Brain ventricles as windows into brain development and disease.

Dilation of the fluid-filled cerebral ventricles (ventriculomegaly) characterizes hydrocephalus and is frequently seen in autism and schizophrenia. Recent work suggests that the genomic study of congenital hydrocephalus may be unexpectedly fertile ground for revealing insights into neural stem cell regulation, human cerebrocortical development, and pathogenesis of neuropsychiatric disease.
Competing Interests: Declaration of interests D.H.G. and C.A.W. are members of the Neuron advisory board. The other authors declare no competing interests.
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