Tinnitus Articles

Saturday, November 21, 2009

Tinnitus

Tinnitus is a phenomenon of the nervous system connected to the ear, characterised by perception of a ringing or beating sound (often perceived as sinusoidal) with no external source. This sound may be a quiet ...  > full story

Auditory system

The auditory system is the sensory system for the sense of hearing. The sound waves enter the ear canal, a simple tube (but one which amplifies sounds that are between 3 and 12 kHz). At the far end of the ear canal ...  > full story

Hearing impairment

A hearing impairment is a decrease in one's ability to hear (i.e. perceive auditory information). While some cases of hearing loss are reversible with medical treatment, many lead to a permanent disability (often ...  > full story

Traumatic brain injury

Traumatic brain injury (TBI), traumatic injuries to the brain, also called intracranial injury, or simply head injury, occurs when a sudden trauma causes brain damage. With mild TBI, the patient may remain ...  > full story
 

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Science Video News


MP3 Players: How Loud Is Too Loud?

Loud, sustained sound can damage tiny hairs in the cochlea, and yet 80 percent of people listen to personal music devices at dangerous levels above. ...  > full story

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