Journal of psychopharmacology (Oxford, England)
May 1, 2026
Guy Simon, Maya Gal-Birman, Nir Tadmor et al.
The October 7th, 2023, attack at the Nova rave represents an unprecedented scenario in trauma research: A mass casualty event in which most participants were under the influence of psychedelics. Using a mixed-methods phenomenological design, 45 survivors were interviewed. Participants were categorized by substance use: classic psychedelics (n = 24), empathogens (n = 19), and ketamine (n = 2)....
Research Square
February 2, 2026
Ziv Ben-Zion, Guy Simon, Teddy Lazebnik
Abstract Large language models (LLMs) are increasingly consulted by individuals for support during psychedelic experiences ("trip sitting"), yet no framework exists to evaluate whether these models can accurately simulate or safely respond to altered states of consciousness. We aimed to determine if LLMs can be induced to generate narratives resembling human psychedelic experiences and to...
The International journal on drug policy
2026
Guy Simon, Nir Tadmor, Demian Halperin
2 citations
Psychedelics induce transformative experiences leading to lasting changes in attitudes and behaviour, with outcomes depending on both pharmacological factors and the context of the experience ('set and setting'), marking a paradigm shift in mental health treatment. As psychedelics transition from traditional contexts to clinical settings, tension emerges between authenticity and...
Scientific Reports
November 27, 2025
Guy Simon, Nir Tadmor, Michael Skragge et al.
6 citations
This mixed-methods study examines how participant-identified childhood or youth trauma resurfaces during psychedelic states and how such episodes relate to post-experience trajectories. Including events participants identified as traumatic during psychedelic experiences, and subsequent psychological outcomes, both positive and negative. While psychedelics can facilitate emotional processing of...
Eur J Psychotraumatol
November 12, 2025
Guy Simon, Maya Gal-Birman, Nir Tadmor et al.
5 citations
Psychedelics and collective trauma: multisystemic resilience and recovery pathways among Nova festival survivors - a qualitative study.
Research Square
August 21, 2025
Guy Simon, Nir Tadmor, Michael Skragge et al.
2 citations
Abstract This mixed-methods study investigated the relationship between recalled childhood trauma during psychedelic experiences and subsequent extended psychological difficulties. While psychedelics can facilitate emotional processing of autobiographical material, a minority experience adverse effects or re-traumatization when trauma resurfaces. Phase 1 surveyed 608 individuals who experienced...
Journal of Psychedelic Studies
January 15, 2025
Nir Tadmor, Demian Halperin, Guy Simon
6 citations
While psychedelic substances are extensively studied through the lens of various academic disciplines, their impact on the therapeutic practice of mental health professionals is yet to be explored. This firsthand experience is deemed crucial for effectively assisting patients in the process of integrating a psychedelic experience.The aim of this study was to explore the psychological and...
Guy Simon, Nir Tadmor, Jules Evans et al.
preprint
Abstract Background Psychedelic substances are increasingly used outside clinical trials, yet individuals seeking support after challenging experiences often report that available services are inadequate or misaligned with their needs. While prior research documents both beneficial and adverse outcomes of naturalistic use, less is known about how such experiences are received and interpreted...