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 …
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 asleep. Your …
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 thin wires. …
Electroencephalography | Definition, Procedure, & Uses ...
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 rhythmically in …
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 provides evidence of how the …
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 electroencephalogram …