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What is an Auditory Brainstem Response test?
An Auditory Brainstem Response (ABR) test shows the brainstorm's response to sound. Different levels of loudness and pitch are used to determine approximate levels of hearing in each ear. The test does not require participation from the child. It is commonly done on infants and small children, or anyone who cannot participate with routine testing.
How is the test performed?
Four small electrodes will be placed on your child's head and sounds will be presented through an earphone to each ear separately while a computer analyzes the changes in the brain wave pattern in response to sounds. The test is not painful or uncomfortable, but it is necessary for your child to be asleep in order to obtain clear recordings during the test. You can be in the room with your child during the test, and the results will be explained afterward. This test may be performed sedated or unsedated, depending on the age and health of your child.