
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 …
EEG (electroencephalogram) - Mayo Clinic
May 29, 2024 · During an EEG, flat metal discs called electrodes are attached to the scalp.
Electroencephalogram (EEG): What It Is, Procedure & Results
An EEG (electroencephalogram) is a test that tracks your brain’s electrical signals. It checks for epilepsy or other brain conditions. It’s painless, safe and can be done while you’re awake or …
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 …
Electroencephalography | Definition, Procedure, & Uses | Britannica
Nov 28, 2025 · electroencephalography, technique for recording and interpreting the electrical activity of the brain. The nerve cells of the brain generate electrical impulses that fluctuate …
Electroencephalography - Neurologic Disorders - Merck Manual ...
Electroencephalography - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the Merck Manuals - Medical Professional Version.
EEG (Electroencephalogram): Uses, Procedure, Risks
Dec 8, 2025 · EEGs can help diagnose conditions like epilepsy and sleep disorders. Electrodes placed on the scalp detect brain waves and send this information to a computer. An …
EEG Test (Electroencephalogram): Purpose, Procedure, and Results - WebMD
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. Your …
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 …
Electroencephalography (EEG) Prep, During, After, Results, Cost
What Is Electroencephalography (EEG)? Picture of a child having an EEG. The electroencephalogram (EEG) is a measure of brain waves. It is a readily available test that …