“…According to the definition provided by Peter Fonagy and Anthony Bateman, mentalization refers to "the ability to reflect upon, and to understand one's state of mind" (Bateman & Fonagy, 2012); "to have insight into what one is feeling, and why"; and is assumed to be an important coping skill that is necessary for effective emotional regulation (Bateman & Fonagy, 2012). Previous research has demonstrated that difficulties with emotional regulation are one of the primary characteristics of personality disorders (Fonagy & Allison, 2016;Petersen, Brakoulias, & Langdon, 2016). However, only a few studies have investigated mentalization in affective disorders (Fischer-Kern et al, 2013;Power, Iacoponi, Reynolds, et al, 2007;Santos et al, 2017).…”