Abstract
Auditory Neuropathy and Spectrum of Disorder !$£ from a Audiological Perspective- A Rare Case Series
Highlights
Auditory neuropathy is a condition in which the transmission of the auditory signals from the inner ear to the auditory nerve and auditory brainstem is distorted
Though the degree of hearing loss is difficult to establish due to their inconsistent responses it can vary from normal to profound hearing loss
The clinical manifestation of auditory neuropathy varies greatly between patients depends on the aetiology
Summary
Auditory neuropathy is a condition in which the transmission of the auditory signals from the inner ear to the auditory nerve and auditory brainstem is distorted. A typical person with auditory neuropathy has elevated pure tone thresholds, poor speech discrimination scores, absent acoustic reflexes, absent or abnormal auditory brainstem response and present otoacoustic emissions or cochlear microphonics [1]. Pure tone audiometry results usually show bilateral deficits but unilateral hearing loss can be present [2]. There is a high variability in the configuration of the audiogram. Configuration can be flat, reverse sloping, irregular saw tooth pattern etc [3]. Speech perception ability is disproportionate with their PTA results especially in the presence of background competing noise [4]
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