Lissencephaly 5, also known as cobblestone lissencephaly without muscular or ocular involvement, is related to proliferative vasculopathy and hydranencephaly-hydrocephaly syndrome and walker-warburg syndrome, and has symptoms including seizures An important gene associated with Lissencephaly 5 is LAMB1 (Laminin Subunit Beta 1), and among its related pathways/superpathways are Guidance Cues and Growth Cone Motility and Signaling by Slit. Affiliated tissues include brain and cortex, and related phenotypes are hydrocephalus and optic atrophy