A form of frontotemporal lobar degeneration and a progressive form of dementia characterized by motor speech impairment and AGRAMMATISM, with relative sparing of single word comprehension and semantic memory.
Also Known As:
Progressive Nonfluent Aphasia; Non-fluent Primary Progressive Aphasia; PPA Syndrome; Aphasia, Progressive Nonfluent; Aphasias, Progressive Nonfluent; Non fluent Primary Progressive Aphasia; Nonfluent Aphasia, Progressive; Nonfluent Aphasias, Progressive; PPA Syndromes; Progressive Nonfluent Aphasias; Syndrome, PPA; Syndromes, PPA