What is it?

• It is a recording of the electrical activity coming from the brain stem
• used to evaluate the health of certain brain pathways not easily accessed by an EEG test.
• It is not a hearing test or a treatment of any kind.

How long does it take?

• About an hour.

Why is a BAEP performed?

• It helps evaluate the cause of symptoms such as loss of balance, weakness, nausea, vomiting, hearing loss, unusual ringing of ears, headaches, vision problems, or numbness.

Does it hurt?

• No, you will experience no pain or discomfort.

Where is it conducted?

• EEG and Evoked Potential Labs
• Lower Level (LL) of Carver Pavilion

• Over 100.

What should I do to prepare for the test?

• Eat normal meals.
• Bring all medications you are currently taking when you come for the test. You may continue taking all medications unless your doctor gives you other instructions.
• Wash your hair before coming to the lab.
• Do NOT apply sprays, oils, or dressings of any kind.

How is it performed?

• You will sit in a comfortable chair while a technologist glues four electrodes onto your head.
• A meter checks all electrode connections to ensure that they are working properly.
• Earphones are placed over your ears
• You may lean back in the chair, relax, and even sleep if you like. You are asked to remain as still as possible.
• A clicking sound is delivered to one ear at a time for several minutes. You may or may not hear the clicks.

Following the test

• The electrodes are removed with acetone, which dissolves the glue and leaves your hair and skin intact.
• You may wash your hair when you return to your hospital room or home, unless your doctor gives you other instructions.
• You will learn the test results from the doctor either on the day of your visit, or from a copy of the letter sent to your personal physician.