l dysfunction, and thus, may overlap with symptoms of FTD, only few recent studies directly compared the symptomatol- ogy of schizophrenia and FTD (Kosmidis et al., 2008; Weickert et al., 2011; Velakoulis et al., 2009; Ziauddeen et al., 2011). Ziauddeen et al. (2011) compared a small group of negative-symptom