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Amplification and Dead Regions in the Cochlea
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Option(s):
Audio CD and Manual, Additional Manual(s)
Author(s):
Brian C. J. Moore, MA, PhD,F.Med.Sci, FRS
Description:
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Regions of the cochlea where there are no functioning inner hair cells and/or neurons, known as dead regions, have important implications for the fitting of hearing aids. Basilar membrane vibration in such regions is not transduced and does not lead to action potentials in the auditory nerve. This audio self-study describes the audiogram configurations that may be associated with dead regions and describes the application of the TEN test, which can be used to detect dead regions and to define their extent. Clinical applications of the results, including applications in fitting hearing aids, are discussed.
Learning Outcomes
You will be able to:
- identify audiograms that may indicate the presence of dead regions
- select appropriate levels and frequencies to use in the TEN test
- apply the TEN test
- assess the outcome of the TEN test to choose appropriate amplification for the client
- examine the outcome of the TEN test to counsel the client
 View the Table of Contents [PDF]
Group purchasesadditional manuals
Continuing Education:
Date(s):
7/30/2007 to 6/19/2010
CEUs:
0.2
Instructional
Level:
Intermediate
Item #(s):
0112708, 0112709
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