Contralateral suppression of distortion product otoacoustic emissions: effect of the primary frequency in Dpgrams.
作者： Fawen Zhang , Flint A. Boettcher , Xiao-Ming Sun
DOI: 10.1080/14992020601164162
关键词:
摘要: The amplitude of the 2f1–f2 distortion product otoacoustic emission (DPOAE) can be suppressed by presenting contralateral acoustic stimulation. To test hypothesis that DPOAE suppression is influenced primary frequency in DPgrams, DPgrams were recorded at resolutions 1, 8, and 17 pts/octave, absence presence broadband noise (BBN). Participants 20 normal-hearing human adults. In with higher resolutions, peaks (8 pts/octave: Mean = − 0.92 dB, SD 0.71 for BBN 60 dB SPL; 0.25 to −1.44 0.51 0.86 40 70 SPL, respectively) was larger than dips 0.13 1.00; 0.03 −0.73 0.55 0.91). A intersubject variability observed dips. results suggest measuring suppressio...
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