
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 …
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.
Electroencephalography - Wikipedia
The recording of these signals is referred to as electrocorticography (ECoG), subdural EEG (SDE), intracranial EEG (iEEG), or stereotactic EEG (SEEG). The signal recorded from ECoG …
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 …
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.
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.
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, …
EEG - UCSF Health
Jan 23, 2023 · An EEG may be done to show that the brain has no activity, in the case of someone who is in a deep coma. It can be helpful when trying to decide if a person is brain dead.
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 …
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.