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Hearing loss may have many different causes, but among those with tinnitus, the major cause is cochlear injury. [36] In many cases no underlying cause is identified. [2] [38] Ototoxic drugs also may cause subjective tinnitus, as they may cause hearing loss, [15] or increase the damage done by exposure to loud noise. [39]
Other symptoms include tinnitus (ringing in the ears), which is often accompanied by high-frequency hearing loss. High-frequency sensorineural hearing loss commonly has a gradual onset over a ...
Lewis explains that ear ringing can have many causes, but it is usually caused by some degree of hearing loss. Lewis and the Hearing Loss Association of America statistics note that 90% of people ...
In many cases, worsening, high-pitched tinnitus and hearing loss are linked to damage from noise exposure over time and can hit suddenly or worsen gradually, per a 2016 study in Noise & Health.
The effect of hearing loss on speech perception has two components. The first component is the loss of audibility, which may be perceived as an overall decrease in volume. Modern hearing aids compensate this loss with amplification. The second component is known as "distortion" or "clarity loss" due to selective frequency loss. [8]
Though the pathophysiology of tinnitus is not known, noise exposure can be a contributing factor, therefore tinnitus can be associated with hearing loss, generated by the cochlea and central nervous system (CNS). High frequency hearing loss causes a high pitched tinnitus and low frequency hearing loss causes a roaring tinnitus. [19]
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