中文摘要：

目的比较短声和短音诱导的SP—AP电位。方法20只豚鼠分为2组，每组10只，分别采用短声和短音刺激，用圆窗电极记录SP—AP复合波。结果两种刺激声都能较好地诱导出SP-AP复合波。在1、2、4、8kHz短音诱导的SP—AP波形较好，刺激声强度为100dBSPL时，各频率短音诱导的SP波振幅分别为-13．56±8．7、-16．61±10．53、-10．13±14．75、-3．714-14．49μv；短声诱导的SP波振幅为-4．44±10．81μv。结论短音能成功诱导出SPAP波，且具有频率特异性。

英文摘要：

Objective To compare the characteristics of the SP-AP compound wave elicited by click and tone pip. Methods The electrocochleogram was recorded with round window electrode, and waves were elicited by click and tone pips, respectively. Results The SP-AP compound waves were elicited 1,2,3,4 and 8 kHz tone pip and click. The amplitude of SP at each frequency was -13. 56±8. 7, -16. 61±10. 53,-10. 13±14. 75, -3. 71±14.49,-2.99±5.4 and -4.44±10.81 μv, respectively. Conclusion Tone pip at 1,2,3, 4, 8 kHz can elicit SP, and produce frequency specific SP wave. This is helpful to identify the lesion site of auditory neuropathy.