“…Firstly, it was found that these patients showed an overall reduction of mimic and facial affective expressiveness compared to healthy subjects (Aghevli, Blanchard & Horan, 2003;Krause, Steimer-Krause & Hufnagel, 1992;Kring & Earnst, 1999;Kring & Neale, 1996;Kring, Kerr, Smith & Neale, 1993;Trémeau et al, 2005;Steimer-Krause, Krause & Wagner, 1990). Secondly, they were found to show elevated amounts of negative facial affectivity compared to healthy subjects (Krause et al, 1992;Merten & Krause, 2003;Schwab, Merten & Krause, 1997;Steimer-Krause et al, 1990).…”