EEG tests, or electroencephalogram, record electrical activity of the brain. Normal or abnormal patterns may occur & help diagnose epilepsy or other conditions.

An ambulatory EEG may be done if you continue to have seizures after trying various seizure medications. The testing can either confirm the diagnosis of epilepsy or find that epilepsy waves are …

This section gives a brief introduction to how EEG electrodes are set up, what they mean and what the doctors can learn from reading an EEG.

The full EEG procedure usually takes 1 to 1.5 hours. During the process, electrodes are placed on your scalp. You may also be asked to do certain activities.

A video EEG (electroencephalograph) records what you're doing/experiencing while an EEG records brainwaves. Video EEG helps many parts of diagnosis.

A normal EEG does not always mean you didn't experience a seizure. Learn more at the Epilepsy Foundation's website.

Since epilepsy is a disorder affecting the electricity of the brain, the electroencephalogram (EEG) is critical in the evaluation of people with seizures. For many years, EEG meant “routine” EEG, a brief …

Learn about the cause, diagnosis, treatment and outlook for an epilepsy that starts in early teens with absence (staring) and tonic-clonic seizures.

An ambulatory EEG may be done if you continue to have seizures after trying various seizure medications. The testing can either confirm the diagnosis of epilepsy or find that epilepsy waves are …

The EEG (electroencephalogram) is the most important test in making a diagnosis of juvenile myoclonic epilepsy. An EEG in untreated individuals is typically abnormal with a specific EEG pattern, known as …