Electroencephalogram (EEG)

An electroencephalogram (EEG) records the electrical activity in the brain and identifies abnormalities. Electrodes are pasted to your head in specific places, and wires are then connected from the electrodes to an EEG machine. Brain wave activity may show a pattern, which helps the physician determine whether or not you have a certain neurological condition. The procedure is safe and noninvasive, producing no pain or risk of electric shock, and can last anywhere from 45 minutes to 2 hours.

An electroencephalogram may be used to diagnose or rule out conditions such as:

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