re found to have psychotic episodes either at onset or during the course of illness (Ibach et al., 2004; Lindau et al., 2000; Mendez et al., 2008; Piguet et al., 2004; Seeley et al., 2005; Velakoulis et al., 2009). The occurrence of psychosis in FTD seems to be significantly higher in subjects with relativ