The Configuration of Hearing Loss

The configuration or shape of the hearing loss refers to the extent of hearing loss at each frequency and the overall picture of hearing that is created. For example, a hearing loss that only affects high pitch sounds would be described as a high-frequency loss. Its configuration would show good hearing in the low frequencies and poor hearing in the high frequencies. On the other hand, if only the low frequencies are affected, the configuration would show poorer hearing for low tones and better hearing for high tones. Some hearing loss configurations are flat, indicating the same amount of hearing loss for both low and high tones.

 

Other descriptors associated with hearing loss are:

 

Bilateral versus Unilateral

Bilateral hearing loss means both ears are affected. Unilateral hearing loss means only one ear is affected.

 

Symmetrical versus Asymmetrical

Symmetrical hearing loss means that the degree and configuration of hearing loss are the same in each ear. An asymmetrical hearing loss is one in which the degree and/or configuration of the loss is different for each ear.

 

Progressive versus Sudden Hearing Loss

Progressive hearing loss is a hearing loss that becomes increasingly worse over time. A sudden hearing loss is one that has an acute or rapid onset and therefore occurs quickly, requiring immediate medical attention to determine its cause and treatment.

 

Fluctuating versus Stable Hearing Loss

Some hearing losses change; sometimes getting better, sometimes getting worse. Fluctuating hearing loss is typically a symptom of conductive hearing loss caused by ear infection and/or middle ear fluid.

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The Center for Hearing and Speech

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Houston, TX 77019
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