Auditory brainstem response (ABR) is an electrical signal evoked from the brainstem of a human or other mammal by the presentation of a sound such as a click.Auditory brainstem response audiometry is a screening test to monitor for
hearing loss or
deafness, especially notable for its use with newborn infants. It is a method employed to assess the functions of the
ears,
cranial nerves, and various brain functions of the lower part of the
auditory system, prior to the child developing to the point of describing a possible hearing problem.
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