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.
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 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.
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.
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 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 …
EEG - UCSF Health
Jan 23, 2023 · An EEG test is very safe. The flashing lights or fast breathing (hyperventilation) required during the test may trigger seizures in those with seizure disorders.