Sirvan Najafi1*, Kamran Ghaderi2, Negar Azizi3 and Abdosalam Mirani3
1Department of Audiology, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
2Department of Audiology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
3Department of Audiology, Tehran University of Medical Sciences, Tehran, Iran
*Corresponding Author: Sirvan Najafi, Department of Audiology, University of Social Welfare and Rehabilitation Sciences, Evin, Tehran, Iran.
Received: June 11, 2021; Published: June 29, 2021
Tinnitus is the feeling of sound in the ear(s) or head, without external physical origin . The otologic and non-otologic factors may contribute to tinnitus; however, the cause of tinnitus is unknown 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 . The tinnitus prevalence of in different studies varies according to reasons such as the exact definition of tinnitus, data collection method, etc .
Citation: Sirvan Najafi., et al. “Tinnitus Origin: A Brief Review of Theories". Acta Scientific Otolaryngology 3.7 (2021): 82-83.
Copyright: © 2021 Sirvan Najafi., et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.