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Sylvia Thyssen

4 papers in the library · 18 citations · publishing 2022-2025

Papers

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A qualitative analysis of the psychedelic mushroom come-up and come-down.

npj Mental Health Research February 7, 2025 Ari Brouwer, Joshua K Brown, Earth Erowid et al. 5 citations

Psychedelic therapy has the potential to become a revolutionary and transdiagnostic mental health treatment, yielding enduring benefits that are often attributed to the experiences that coincide with peak psychedelic effects. However, there may be an underrecognized temporal structure to this process that helps explain why psychedelic and related altered states of consciousness can have an...

Misrepresentation of MDMA in the United States, 1999-2023.

Drug and Alcohol Dependence November 1, 2024 Eric L Sevigny, Sylvia Thyssen, Earth Erowid et al. 5 citations

The misrepresentation of illicit drugs in unregulated markets increases the risk of adverse health events. This study analyzed drug checking data to compare represented, expected, and actual content of alleged MDMA samples, estimate trends in the quality of the MDMA supply, document the presence of adulterants, compare patterns of adulteration, and validate drug checking against law enforcement...

The Temporal Trajectory of the Psychedelic Mushroom Experience Mimics the Narrative Arc of the Hero’s Journey

Research Square (Research Square) February 23, 2024 Ari Brouwer, Joshua K. Brown, Earth Erowid et al. 5 citations

Abstract Psychedelic therapy has the potential to become a revolutionary and transdiagnostic mental health treatment, yielding enduring benefits that are often attributed to the experiences that coincide with peak psychedelic effects. However, there may be an underrecognized temporal structure to this process that helps explain why psychedelic and related altered states of consciousness can...

Glowing Experience or Bad Trip? A Quantitative Analysis of User Reported Drug Experiences on Erowid.org

International Conference on Web and Social Media January 31, 2022 Angelina Mooseder, M. Malik, Hemank Lamba et al. 3 citations

Erowid.org is a website dedicated to documenting information about psychoactive substances, with over 36,000 user-submitted drug Experience Reports. We study the potential of these reports to provide information about characteristic experiences with drugs. First, we assess different kinds of drug experiences, such as 'addiction' or 'bad trips'. We quantitatively analyze how such experiences are...