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 …
EEG (Electroencephalogram): Uses, Procedure, Risks
Dec 8, 2025 · An electroencephalogram (EEG) detects abnormal brain waves that cause seizures. EEG uses include diagnosing epilepsy, sleep disorders, and brain tumors.
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.
EEG: MedlinePlus Medical Encyclopedia
Jan 13, 2025 · An electroencephalogram (EEG) is a test to measure the electrical activity of the brain.
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.
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.
Electroencephalography - Neurologic Disorders - MSD Manual ...
The EEG is examined for asymmetries between the 2 hemispheres (suggesting a structural disorder), for excessive slowing (appearance of 1- to 4-Hz, 50- to 350-muV delta waves, as …