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 …

Sep 29, 2025 · An EEG (electroencephalogram) is a test that evaluates brain function. Healthcare providers order an EEG to diagnose brain issues like epilepsy.

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 is on a …

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 …

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.

About Your Electroencephalogram (EEG) This resource explains what an electroencephalogram (ee-LEK-troh-en-SEH-fuh-loh-gram) is. It also explains how to get ready for your electroencephalogram …

Apr 1, 2026 · The recording produced by such an instrument is called an electroencephalogram, commonly abbreviated EEG. To record the electrical activity of the brain, 8 to 16 pairs of electrodes …

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.

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