2018
DOI: 10.1080/14992027.2018.1534010
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Effects of noise exposure on auditory brainstem response and speech-in-noise tasks: a review of the literature

Abstract: Objective: Short-term noise exposure that induces transient changes in thresholds has induced permanent cochlear synaptopathy in multiple species. Here, the literature was reviewed to gain translational insight into the relationships between noise exposure, ABR metrics, speech-in-noise performance and TTS in humans. Design: PubMed-based literature search, retrieval and review of full-text articles. Study Sample: Peerreviewed literature identified using PubMed search. Results: Permanent occupational noise-induc… Show more

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Cited by 69 publications
(53 citation statements)
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References 212 publications
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“…Although the results of this single study do not exclude the possibility of small or moderate effects of noise exposure on ABR measures (e.g. the CIs are compatible with wave amplitude reductions of ~ 10% for a tenfold increase in lifetime noise exposure), they add to the results of the majority of studies on the topic, that have failed to find an effect of lifetime noise exposure on ABR amplitude and latency measures (see Bramhall, Beach, Epp, Le Prell, Lopez-Poveda, Plack, Schaette, Verhulst, Canlon, 2019 , Le Prell, 2019 , for reviews).…”
Section: Discussioncontrasting
confidence: 54%
“…Although the results of this single study do not exclude the possibility of small or moderate effects of noise exposure on ABR measures (e.g. the CIs are compatible with wave amplitude reductions of ~ 10% for a tenfold increase in lifetime noise exposure), they add to the results of the majority of studies on the topic, that have failed to find an effect of lifetime noise exposure on ABR amplitude and latency measures (see Bramhall, Beach, Epp, Le Prell, Lopez-Poveda, Plack, Schaette, Verhulst, Canlon, 2019 , Le Prell, 2019 , for reviews).…”
Section: Discussioncontrasting
confidence: 54%
“…Along with the degeneration of cochlear nerve fibers, there is simultaneous degeneration within the central nervous system [ 30 ]. Because hair cells in mammalian species do not regenerate, once hair cells are destroyed, ONIHL is present permanently, regardless of the pathway of hair cell destructions [ 85 ].…”
Section: Resultsmentioning
confidence: 99%
“…Using ABR wave I amplitude as an indicator of synaptopathy is further complicated by the fact that high frequency OHC loss also reduces the wave I ABR amplitude by decreasing the contribution of high frequency AN fibers to the ABR generation (e.g., Lewis et al 2015;Verhulst et al 2016). In addition, it must be remembered that the OHCs provide significant level-dependent amplification of the cochlear response, and loss of the OHCs decreases the input to the IHCs (Dallos et al 2006; for recent review see Le Prell 2019). This makes it difficult to use ABR wave I amplitude to diagnose synaptopathy when OHC dysfunction is also present.…”
Section: The Range Of Exposures Inducing Selective Cochlear Synaptopamentioning
confidence: 99%