin truffles
Topics Psilocybin
Keywords Microdose Field mathematics Event particle physics Naturalistic observation Replicate Interpretation philosophy Applied psychology Cognitive psychology Developmental psychology
Key points Psilocybin dose, trait absorption, and expectations influenced subjective experiences and neurophysiological outcomes in a naturalistic field setting, replicating lab-based effects.

Abstract

We investigate how the dose of psilocybin truffles and participant characteristics (trait absorption and expectations) influence subjective experiences and neurophysiological outcomes in a naturalistic field setting.The aim is to replicate observed effects of psilocybin from lab-based and clinical studies in a field / naturalistic setting.

Comparable studies

Other observational and cohort studies on psilocybin, most cited first.

Study Year Design Participants
Psilocybin for treatment-resistant depression: fMRI-measured brain mechanisms. Patients with treatment-resistant depression 2017 Observational cohort n = 19
Psychedelic effects of psilocybin correlate with serotonin 2A receptor occupancy and plasma psilocin levels Healthy volunteers 2019 Observational cohort n = 8
Increased spontaneous MEG signal diversity for psychoactive doses of ketamine, LSD and psilocybin Humans 2017 Observational study
Classic psychedelic use is associated with reduced psychological distress and suicidality in the United States adult population. USA adult respondents from the National Survey on Drug Use and Health (2008-2012) 2015 Observational cohort n = 190,000
Prediction of Psilocybin Response in Healthy Volunteers Healthy volunteers 2012 Observational cohort n = 409

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