In this review the authors discuss the physiopathologic and electrophysiologic changes of the inner ear in Meniere's disease, otosclerosis, ototoxicity, acoustic neuroma, presbycusis, noise-induced hearing loss, metabolic hearing loss, perilymphatic fistula, syphilis, autoimmune inner ear disease, congenital genetic hearing loss, and viral labyrinthitis. The etiology and pathogenesis of hearing losses are generally not well established; and the significance of inner ear changes in hearing losses are not exactly known. The explanations provided are usually not satisfactory. The real answers are hidden within the mystery of the ear. [Journal of Turgut Özal Medical Center 1997;4(3):319-328]
Key Words: Electrophysiology, hearing disorders, sensorineural-conductive-high frequency-noise induced- partial hearing loss, labyrinth
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