Experimental phase
Depression, Anxiety, Trauma, trauma
Participants were randomly assigned to the experimental (oxytocin) or the placebo group using Research Randomizer [Alterations of cortisol levels, sAA activity, and HRV were assessed seven times during the study: at baseline, directly before the trauma film, and five times every 15 min after the trauma film. Participants received instructions on how to fill out the intrusion diary over the following four days. Psychometric assessment included Beck Depression Inventory-Revised (BDI-II), Childhood Trauma Questionnaire (CTQ), Emotion Regulation Questionnaire (ERQ) and State-Trait Anxiety Inventory - Trait (STAI - T). Further information about the questionnaires, the analog trauma paradigm, the intrusion diary, and the measurement of biomarkers (salivary assessment and HRV) are described in the Supplement Information and have been published previously [