The Auditory Brainstem Response (ABR) test can screen for deafness or hearing loss in infants, allowing for early diagnosis and rehabilitation. The ABR measures electrical activity in the brainstem in response to clicks or tones. It is useful for objectively assessing hearing thresholds in adults and children, including infants. The ABR provides a screening tool for identifying deafness in newborns and high-risk infants.

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2. Auditory Brainstem Response Testing(ABR)
The Auditory Brainstem Response test can be used as a screening test for deafness
or people with hearing loss in high-risk infants. Early diagnosis and rehabilitation will
reduce disability in these children. The ABR is considered to be an exogenous
response because it is fully dependent upon the external factors.
Brainstem evoked response audiometry is a useful assessment technique of hearing.
A major advantage of this procedure is its ability to test even infants.

3. Click-Auditory Brainstem Response Testing(ABR)
The sound of clicks alert the whole cochlear, it has been found that the ABR
thresholds obtained by clicks match the behavioral thresholds only at high
frequencies (2000-4000).
The result concludes, and despite the fact that the click excites the entire cochlear
partition, the ABR as recorded from the scalp represents activity from the cochlear
region in between 2800-4000 Hz with less contribution from 2000 Hz region.

5. ABR for Children
Auditory Brainstem Response can also be used as a screening test in newborn
hearing screening tests.
Use of Electrodes:The electrodes are used to record BERA and always help to
give proper output, It should be placed over the scalp, the scalp hair should he oil
free.
Use of BERA:Auditory brainstem response is a valuable objective measure of
hearing.

6. Conclusion
Auditory Brainstem Response is a useful tool in identifying deafness in neonates. It
can also be used as a screening tool for prior evaluation of deafness in high-risk
infants. The ABR also gives a reasonable and accurate proper assessment of
hearing threshold levels objectively when used in adults.
When used with speech stimuli it helps in the identification of complex auditory
disorders involving auditory processing areas of the brain.

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