Progressive supranuclear palsy
(重定向自Supranuclear palsy)


Progressive supranuclear palsy (PSP; or the Steele-Richardson-Olszewski syndrome, after the physicians who described it in 1963) is a degenerative disease involving the gradual deterioration and death of specific volumes of the brain.
Males and females are affected approximately equally and there is no racial, geographical or occupational predilection. Approximately 6 people per 100,000 population have PSP.