Jun 6, 2026 · Progressive supranuclear palsy ( PSP ) is a rare brain disease that affects movement, balance, vision, and swallowing. It happens when certain brain cells that control body movement, thinking, and coordination become damaged.
May 22, 2026 · PSP is caused by damage to nerve cells in areas of the brain that control thinking and body movements. It is one of a family of neurological conditions called atypical parkinsonism and belongs to the category of frontotemporal disorders.
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