X-Linked Lissencephaly With Abnormal Genitalia as a Tangential Migration Disorder Causing Intractable Epilepsy: Proposal for a New Term, “Interneuronopathy”

X-linked lissencephaly with abnormal genitalia is the first human disorder in which deficient tangential migration in the brain has been demonstrated. Male patients with X-linked lissencephaly with abnormal genitalia show intractable seizures, especially clonic convulsions or myoclonus from the first day of life, but neither infantile spasms nor hypsarrhythmia on electroencephalograms so far. Brain magnetic resonance imaging shows anterior...