“…It has been long known that human gaze behaviours have communicative and emotional effects. For example, making eye contact can facilitate interpersonal communication (Grumet 1983, Krantz et al 1983, Vertegaal et al 2001), deliver social and emotional content (Bailenson et al 2003, Grossmann et al 2008), increase one's attractiveness (Kampe et al 2001), indicate love and intimacy (Goldstein et al 1976, Cordell and McGahan 2004), facilitate gender categorization (Macrae et al 2002), facilitate the perception of emotions involved with approach motivation (e.g., anger and joy) but not avoidance‐motivated emotions (e.g., fear and sadness) (Adams and Kleck 2003), and have an effect on observers’ emotional responses together with facial expressions (Bayliss et al 2007). On the contrary, avoiding eye contact may have negative implications for these social/emotional aspects.…”