Background: Meditation is a self-regulatory psychological strategy that is frequently applied in Western as well as non-Western countries for different purposes; little is known about adverse events. Sampling and Methods: A male patient is described who developed an acute and transient psychosis with polymorphic symptomatology after meditating. A literature search for psychotic states related to meditation was carried out on PubMed, Embase and PsycInfo. Results: In the case presented a diagnosis of acute polymorphic psychotic disorder was made. Other case reports dealt with either a relapse of a pre-existent psychotic disorder or with a brief psychotic reaction in patients without a psychiatric history. Conclusion: Meditation can act as a stressor in vulnerable patients who may develop a transient psychosis with polymorphic symptomatology. The syndrome is not culture bound but sometimes classified in culture-bound taxonomies like Qi-gong Psychotic Reaction. Copyright

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Erasmus MC: University Medical Center Rotterdam

Kuijpers, H., van der Heijden, F., Tuinier, S., & Verhoeven, W. (2007). Meditation-induced psychosis. Psychopathology, 40(6), 461–464. doi:10.1159/000108125