electroencephalogram
Pronunciation: ih-lek-troh-en-SEF-uh-loh-gram
A test that records electrical activity in the brain using electrodes placed on the scalp.
Full Definition
An electroencephalogram (EEG) is a non-invasive diagnostic test that measures and records the electrical activity of the brain through electrodes placed on the scalp. In pediatric neurology, EEGs are crucial for diagnosing seizure disorders, sleep disorders, and various brain abnormalities in children. The test can be performed while the child is awake, asleep, or during specific activities to capture different brain states and potential abnormalities.
Usage
Usage note: Often abbreviated as EEG in clinical documentation, but should be spelled out on first use in formal reports.
In Context
- "The neurologist ordered an overnight electroencephalogram to evaluate the patient's suspected nocturnal seizures." — Clinical assessment report