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Living with Primary progressive non fluent aphasia

A form of frontotemporal dementia in adults that makes speech slow and effortful and affects grammar, reading and writing.

Understanding Primary progressive non fluent aphasia

Primary progressive non-fluent aphasia (PNFA) is a form of frontotemporal dementia in which speech becomes slow, effortful and ungrammatical.

People have trouble with grammar, laborious speech, reading (alexia) and writing (agraphia), and often have trouble planning the movements of speech. Understanding language is relatively preserved. It usually starts in adulthood.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Slow, effortful speech
  • Trouble with grammar
  • Trouble finding words
  • Trouble reading (alexia)
  • Memory problems
  • Anxiety and low mood

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include brain and nervous system specialists and genetic specialists.

  3. Consider genetic testing

    Changes in PSEN1 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  4. Connect with expert centers

    The Association for Frontotemporal Degeneration and National Aphasia Association may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
Expert care
Expert lists: The Association for Frontotemporal Degeneration, National Aphasia Association
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with The Association for Frontotemporal Degeneration and other patient organizations
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Should we have genetic testing, such as for PSEN1?
What speech therapy and communication tools can help?
Which specialists should be on my care team?

Quick facts

Symptoms usually startAdult
GenesPSEN1

GARD lists the PSEN1 gene for this condition but doesn't describe an inheritance pattern. Loss of brain tissue in the frontal and temporal lobes is part of the condition.

GeneticNeurological

Also known as: agramatic variant of ppa; agramatic variant of primary progressive aphasia; non-fluent variant ppa; primary progressive nonfluent aphasia; progressive non-fluent aphasia

Patient organizations

Source: NIH GARD · Primary progressive non fluent aphasiaGARD ID 10793 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Primary progressive non fluent aphasia.

Explore the Primary progressive non fluent aphasia blog

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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