In addition, RNAi downregulation of the dyslexia-susceptibility genes Dcdc2, Kiaa0319 and Dyx1c1 in rat embryos also affects neuronal migration to cortex (Meng et al. 2005; Paracchini et al. 2006; Wang et al. 2006). This evidence concerns the gene KIAA0319 and dyslexia.