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  1. EEG (electroencephalogram) - Mayo Clinic

    May 29, 2024 · An EEG records the electrical activity of the brain through electrodes put on the scalp. EEG results show changes in brain activity. This may help diagnose brain conditions …

  2. Electroencephalogram (EEG): What It Is, Procedure & Results

    Sep 29, 2025 · An EEG (electroencephalogram) is a test that evaluates brain function. Healthcare providers order an EEG to diagnose brain issues like epilepsy.

  3. What It's Like to Have an EEG Test Done - Verywell Health

    Feb 25, 2025 · An EEG is a test that records the electrical activity in your brain. It is most often used to diagnose epilepsy, but it can also be used for head injuries, brain tumors, stroke, and …

  4. EEG Test (Electroencephalogram): Purpose, Procedure, and Results - WebMD

    Dec 18, 2023 · An EEG is a test that helps your doctor diagnose brain disorders like epilepsy or a sleep disorder. You can have it in a doctor's office, a sleep lab, or at home.

  5. Electroencephalogram (EEG) - Johns Hopkins Medicine

    An EEG is a test that detects abnormalities in your brain waves, or in the electrical activity of your brain. During an EEG, electrodes are pasted onto your scalp. These are small metal disks with …

  6. Electroencephalography - Wikipedia

    Electroencephalography (EEG) [1] is a method to record an electrogram of the spontaneous electrical activity of the brain. The bio signals detected by EEG have been shown to represent …

  7. EEG (Electroencephalogram): A Complete Guide to the Brain-Wave Test

    2 days ago · An Electroencephalogram (EEG) is one of the most widely used and reliable diagnostic tests in neurology. It measures electrical activity in the brain through small sensors …

  8. Electroencephalogram (EEG) - Harvard Health

    Mar 22, 2025 · Doctors most often order an EEG to help diagnose a seizure disorder, or to monitor effectiveness of antiseizure medicine in people with epilepsy. It also may be used to …

  9. Electroencephalography (EEG) | UMass Memorial Health

    Electroencephalography (EEG) is a test that measures your brain wave activity. Learn why it's used and how to prepare for the test.

  10. Electroencephalogram (EEG) - NHS

    An electroencephalogram (EEG) is a recording of brain activity. During this painless test, small sensors are attached to the scalp to pick up the electrical signals produced by the brain. These …