Progressive nonfluent aphasia

Progressive nonfluent aphasia (PNFA) is a type of aphasia characterized by progressive language disorder. It is one of three clinical syndromes associated with frontotemporal lobar degeneration.

Symptoms

PNFA is characterized by difficulties in language expression, including problems with speech production, naming, and word finding. Patients may also have difficulties with grammar and sentence construction. Despite these language problems, patients typically have preserved memory and visual processing skills.

Causes

PNFA is caused by degeneration in the frontal and temporal lobes of the brain. This degeneration is often associated with abnormal accumulation of the protein tau.

Diagnosis

Diagnosis of PNFA is based on clinical assessment, including detailed language testing. Neuroimaging techniques such as MRI and PET scans can also be used to identify areas of brain degeneration.

Treatment

There is currently no cure for PNFA. Treatment focuses on managing symptoms and improving quality of life. This may include speech and language therapy, and medications to manage behavioral symptoms.

Prognosis

The progression of PNFA varies between individuals. Some patients may remain stable for many years, while others may show rapid decline.

See also

• Aphasia
• Frontotemporal lobar degeneration
• Primary progressive aphasia

References

Progressive nonfluent aphasia Resources
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