Hemorrhagic Destruction of the Brain, Subependymal Calcification, and Cataracts, also known as porencephaly-microcephaly-bilateral congenital cataract syndrome, is related to microcephaly and cataract, and has symptoms including muscle spasticity and seizures. An important gene associated with Hemorrhagic Destruction of the Brain, Subependymal Calcification, and Cataracts is JAM3 (Junctional Adhesion Molecule 3). Affiliated tissues include brain and pons, and related phenotypes are seizure and spasticity