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Tinnitus

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tinnitus

[′tin·əd·əs]
(medicine)
A ringing, roaring, or hissing sound in one or both ears.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Tinnitus

 

a noise in the ears, a sensation arising in the absence of external acoustic stimuli. Tinnitus can occur in one ear or both ears.

Physiological tinnitus sometimes occurs under conditions of complete silence; it is due to the sensation of blood flowing in the small capillaries of the inner ear. In contrast, pathological tinnitus, usually accompanied by impairment of hearing, is caused by diseases of the middle or inner ear or auditory nerve, by intoxication with an industrial chemical (mercury, arsenic, phosphorus, lead), or by some drugs. Differences in the intensity and nature of the noise (buzzing, ringing, whistling) are diagnostic clues.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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References in periodicals archive
The Expo will feature presentations from renowned tinnitus experts, taster sessions of Tai Chi, Mindfulness-based CBT and reflexology and the chance for a one-to-one advice session with a member of the skilled BTA team as well as many other sessions.
Hearing Aids Many seniors with tinnitus also have some degree of hearing loss that prevents the full spectrum of external sound stimuli from reaching the brain.
Regular tinnitus is thought to be caused by a disconnect between the sounds the ears hear and the way the brain interprets them, but pulsatile tinnitus is all down to your heartbeat.
There have, maybe understandably, been some high profile musicians who complain of tinnitus - including Chris Martin of Coldplay, The Who's Pete Townshend and Bob Dylan.
"People who suffer from tinnitus hear sounds that their friends and family don't hear, so it can be frustrating for them to explain what they're hearing, " said Shelley Borgia, LipoFlavonoid's chief audiologist.
According to the American Speech-Language-Hearing Association, primary tinnitus may present with hearing loss or with no identifiable cause.
"Tinnitus is a frustrating condition that produces a constant sound in one or both ears," says Dr Sarah Brewer, medical director at Healthspan (Healthspan.com).
Often described as a ringing, whooshing or hissing in the ears, tinnitus can be triggered by being overexposed to loud noises such as music.
Subjective tinnitus is characterized by the perception of sound in the ears or head when there is no corresponding external stimulus.
Long-term exposure to loud sounds can cause permanent hearing damage - one symptom is tinnitus. Something as mundane as earwax blockage can cause ringing in the ears.
Tinnitus (pronounced ti-ni-tis), or ringing in the ears, is the sensation of hearing ringing, buzzing, hissing, chirping, whistling, or other sounds.
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