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Vestibular test findings in individuals with auditory neuropathy: review

Published online by Cambridge University Press:  22 March 2013

S K Sinha ,
A Barman ,
N K Singh ,
G Rajeshwari  and
R Sharanya
S K Sinha*
Affiliation:
Department of Audiology, All India Institute of Speech and Hearing, Mysore, India
A Barman
Affiliation:
Department of Audiology, All India Institute of Speech and Hearing, Mysore, India
N K Singh
Affiliation:
Department of Audiology, All India Institute of Speech and Hearing, Mysore, India
G Rajeshwari
Affiliation:
Department of Otorhinolaryngology, All India Institute of Speech and Hearing, Mysore, India
R Sharanya
Affiliation:
Department of Audiology, All India Institute of Speech and Hearing, Mysore, India
*
Address for correspondence: Dr S K Sinha, Department of Audiology, All India Institute of Speech and Hearing, Mysore, Karnataka, India - 570006 Fax: +91 821 2510515 E-mail: [email protected]
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Abstract

Background:

The vestibulocochlear nerve is a sensory nerve that serves the organs of hearing and equilibrium. Neuropathies of the nerve, particularly auditory neuropathy, may be caused by primary demyelination or axonal disease. Cochlear amplification function is normal in cases of auditory neuropathy, but afferent neural conduction in the auditory pathway is disordered. It is highly probable that the vestibular nerve has some involvement in disorders affecting the cochlear nerve.

Objective:

To provide an overview of vestibular test findings in individuals with auditory neuropathy.

Method:

A structured literature search was carried out, with no restrictions to the dates searched.

Conclusion:

Auditory neuropathy implicated the vestibular branch of the VIIIth cranial nerve as well as the cochlear nerve. However, there was variability in terms of vestibular test findings.

Keywords

Auditory NeuropathyVestibular NerveCochlear NerveVestibular Evoked Myogenic Potentials
Type
Review Articles
Information
The Journal of Laryngology & Otology , Volume 127 , Issue 5 , May 2013 , pp. 448 - 451
Copyright
Copyright © JLO (1984) Limited 2013 

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