While this basic result confirms those found in many previous studies (Corcoran et al., 1995; Randall et al., 2003; Harrington et al., 2005; Langdon et al., 2006; Bora et al., 2008; Montag et al., 2011), it does not reveal much about the structure of ToM nor its clinical significance in paranoid schizophrenia. This evidence concerns the gene PRPF6 and schizophrenia.