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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. EEG Procedure - Simply Psychology

    Jun 12, 2025 · An EEG (electroencephalogram) records your brain’s electrical activity using painless electrodes placed on the scalp. It measures brainwaves like delta, theta, alpha, beta, …

  6. 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.

  7. 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.

  8. EEG (Electroencephalogram): Purpose, Procedure, and Risks

    Nov 9, 2021 · An EEG is a test that measures your brain waves and helps detect abnormal brain activity. The results of an EEG can be used to rule out or confirm medical conditions.

  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 (EEG) - Kaiser Permanente

    Dec 3, 2024 · Electroencephalogram (EEG) An electroencephalogram (EEG) is a test that measures and records the electrical activity of your brain. Special sensors called electrodes …