Progressive non-fluent aphasia
Progressive non-fluent aphasia
Definition
Progressive non-fluent aphasia (PNFA) is a form of frontotemporal dementia (FTD), characterized by agrammatism, laborious speech, alexia, and agraphia, frequently accompanied by apraxia of speech (AOS). Language comprehension is relatively preserved.
Also known as Agramatic variant of PPA, Agramatic variant of primary progressive aphasia, non-fluent variant PPA, Primary Progressive Nonfluent aphasia — per MONDO