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Tinnitus is the medical term for ringing in the ears. According to PDR Health, Tinnitus is,âa condition in which people hear constant or periodic sound not caused by an outside source. The sound can also be described as a ringing, buzzing, or clicking noise that occurs inside the head. Ringing in the ears can be heard in one or both ears, and in the head, and its pitch may be low or high.â.
19 January 2011âScientists say they can cure tinnitusâpersistent ringing in the earsâby pairing certain tones with stimulation of a nerve in the neck. Tinnitus is caused by noise damage to the sensory cells in the inner ear, or cochlea. This damage results in changes to the organization of the brainâs auditory cortex, a region that contains a frequency map of sounds. Damage to the inner ear causes a portion of this map to take over other parts of the cortex, causing the ringing.