RT Article T1 The role of alcohol in expectancy-driven mystical experiences: a pre-registered field study using placebo brain stimulation JF Religion, brain & behavior VO 9 IS 2 SP 108 OP 125 A1 Maij, David L. R. A1 Schjødt, Uffe A1 Elk, Michiel van LA English PB Routledge YR 2019 UL https://www.ixtheo.de/Record/174110372X AB We explored the effects of alcohol on expectancy-driven mystical and quasi-mystical experiences by manipulating participants’ expectations. By using the so-called God Helmet suggestion, participants were led to believe that a placebo brain stimulation could elicit mystical experiences. In this pre-registered field study, we set out to test whether alcohol could increase participants’ susceptibility to the God Helmet suggestion in a large sample (N = 193) at a Dutch festival. Participants reported a wide range of extraordinary experiences associated with mysticism, including out-of-body experiences, involuntary movements, and the felt presence of invisible beings. Regression analyses revealed that self-identified spiritualism predicted extraordinary experiences, but neither objective nor subjective measures of alcohol intoxication increased participants’ susceptibility to the God Helmet. Methodological limitations that may explain the lack of an effect for alcohol are discussed, while we explore the usefulness of the God Helmet in the study of extraordinary experiences. K1 God Helmet K1 Alcohol K1 executive function K1 Expectancy K1 mystical experiences K1 Suggestibility DO 10.1080/2153599X.2017.1403952