eeg

Everyday

1. Short for electroencephalogram: a medical test that records the electrical activity of the brain as wavy lines. tree →
2. The machine that does this test. tree →

In the lessons

In health and science lessons about the brain, an EEG shows brain waves; doctors use it to study sleep and conditions such as epilepsy; small metal discs are put on the head; phrases: «have an EEG», «EEG test».

Examples

• The doctor did an EEG to look at my brain waves. tree →
• During an EEG, little sensors are stuck on your head. tree →
• An EEG does not hurt. tree →
• Scientists use EEGs to study sleep. tree →
• The EEG showed the brain waves while she was asleep. tree →
• The EEG helped doctors understand his seizures. tree →

Note

Written in capitals: EEG; said «ee-ee-gee», so «an EEG». Do not confuse with ECG (heart). The long word: electroencephalogram (e-lek-tro-en-SEF-a-lo-gram).