ISSN 0439-755X
CN 11-1911/B
主办:中国心理学会
   中国科学院心理研究所
出版:科学出版社

心理学报 ›› 2003, Vol. 35 ›› Issue (03): 393-396.

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短声强度为95dB时猫的两耳听现象

安玉香,汤浩,聂莹雪,韩宝财   

  1. 沈阳医学院病理生理教研室,沈阳110034
  • 收稿日期:2002-09-06 修回日期:1900-01-01 发布日期:2003-05-30 出版日期:2003-05-30

BINAURAL HEARING AT 95dB CLICK OF CAT

An-Yuxiang,Tang-Hao,Nie-Yingxue,Han-Baocai   

  1. Department of Pathophysiology, Shenyang Medical College, Shenyang, China 110034
  • Received:2002-09-06 Revised:1900-01-01 Online:2003-05-30 Published:2003-05-30

摘要: 研究短声强度为95 dB时猫的两耳听现象,探讨两耳干涉作用和交叉听力在听觉脑干电反应(ABR)上的表达。以ABR为检测指标,观察和比较耳蜗破坏前后对侧耳负荷75dB SWN时95dB短声诱发的ABR各波振幅的变化。结果:⑴耳蜗破坏前对侧耳负荷的75dB SWN可使95dB短声诱发的ABR之pⅢ、pⅣ波振幅增大(p<0.01)。⑵耳蜗破坏后对侧耳负荷的75dB SWN对95dB短声诱发的ABR各波振幅无影响(p>0.05)。⑶耳蜗破坏前对侧耳负荷75dB SWN时95dB短声诱发的ABR之pⅣ波振幅比耳蜗破坏后95dB短声诱发的ABR之 pⅣ减小(p<0.05)。结论:短声强度为95dB时,交叉听力现象在ABR之pⅢ、pⅣ波上均有表达,与75dB SWN产生的两耳干涉作用仅在ABR之 pⅣ波有表达

关键词: 两耳干涉作用, 交叉听力, 两耳听现象, 听觉脑干电反应

Abstract: To observe the expression of binaural hearing at high intensive click on the auditory brainstem responses (ABR) in cats,so as to explore the effects of cross—hearing produced by 95dB click on the checked ear and the interference produced by steady white noise(SWN) and the click on binaural ears.〔Method〕 Take the amplitude of ABR for detective index,to observe and to compare the change of amplitude of ABR evoked by 95dB click when contralateral ear was loaded by 75dB SWN between before and after the damage of the cochlea.〔Result〕⑴ we found the 75dB SWN can increase the amplitude of the wave pⅢ and wave pⅣ of ABR evoked by 95dB click obviously before the damage of the cochlea(p<0.01=.⑵after the cochlea was damaged the 75dB SWN had no effect on the amplitude of ABR evoked by 95dB click(p>0.05).⑶before the cochlea was damaged the amplitude of wave pⅣ of ABR evoked by 95dB click when contralateral ear was loaded by 75dB SWN less then after the cochlea was damaged the amplitude of wave pⅣ of ABR evoked by 95dB click (p<0.05=. 〔Conclusion〕The cross—hearing had an expression on the wave pⅢ and wave pⅣ of ABR and the binaural interference produced by the 95dB click with 75dB SWN only had expression on wave pⅣ of ABR when the intensity of click was at 95dB

Key words: binaural interference, cross-hearing, binaural hearing, auditory brainstem responses (ABR)

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