DefinitionBy Mayo Clinic staff
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|Functions of the brain|
Primary progressive aphasia (uh-FAY-zhuh) is a rare nervous system (neurological) syndrome that impairs language capabilities. People with primary progressive aphasia may have trouble expressing their thoughts and comprehending or finding words.
Symptoms of primary progressive aphasia begin gradually, sometimes before age 65, and tend to worsen over time. People with primary progressive aphasia can become mute and may eventually lose the ability to understand written or spoken language.
People with primary progressive aphasia may continue caring for themselves and participating in daily life activities for several years after the disorder's onset, as the condition progresses slowly.
Primary progressive aphasia is a type of frontotemporal degeneration, a cluster of related disorders that originate in the frontal or temporal lobes of the brain.
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