DYNLRB1 was found to be associated to neuronal survival [52], INPP5K was found to be associated to cognitive impairment [59], ZFHX2 was found to be associated to behavioral abnormalities [25] and CTNND2 was found to be associated to mental retardation and intellectual disability [31], [4]. This evidence concerns the gene CTNND2 and Cognitive impairment.