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Published on Oct 2, 2016
Smoothed pink noise hyperacusis treatment . Hyperacusis is often coincident with tinnitus. Hyperacusis is a highly debilitating hearing disorder characterized by an increased sensitivity to certain frequencies and volume ranges of sound (a collapsed tolerance to usual environmental sound). A person with severe hyperacusis has difficulty tolerating everyday sounds, which become painful or loud. Pink noise can also be used to treat hyperacusis. By listening to broadband noise at soft levels for a disciplined period of time each day, patients can rebuild (i.e., re-establish) their tolerances to sound.
Symptoms Hyperacusis: Aural fullness (pressure in ear) Tinnitus. Sharp, dull, or burning pain localized deep in the ear induced by sound exposure. Pain can linger for days, weeks or longer after sound exposure. Pain radiating to outer ear, cheek, scalp, jaw, teeth, front portion of tongue, maxillary sinus and other areas innervated by the trigeminal nerve. Tickling or itching sensation in the ear. Autophony (own voice sounds boomy). Commonly caused by Patulous Eustachian Tube dysfunction (PET). Some consider this to be an associated symptom of Tonic Tensor Tympani Syndrome (TTTS). Muffled hearing and tympanic flutter. Symptoms commonly associated with TTTS. Headache. Unsteadiness or disordered balance. Distortion. Clicking, thumping, popping or crackling sounds near the ears. Can occur during specific actions such as when speaking or swallowing. Can also occur spontaneously. Stapedius myoclonus, tensor tympani myoclonus and palatal myoclonus are potential causes. Sore throat after sound exposure. Facial twitching from sound near eyes, cheek, or mouth.
The basic diagnostic test is similar to a normal audiogram. The difference is that additionally to the hearing threshold at each test frequency also the lowest uncomfortable sound level is measured. This level is called loudness discomfort level (LDL), uncomfortable listening level (UCL), or uncomfortable loudness level (ULL). In patients with hyperacusis this level is considerably lower than in normal subjects, and usually across most parts of the auditory spectrum.
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