Electroencephalography

Electroencephalography (EEG) is a medical test that measures electrical activity in the brain. Small electrodes are placed on the scalp to record brain waves, which reflect various mental states, such as sleep, alertness, or activity. EEG is commonly used to diagnose conditions like epilepsy, sleep disorders, and brain injuries. The test is painless and non-invasive, providing valuable insights into brain function. By analyzing the patterns of brain waves, doctors can better understand abnormalities and track changes over time, assisting in effective treatment planning.