Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"Permanent threshold shift"”.
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The Effect of Cockpit Noise on the Temporary Threshold Shift of Cessna 172SP Flight Instructors
… of this thesis was to study the temporary threshold shift of general aviation flight instructors resulting from their working environment. Exposure to noise before a temporary threshold shift completely recovers can cause a permanent threshold shift with no possibility of recovery, …
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Cochlear neuropathy : detection using envelope following responses and Impacts on central auditory coding
… of AN fibers without causing hair cell damage or permanent threshold shift. This neuropathy is undetectable by standard clinical examination, but post-mortem evidence suggests that it is widespread in humans. Its impact on suprathreshold hearing ability is likely profound, but is not well …
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Hearing protection in mines : evaluating the Noise Clipper® custom made hearing protection device
… is seldom focused on the critical/biological thresholds for temporary threshold shift. Field studies on hearing protection devices have demonstrated that laboratory derived measures bear little relation to attenuation achieved in workers. Research has consistently demonstrated that noise …