“…To support these complex social interactions, humans are equipped with a powerful tool-the face (although see also research on voice and body posture, e.g., Atkinson et al 2004, Belin et al 2008, Cordaro et al 2015, Dael et al 2012, de Gelder 2009, Grezes et al 2007, Pollick et al 2001, Roether et al 2009, Scheiner & Fischer 2011. As a rich source of information, the human face can elicit myriad immediate social judgments-for example, about identity (e.g., Gauthier et al 1999, pattern of a happy facial expression is transmitted through the medium of light (i.e., photons) to the visual system of another human.…”