“…Hart et al ., 2008), lower social support (Acierno et al ., 2002; Alpass et al ., 2004), current level of PTSD symptoms of spouse (Bramsen et al ., 2002), use of immature defense mechanisms (Brodaty et al ., 2004), and personality factors such as neuroticism and antagonism (van Zelst et al ., 2003; Brodaty et al ., 2004; Chung et al ., 2006). Current cognitive status may also represent a noteworthy risk factor in the elderly population, especially with respect to the emergence or re-emergence of PTSD in old age after years of absent or well-controlled symptoms (Johnston, 2000; Mittal et al ., 2001; van Achterberg et al ., 2001; Floyd et al ., 2002; Cook et al ., 2003; Alpass et al ., 2004; Ruzich et al ., 2005).…”