“…Similarly, several studies in nonclinical subjects have found that psychosis-proneness is associated with mixed handedness (Chapman and Chapman, 1987, Kim et al, 1992, Poreh, 1994, Richardson, 1994, Claridge et al, 1998, Shaw et al, 2001, Gregory et al, 2003, Annett and Moran, 2006, Schürhoff et al, 2008and Chapman et al, 2011, although some studies have found associations with both left and mixed handedness (Kelley andCoursey, 1992 andPoreh et al, 1997).…”