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Chapter 7214misattributed to the perception of the other. Compared to the lab experiments in this thesis, individuals with social anxiety (or high trait levels) further show a more robust underconfidence in their social performance in studies in real-life scenarios (Dijk et al., 2009; Kashdan & Savostyanova, 2011; Voncken & B%u00f6gels, 2008). This decreased confidence is thought to develop in negatively biased post-event processing of social situations (Dannahy & Stopa, 2007; Helbig-Lang et al., 2016), and might be specific to the situational context. General interventions focusing on overcoming cognitive biases, like Metacognitive Training (MCT; see Nordahl & Wells, 2018), might therefore also be effective in targeting difficulties in social functioning, including altered perception of others%u2019 emotional expression in real social situations. Additionally, interventions focusing on an accurate perception of interoceptive signals or on a regulation of attention to interoceptive signals in a social context could prevent the disproportionate perception and potential misattribution of physiological arousal in social anxiety.Limitations and Future DirectionsStudying social cognition with computerized paradigms in the lab differs immensely from the dynamic processes occurring in real-life social interactions. Instead of purely observing social stimuli, information flow in interactions is bi-directional, with the interaction partners being aware of each other and influencing each other%u2019s cognition and behaviour. When knowing that others can see us, we act more according to social norms and, for example, stare at others (Laidlaw et al., 2011), and specifically their eyes (Gobel et al., 2015), less. On the flipside, we also behave more socially towards real others, by showing clearer facial expressions (Frith, 2009) and by acting more prosocial (Ca%u00f1igueral & Hamilton, 2019). To capture these intrinsic features of real social interactions, the call for a second-person approach in research on social cognition and behaviour has been made less than a decade ago (Schilbach, 2015b). In line with this development, the initial goal of my PhD project was to start investigating facial emotion processing in a more controlled setting from the perspective of a passive observer (third person), and to move to more dynamic, naturalistic situations as a next step. Due to unforeseen delays and challenges within my PhD trajectory, including long waiting times in the communication with