From Relaxed Beliefs Under Psychedelics (REBUS) to Revised Beliefs After Psychedelics (REBAS): Preliminary Development of the RElaxed Beliefs Questionnaire (REB-Q) - Zeifman R; Spriggs MJ; Kettner H; Lyons T; Rosas F; Mediano P; Erritzoe D; Carhart-Harris R. (PsyArXiv, 2022)