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Paper Details

Tinnitus Origin: A Brief Review of Theories

Tinnitus Origin: A Brief Review of Theories

Sirvan Najafi, Kamran Ghaderi, Negar Azizi and Abdosalam Mirani

Journal Title:Acta Scientific Otolaryngology
Abstract


Tinnitus is the feeling of sound in the ear(s) or head, without external physical origin [1]. The otologic and non-otologic factors may contribute to tinnitus; however, the cause of tinnitus is un-known in approximately 30% of cases [2,3]. The most common type of tinnitus is subjective tinnitus, in which the sound can be perceived merely by the patient [2]. The tinnitus prevalence of in different studies varies according to reasons such as the exact defi-nition of tinnitus, data collection method, etc