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A hearing test is the evaluation of a person's sense of hearing performed by an audiologist. It is usually administered to a person by having them sit in a soundproof booth with a large set of headphones over the ears. The headphones are able to produce tones at specific and exact frequencies to each ear independently. The audiologists plots the loudness (in decibels) each tone must be raised to before the test recipient is able to hear it. The person getting a hearing test usually conveys that they have heard the tone to the tester by either raising their hand or pressing a button. As the test progresses, the audiologist plots points on a graph where the loundness is on the x-axis and the freqency on the y-axis. Once each freqency of normal hearing ability is tested and plotted the points are joined by a line so that one can see at a glance the frequencies a person is not hearing normally and the severity of the deviation from the norm.

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Topics: Hearing Test, Hearing Impairment, Hearing (sense), Hearing Dog...

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Hearing dogHearing dogs are a category of Assistance dogs that are especially selected and trained to assist people who are deaf or hard-of-hearing. Hearing Dogs assist their handlers become aware of important sounds such as doorbells, smoke alarms, passing traffic,	Hearing aidA hearing aid is a device used to help the hard-of-hearing hear sounds better. In the past, a funnel-like amplification cone, called an "ear trumpet" or "ear horn", was used. Now, however, the most common style is a small electronic device that fits into	Hearing (person)A hearing person is one whose hearing ability is close to or at the medical norm. Being the norm, it is not usually considered or discussed except in relation to deaf or hard-of-hearing persons. A hearing spcialist is called an audiologist. It is this spe
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