Coexistence of tinnitus and hyperacusis in individuals with auditory dys-synchrony: A single case study.

Coexistence of tinnitus and hyperacusis in individuals with auditory dys-synchrony: A single case study.

Intractable Rare Dis Res. 2016 Feb;5(1):50-5

Authors: Megha KN, Adithya S, Keerthana KP, Konadath S

Abstract
Certain clinical pathologies affecting the ear and hearing mechanism may co-exist. It is necessary to probe in detail into such conditions so that the pathophysiology is well understood. This research paper through a single case study tries to explain the probable pathophysiology behind coexistence of three different clinical conditions namely auditory dys-synchrony, hyperacusis and tinnitus. These conditions are common in the clinics, but the coexistence of all the three is rare and demands explanation beyond what is available in the literature. The assumed model highlights involvement of the outer hair cell's motor function in the cochlea along with the auditory central gain mechanism to explain possible pathophysiology behind coexistence of the three conditions. This model will provide insight into the probable link between the contribution of peripheral and central structures of hearing in generating tinnitus and hyperacusis in individuals having auditory dys-synchrony.

PMID: 26989651 [PubMed]

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