OXT and Anxiety: Oxytocin is released during stress response and seems to be an important modulator of anxiety and fear processes, mainly with anxiolytic effect (Jezová et al., 1996; McCarthy et al., 1996; Kirsch et al., 2005; Uvnås-Moberg and Petersson, 2005; Marazziti et al., 2006; Carter, 2017).