Electroencephalogram (EEG)

The electroencephalogram (EEG) is a non-invasive test used to evaluate brain function or disorders, or to determine brain death.

Parts of the Body Involved

Scalp

Reasons for Procedure

An EEG may be done for the following reasons:
  • To diagnose epilepsy
  • To diagnose brain injury
  • To assess conditions and diseases that affect the brain, such as coma, mental retardation, encephalitis, cognitive impairment, brain tumors, or certain psychological disorders

Risk Factors for Complications during the Procedure

There are very few risks associated with this procedure. If you are prone to seizures, and need to discontinue medication for the test, you may be more likely to have a seizure.

What to Expect

Prior to Procedure

Outcome

Your test results will be interpreted by a neurologist and forwarded to your doctor. Within one to two weeks of your test, your doctor will discuss the results with you.

Call Your Doctor If Any of the Following Occurs

  • Change in your regular seizure pattern once restarting your anti-seizure medication