“…A considerable amount of research has established that the visual system is highly efficient at perceiving both faces and facial expressions (e.g., Bruce, Desimone, & Gross, 1981;Desimone, 1991;Farah, Wilson, Drain, & Tanaka, 1998;Gorea & Julesz, 1990;Hasselmo, Rolls, & Baylis, 1989;Hochberg & Galper, 1967;Homa, Haver, & Schwartz, 1976;Purcell & Stewart, 1988;Schwartz, Izard, & Ansul, 1985;Tanaka & Farah, 1993). In fact, it has been suggested that the perception of facial expressions occurs automatically (e.g., Hansen & Hansen, 1994;Stenberg, Wilking, & Dahl, 1998) and without conscious awareness (e.g., Morris, Öhman, & Dolan, 1998).…”