Landau-Kleffner Syndrome Information Page
... Landau-Kleffner syndrome (LKS) is a rare, childhood neurological disorder characterized by the sudden or gradual development of aphasia (the inability to understand or express language) and an abnorma...

Anencephaly Information Page
... Anencephaly is a defect in the closure of the neural tube during fetal development. The neural tube is a narrow channel that folds and closes between the 3rd and 4th weeks of pregnancy to form the bra...

Chiari Malformation Information Page
... Arnold-Chiari Malformation is a condition in which the cerebellum portion of the brain protrudes into the spinal canal. It may or may not be apparent at birth. Arnold-Chiari I type malformation usuall...

Encephaloceles Information Page
... Encephaloceles are rare neural tube defects characterized by sac-like protrusions of the brain and the membranes that cover it through openings in the skull. These defects are caused by failure of the...

Hydranencephaly Information Page
... Hydranencephaly is a rare condition in which the brain's cerebral hemispheres are absent and replaced by sacs filled with cerebrospinal fluid. An infant with hydranencephaly may appear normal at b...

Tethered Spinal Cord Syndrome Information Page
... Tethered spinal cord syndrome is a neurological disorder caused by an abnormal stretching of the spinal cord. The course of the disorder is progressive. In children, symptoms may include lesions, hair...