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Primary Progressive Aphasia

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Synonyms

Frontotemporal lobar degeneration; Logopenic aphasia; Pick’s disease; Progressive fluent aphasia; Progressive nonfluent aphasia; Semantic dementia

Glossary

AD:

Alzheimer’s disease

ADD/ADHD:

Attention deficit disorder/Attention deficit hyperactivity disorder

ALS:

Amyotrophic lateral sclerosis (Lou Gehrig’s disease)

AOS:

Apraxia of speech

ApoE4:

Apolipoprotein E4

bvFTD:

Behavioral variant frontotemporal dementia

C90rf72:

Chromosome 9 open reading frame 72; in normal individuals, there are 2–24 noncoding hexanucleotide GGGGCC repeats. Expansion to hundreds to thousands of repeats occurs in individuals with frontotemporal dementia and amyotrophic lateral sclerosis. The smallest expansion conferring risk is not known. It is the most common gene causing either frontotemporal dementia or amyotrophic lateral sclerosis. The second most common presentation of mutations in this gene after behavioral variant primary progressive aphasia is nonfluent variant primary progressive aphasia

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Shatz, R. (2018). Primary Progressive Aphasia. In: Kreutzer, J.S., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, Cham. https://doi.org/10.1007/978-3-319-57111-9_915

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