Points to remember:
1. An EEG is a test used to identify seizures in the brain, and can be done in the hospital or in a clinic.
2. An EEG is painless, and is relatively quick. A standard EEG takes about 20 minutes to complete.
3. EEGs can also identify areas of the brain with slower electrical activity, and this can result from a tumor or treatments like radiation to parts of the brain.
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