Brainstem auditory evoked response (BAER) is a test to measure the brain wave activity that occurs in response to clicks or certain tones.
Alternative NamesEvoked auditory potentials; BAEP - brainstem auditory evoked potentials; Evoked response audiometry
How the test is performedYou lie on a reclining chair or bed and remain still. Electrodes are placed on your scalp and on each earlobe. The earphones give off a brief click or tone. The electrodes pick up the brain's responses to these sounds and record them. You do not need to be awake for this test.
How to prepare for the testYou may be asked to wash your hair the night before the test.
How the test will feelThere is little discomfort.
Why the test is performedThe test is done to help diagnose nervous system problems and hearing losses (especially in low birth weight newborns), and to assess neurological functions.
Normal ValuesThe normal range for auditory brain stem values will vary among patients and with the instruments used.
What abnormal results meanAbnormal test results may indicate a hearing loss, multiple sclerosis, or stroke.
Additional conditions under which the test may be performed:
This test may also be performed during surgery to decrease the risk of injury to the auditory nerve and the brain.
What the risks areThere are no risks.
Get a brainstem auditory evoked response (BAER) test done by your vet.
The most effective method for conducting a cat deafness test is called the Brainstem Auditory Evoked Response (BAER) test. This test measures the electrical activity in the brain in response to sound stimuli, providing accurate results on a cat's hearing ability.
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