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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) - 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 …

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

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

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

    Dec 8, 2025 · An electroencephalogram (EEG) test is used to check for seizures and diagnose epilepsy. EEG can also be used to diagnose other medical conditions like sleep disorders or …

  5. Electroencephalography (EEG) Prep, During, After, Results, Cost

    Learn more about the electroencephalogram (EEG), a test that measures brain waves and evaluates brain disorders. Learn more about the test, preparation, results, and more.

  6. EEG Test (Electroencephalogram): Purpose, Procedure, and Results

    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.

  7. EEG: MedlinePlus Medical Encyclopedia

    Jan 13, 2025 · An electroencephalogram (EEG) is a test to measure the electrical activity of the brain. The test is done by an EEG technologist in your health care provider's office or at a …

  8. Understanding the Electroencephalogram (EEG) Test: Key ...

    Learn about the Electroencephalogram (EEG) test, a non-invasive brain scan used for epilepsy, seizures, sleep disorders, and more. Find out how it works, preparation tips, and result …

  9. EEG - UCSF Health

    Jan 23, 2023 · An EEG test is very safe. The flashing lights or fast breathing (hyperventilation) required during the test may trigger seizures in those with seizure disorders.

  10. Electroencephalogram - StatPearls - NCBI Bookshelf

    Despite the development of more advanced imaging techniques, EEG remains an essential paraclinical tool for seizure evaluation. This activity represents an overview of EEG testing, …