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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 such as …

  2. 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 the postsynaptic …

  3. 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.

  4. EEG (Electroencephalogram): Uses, Procedure, Risks

    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 infections such …

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

    Nov 9, 2021 · An electroencephalogram (EEG) is a test used to evaluate the electrical activity in your brain. It can help detect potential problems with brain cell communication.

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

    Dec 18, 2023 · An EEG, or electroencephalogram, is a test that records the electrical signals of the brain by using small metal discs (called electrodes) that are attached to your scalp.

  7. Electroencephalogram (EEG) | Neurology - UC Davis Health

    Jul 10, 2025 · An electroencephalogram (EEG) is a noninvasive, painless test that detects unusual electrical activity in your brain. Cells in your brain send signals through electrical impulses.

  8. EEG: Basic Principles and Overview - OpenAnesthesia

    Nov 24, 2025 · EEG patterns dynamically change in response to metabolic, physiologic, and sleep–wake alterations, providing sensitive markers of hypoxia, hypo- and hypercarbia, hypothermia, …

  9. Electroencephalogram (EEG) | Kaiser Permanente

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

  10. Quick Facts: Electroencephalography (EEG) - Merck Manual ...

    EEG is a simple, painless test that records your brain’s electrical activity to see how well different areas of your brain are working. Doctors use EEG to check problems such as seizures.