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  1. Aphasia - NIDCD

    Stroke is the leading cause of aphasia. According to the National Aphasia Association, approximately one third of stroke survivors have aphasia. A stroke occurs when a blood clot or a leaking or burst …

  2. Aphasia - Symptoms & causes - Mayo Clinic

    Jun 11, 2022 · Aphasia usually happens suddenly after a stroke or a head injury. But it can also come on gradually from a slow-growing brain tumor or a disease that causes progressive, permanent …

  3. Aphasia: Causes & Symptoms | American Brain Foundation

    Aphasia commonly occurs after someone has suffered a stroke, but there are a number of other possible causes and conditions that put a person at risk. Head injury, brain tumors, infections, and …

  4. What you need to know about aphasia - Harvard Health

    Jul 1, 2022 · Brain damage can cause the language disorder aphasia. It affects a person's ability to understand or produce speech. Coping with aphasia requires treatment for the underlying cause and …

  5. What is Aphasia? - National Aphasia Association

    Aphasia is not a disease, but a symptom of damage to the parts of the brain that control language. This damage can happen suddenly—like after a stroke or head injury—or slowly over time, as with some …

  6. Aphasia - Johns Hopkins Medicine

    Aphasia is a language disorder caused by damage to parts of the brain that control speech and understanding of language. Depending on which areas of the brain are affected, a person might have …

  7. Aphasia: Causes, Symptoms, and Treatments - WebMD

    May 14, 2025 · Aphasia happens when those parts of the brain don’t work properly because of a brain injury, dementia, and other causes. Aphasia isn’t a sign of low intelligence or ability. When you have...

  8. Aphasia - Brain, Spinal Cord, and Nerve Disorders - Merck Manual ...

    Aphasia is partial or complete loss of the ability to express or understand spoken or written language. It results from damage to the areas of the brain that control language.

  9. What is aphasia? - NIH MedlinePlus Magazine

    Most aphasia cases result suddenly from a stroke or head injury. However, they may also develop slowly from a brain tumor or disease that affects brain tissue. One way to prevent aphasia is to lower …

  10. Aphasia: Causes, Symptoms & Treatment - Cleveland Clinic

    Aphasia is a language disorder that affects your ability to speak and understand what others say. You might have trouble reading or writing. It usually happens suddenly after a stroke or traumatic brain …