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Living with Primary progressive aphasia

A brain condition in adults that slowly takes away the ability to speak and understand language.

Understanding Primary progressive aphasia

Primary progressive aphasia (PPA) is a condition that affects a person's ability to use language to communicate.

People lose the ability to understand or express speech (aphasia). It is a type of frontotemporal dementia and has three types: progressive non-fluent aphasia, semantic dementia and logopenic progressive aphasia. It is caused by tissue loss (atrophy) in the part of the brain that produces language. It usually begins in adulthood.

Signs & symptoms

GARD doesn't list a symptom list for this condition. It describes this:

  • Progressive loss of language abilities
  • Trouble understanding speech
  • Trouble expressing speech
  • Shrinking of the language area of the brain

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.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

  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)
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
Which type of PPA do I have, and how was it confirmed?
Should we have genetic testing for GRN?
What speech therapy and communication aids can help?

Quick facts

Symptoms usually startAdult

PPA is caused by loss of tissue in the language area of the brain. In some cases this is caused by changes in the GRN gene, which is autosomal dominant, meaning one changed copy of the gene is enough.

Neurological

Also known as: mesulam syndrome; ppa

Patient organizations

Source: NIH GARD · Primary progressive aphasiaGARD ID 8541 · 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 aphasia.

Explore the Primary progressive aphasia blog

Explore research for Primary progressive aphasia

Explore actively recruiting Primary progressive aphasia studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Primary progressive aphasia with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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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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