- Pitt-Hopkins syndrome [DOID:0060488]
A syndrome characterized by intellectual disability and developmental delay, breathing problems, recurrent seizures, and distinctive facial features and that has_material_basis_in heterozygous de novo mutations in the TCF4 gene in chromosome 18q21.
- Pitt-Hopkins-like syndrome 2 [DOID:0111332]
A syndromic intellectual disability characterized by developmental delay and intellectual disability with many patients also displaying infantile hypotonia and autistic features that has_material_basis_in compound heterozygous or homozygous mutation in the NRXN1 gene on chromosome 2p16.3.
- cortical dysplasia-focal epilepsy syndrome [DOID:0090130]
A brain disease that is characterized by cortical dysplasia, focal epilepsy, macrocephaly, and diminished deep-tendon reflexes that has_material_basis_in autosomal recessive inheritance of homozygous or compound heterozygous mutation in the contactin associated protein like 2 (CNTNAP2) gene on chromosome 7q35-q36.