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 …
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.
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 …
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 (Electroencephalogram): Purpose, Procedure, and Risks
Nov 9, 2021 · An EEG is a test that measures your brain waves and helps detect abnormal brain activity. The results of an EEG can be used to rule out or confirm medical conditions.
Electroencephalography (EEG) Prep, During, After, Results, Cost
Learn more about the electroencephalogram (EEG), a test that measures brain waves and evaluates brain disorders. Learn more about the test, preparation, results, and more.
EEG: Basic Principles and Overview - OpenAnesthesia
Nov 24, 2025 · Key Points Electroencephalography (EEG) measures the summed postsynaptic potentials of synchronized cortical neurons, which reflect network connectivity and enable the …
Electroencephalogram Test (EEG): Procedure and Results - GoodRx
Nov 19, 2025 · An electroencephalogram (EEG) is a painless test that measures your brain’s electrical activity. EEGs can help diagnose seizures and other brain conditions. You may need EEG …
EEG Test: What It Is, Why It’s Done, and What to Expect
Jul 29, 2025 · An electroencephalogram, commonly known as an EEG, is a medical test that records the electrical activity of the brain. This non-invasive procedure involves placing small sensors on the …
EEG: MedlinePlus Medical Encyclopedia
Jan 13, 2025 · An electroencephalogram (EEG) is a test to measure the electrical activity of the brain.