WAcute flaccid myelitis
WAdrenoleukodystrophy
WAicardi syndrome
WAlexander disease
WAsperger syndrome
WAutism
WCerebral palsyWCongenital bilateral perisylvian syndrome
WDiencephalic syndrome
WEpilepsy
WFetal alcohol spectrum disorder
WKrabbe disease
WLeigh syndrome
WLysosomal storage disease
WPleomorphic xanthoastrocytoma
WRett syndrome
WTay–Sachs disease