PTPRT and Intellectual disability: Further associations for the gene with neurological pathologies come from the genetic analysis of families with intellectual disability cases (Schuurs-Hoeijmakers et al., 2013) and the detection of a compound heterozygote mutation for PTPRT in one proband amongst a cohort of families with congenital brain malformations and/or intellectual disability cases (Karaca et al., 2015).