An electroencephalogram (EEG) is a test that measures and records the electrical activity of your brain. Special sensors (Reference electrodes Opens New Window Reference Opens New Window) are attached to your head and hooked by wires to a computer. The computer records your brain's electrical activity on the screen or on paper as wavy lines. Certain conditions, such as Reference seizures Opens New Window, can be seen by the changes in the normal pattern of the brain's electrical activity.
|By:||Reference Healthwise Staff||Last Revised: Reference May 8, 2012|
|Medical Review:||Reference Anne C. Poinier, MD - Internal Medicine
Reference Colin Chalk, MD, CM, FRCPC - Neurology