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 …

An EEG (electroencephalogram) is a test that evaluates brain function. Healthcare providers order an EEG to diagnose brain issues like epilepsy.

EEG used to be a first-line method of diagnosis for tumors, stroke, and other focal brain disorders, [4][5] but this use has decreased with the advent of high-resolution anatomical imaging techniques such as …

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. …

Dec 8, 2025 · An electroencephalogram (EEG) detects abnormal brain waves that cause seizures. EEG uses include diagnosing epilepsy, sleep disorders, and brain tumors.

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 …

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 hospital or lab. …

Learn about the Electroencephalogram (EEG) test, a non-invasive brain scan used for epilepsy diagnosis, seizure monitoring, and sleep disorders. Find out how it works, what to expect, and where …

Doctors use EEG to check problems such as seizures. Doctors will place small sticky sensors on your scalp that detect your brain waves and send them to a recording device. When you get an EEG, …

The normal awake EEG shows 8- to 12-Hz, 50-muV sinusoidal alpha waves that wax and wane over the occipital and parietal lobes and > 12-Hz, 10- to 20-muV beta waves frontally, interspersed with 4- to …