Tidsskrift for Norsk psykologforening
December 1, 2025
Bjørn Holmøy, Kristoffer Andreas Aamodt Andersen
3 citations
Interest and use of psychedelic substances is on the rise in the general population. Research has mainly focused on therapeutic applications in formal treatment settings, and little is known about persistent negative effects in naturalistic use. The aim of this paper is to present a clinically relevant overview of the phenomenology and symptoms of enduring mental health problems after...
Tidsskrift for Norsk psykologforening
December 1, 2025
Bjørn Holmøy, Kristoffer Andreas Aamodt Andersen
1 citation
Interessen for og bruken av psykedeliske stoffer vokser i befolkningen. Forskning har primært fokusert på terapeutiske anvendelser i formelle behandlingssettinger, og det er lite kunnskap om vedvarende negative effekter ved naturalistisk bruk. Målet med artikkelen er å gi en klinisk relevant oversikt over fenomenologi og symptombilde på langvarige psykiske plager etter bruk av psykedelika. Tre...
Journal of Psychiatric Research
May 26, 2025
Bjørn Holmøy, Tor-Morten Kvam, Kristoffer Andreas Aamodt Andersen et al.
3 citations
Psychedelic drugs, known for their potent psychoactive effects, have gained attention for their potential therapeutic benefits in treating mental disorders. However, distressing experiences induced by psychedelics can lead to adverse long-term effects. To better assess these experiences, we aimed to provide a Norwegian translation and psychometric validation of the Challenging Experience...
Journal of Psychedelic Studies
July 12, 2024
Kristoffer Andreas Aamodt Andersen, Bjørn Holmøy, Lowan H. Stewart
1 citation
Abstract Background Previous international clinical trials have indicated that mystical experiences resulting from the consumption of classic psychedelic drugs, such as psilocybin, may represent a subjective psychological mechanism of action associated with therapeutic effects for various mental disorders. The revised 30-item Mystical Experience Questionnaire is one of several psychometric...
Acta Psychiatrica Scandinavica
October 30, 2020
Kristoffer Andreas Aamodt Andersen, Robin Carhart-Harris, David Nutt et al.
352 citations
Abstract Objective To conduct a systematic review of modern‐era (post‐millennium) clinical studies assessing the therapeutic effects of serotonergic psychedelics drugs for mental health conditions. Although the main focus was on efficacy and safety, study characteristics, duration of antidepressants effects across studies, and the role of the subjective drug experiences were also reviewed and...