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Callier Center for Communication Disorders

Hearing Evaluations for Adults

Audiologists at the UT Dallas Callier Center perform the following audiological evaluations for adults.

Comprehensive Hearing Evaluation
Auditory Brainstem Response (ABR) Test
FM System
Tinnitus and Hyperacusis

Comprehensive Hearing Evaluation

This evaluation consists of:

  • Pure tone thresholds.
  • Word recognition evaluation.
  • Tympanometry and acoustic reflex thresholds.
  • Otoacoustic emissions.

Based on the results of the evaluation, recommendations will be made to treat the hearing loss or the communication problems that result from the loss. We will also provide a medical referral if needed.

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Auditory Brainstem Response (ABR) Test

This test is performed for adults when the results from the comprehensive hearing evaluation suggest neurological involvement. 

To perform an ABR:

  • Electrodes are attached to the ears and scalp.
  • Sounds are delivered to the ears.
  • A computer extracts the part of the patient’s brain activity that is related to hearing. 

The ABR test can effectively measure the response of the hearing nerve and brainstem pathways objectively. Based on the results of this test  a medical referral may be warranted.
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FM System

An FM system is a device usually used in conjunction with hearing aids.

It is designed to overcome the negative effects of background noise and distance for an individual with hearing loss. 

During this appointment, FM equipment is explained and demonstrated for the patient. 

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Tinnitus and Hyperacusis

Individuals who have serious problems with tinnitus (ringing and other head noises) and hyperacusis (hyper-sensitivity to sound) may be seen at the Callier Center for evaluation and treatment if indicated. 

Evaluation consists of a comprehensive hearing evaluation and a tinnitus evaluation and directive counseling.

The Callier Center also provides a treatment program that generally lasts 18-24 months. During this time, the way the brain handles the tinnitus or intensity of sound is gradually altered via the use of low levels of sound.

The center provides treatment using either Tinnitus Retraining Therapy or Neuromonics Tinnitus Treatment. Both treatment options emphasize tinnitus, but they have components for hyperacusis. While both are sound therapies, there are significant differences in their approaches that might make one or the other more appropriate for an individual patient.

If tinnitus is the major complaint, success and graduation from the program occurs when the patient no longer views tinnitus as a problem, when the patient reports experiencing long periods of time when they are no longer aware of the tinnitus, and when, if tinnitus is heard, it is no longer bothersome.

If hyperacusis is the main complaint, success and graduation from the program occurs when the patient no longer experiences discomfort in everyday listening environments and can resume normal activities.

For more information about tinnitus and loudness discomfort issues, you may visit the following Web sites:

The Dallas Clinical Trial on Vagus Nerve Stimulation for the Treatment of Tinnitus - UT Dallas Callier Center and UT Southwestern Medical Center's research study

American Tinnitus Association
Hyperacusis Network

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