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The Auditory Brainstem Response (ABR) test is one of the most reliable, safe, and painless ways to assess how the hearing nerve and brainstem respond to sound. Healthcare professionals use this test to diagnose hearing and neurological issues without requiring any active participation from the patient.
During the test, a trained technician places small electrodes on the head and ears. These electrodes monitor the brain’s electrical activity while a series of clicking sounds play through earphones. As a result, the test provides valuable information about the function of the auditory nerve pathway.
Doctors may recommend an ABR test for:
Newborn hearing screening (especially in NICUs or after a failed initial screen)
Diagnosing hearing loss in infants, children, or people who cannot take standard hearing tests
Identifying auditory nerve disorders, such as auditory neuropathy
Detecting neurological issues that impact the hearing pathway
Providing intraoperative monitoring during certain brain or ear surgeries
Because the test does not require a verbal or physical response, it’s ideal for infants, young children, or sedated patients.
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