Test of hearing and brainstem function (brainstem auditory evoked response)

Brainstem Auditory Evoked Response (BAER) Test information at HowStuffWorks.

Learn about the purpose of Brainstem Auditory Evoked Response (BAER) Test, what to expect and how to prepare for this test.

The ABR, also known as the brainstem auditory evoked response (BAER) test or auditory brainstem evoked potential (ABEP) test measure the brain's response to clicking sounds sent through headphones.