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Symptomsback to top. The following symptoms are considered hallmarks of normal pressure hydrocephalus: Difficulty walking that's sometimes compared to the way a person walks on a boat, with the body bent forward, legs held wide apart and feet moving as if they're glued to the deck..
Hydrocephalus may be either congenital (present at birth) or acquired. An obstruction within the brain is the most frequent cause of congenital hydrocephalus. A normal brain (left) and one showing the enlarged ventricles of hydrocephalus. The additional fluid in the ventricles causes increased pressure on the brain.