Neuronal Migration Disorder

**Semantic type:** Disease or Syndrome

**Definition:** A diverse group of congenital brain developmental disorders characterized by defects in neuronal migration in the brain during early fetal development. The neuronal migration defects result in brain abnormalities that are usually manifested with mental retardation and epilepsy.

**Synonyms:** - Migration Defects - Neuronal Migration Abnormalities - Neuronal Migration Abnormalities