Transient otoacustic emissions with tone pip in individuals with sensorineural hearing loss

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Transient otoacustic emissions with tone pip in individuals with sensorineural hearing loss.

UNLABELLED Otoacoustic Emissions are generated by the cochlea in response to sound stimuli. They can be generated by clicks or specific frequency stimuli, such as tone pips. This is a quick and objective test with several applications. OBJECTIVE To investigate the influence of the type of stimulus achieving otoacoustic emissions in individuals with mild and moderate sensorineural hearing loss...

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INTRODUCTION Behavioral and electrophysiological auditory evaluations contribute to the understanding of the auditory system and of the process of intervention. OBJECTIVE To study P300 in subjects with severe or profound sensorineural hearing loss. METHODS This was a descriptive cross-sectional prospective study. It included 29 individuals of both genders with severe or profound sensorineur...

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Otoacoustic Emissions in Sudden Sensorineural Hearing Loss: Changes of Measures with Treatment

Introduction: To identify changes in OAEs parameters in treatment course of idiopathic sudden sensorineural hearing loss (iSSNHL). Materials and Methods: In aprospective studyfromAugust 2005 to January 2009, 26 patients with iSSNHL underwent conventional audiometry/tympanometry and two types of OAEs (TEOAEs and DPOAEs) before and after the completion of standard drug therapy.The changes in p...

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Pure-tone octave masking in listeners with sensorineural hearing loss.

Pure-tone octave masking was investigated in 14 listeners with sensorineural hearing loss to examine the hypothesis that the sensorineural ear introduces abnormal harmonic distortion. Thresholds for a test signal at f2, masked by a masking signal at fl, (where fz = 2fl ) were obtained as a function of the level of the fl masker for four different ft frequencies (250, 500, 1000, and 2000 Hz) and...

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Physiological studies have shown that noise-induced sensorineural hearing loss (SNHL) enhances the amplitude of envelope coding in auditory-nerve fibers. As pitch coding of unresolved complex tones is assumed to rely on temporal envelope coding mechanisms, this study investigated pitch-discrimination performance in listeners with SNHL. Pitch-discrimination thresholds were obtained for 14 normal...

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ژورنال

عنوان ژورنال: Brazilian Journal of Otorhinolaryngology

سال: 2011

ISSN: 1808-8686

DOI: 10.1590/s1808-86942011000500014