Hidden hearing loss selectively impairs neural adaptation to loud sound environments.

1a ), supra-threshold amplitudes of wave I of the ABR (in response to 50-μs clicks) remained low and showed significantly shallower growth with sound intensity, compared to pre-exposure values (repeated measures analysis of variance (ANOVA) for pre-exposure and 4-week post-exposure data showed a significant effect of group, p = 0.043, and a highly significant interaction between time of measurement and sound intensity, p = 0.0001; Fig. 1b ).

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