Primary progressive aphasia

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Definition

By Mayo Clinic staff

Primary progressive aphasia is a rare neurological syndrome that impairs language capabilities. People with primary progressive aphasia may have trouble naming objects or may misuse word endings, verb tenses, conjunctions and pronouns.

Symptoms of primary progressive aphasia begin gradually, usually before the age of 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.

Primary progressive aphasia is a type of frontotemporal dementia, a cluster of related disorders that all originate in the frontal or temporal lobes of the brain.

DS00750

Aug. 1, 2008

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