Brainstem Auditory Evoked Response Audiometry Hearing Test
Brainstem Auditory Evoked Response Audiometry (BERA), is a diagnostic test used to evaluate a person’s hearing, especially in infants and young children who cannot provide feedback on their hearing ability. During the test, electrodes are placed on the scalp of the patient to record the electrical activity generated by the auditory nerve in response to sound stimulation. Sounds of different frequencies and intensities are played through earphones, and the responses are recorded by the electrodes. The recorded responses are, analyzed by a computer, which generates an auditory brainstem response (ABR) waveform. The ABR represents the electrical activity of the auditory nerve and brainstem in response to sound.
The results of the test can help diagnose hearing disorders such as hearing loss, auditory neuropathy, and auditory processing disorders. It can also provide information on the severity and type of hearing loss, which is crucial in determining appropriate treatment options.
Why doctors may recommend BERA test?
Doctors usually suggest BERA testing if the results of the Newborn Hearing Screening OAE test show a “Refer” outcome. Therefore, BERA is typically recommended after OAE for detecting hearing problems in newborns.
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