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 …

Electroencephalography (EEG) [1] is a method to record an electrogram of the spontaneous electrical activity of the brain. The bio signals detected by EEG have been shown to represent …

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

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 …

Nov 9, 2021 · An electroencephalogram (EEG) is a test used to evaluate the electrical activity in your brain. It can help detect potential problems with brain cell communication.

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.

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 …

Jul 10, 2025 · An electroencephalogram (EEG) is a noninvasive, painless test that detects unusual electrical activity in your brain. Cells in your brain send signals through electrical …

Nov 24, 2025 · Key Points Electroencephalography (EEG) measures the summed postsynaptic potentials of synchronized cortical neurons, which reflect network connectivity and enable the …

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