Prognosis varies depending on the type of callosal abnormality and associated conditions or syndromes. It is not possible for the<unk><unk>  to regenerate. Neuropsychological testing reveals subtle differences in higher cortical function compared to individuals of the same age and education without<unk> , although some individuals with callosal disorders have average intelligence and live normal lives.
Agenesis of the corpus callosum
Germinal matrix hemorrhage
Congenital bilateral perisylvian syndrome
Cerebellar agenesis
Gray matter heterotopia
Bilateral frontoparietal polymicrogyria
Cerebellar hypoplasia
Pontocerebellar hypoplasia