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 …

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

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

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.

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.

Dec 14, 2025 · What is an EEG test? Get a complete guide to preparing for the procedure, understanding brain wave measurements, and interpreting results.

Jan 13, 2025 · Definition An electroencephalogram (EEG) is a test to measure the electrical activity of the brain.

The EEG is examined for asymmetries between the 2 hemispheres (suggesting a structural disorder), for excessive slowing (appearance of 1- to 4-Hz, 50- to 350-muV delta waves, as …

Electroencephalography (EEG) is a test that measures your brain wave activity. Learn why it's used and how to prepare for the test.

Dec 3, 2024 · An electroencephalogram (EEG) is a test that measures and records the electrical activity of your brain. Special sensors called electrodes are attached to your head.