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 ›› 1986, Vol. 18 ›› Issue (4): 74-78.

• • 上一篇    下一篇

CNV测听法及其改进

李兴启;顾瑞;梅世昌   

  1. 中国人民解放军总医院耳鼻咽喉科 ,中国人民解放军总医院耳鼻咽喉科 ,中国人民解放军总医院耳鼻咽喉科
  • 出版日期:1986-12-25 发布日期:1986-12-25
  • 通讯作者: 李兴启

CONTINGENT NEGATIVE VARIATION AUDIOMETRY

Li Xingqi;Gu Rui;Mei Shichang Laboratory of ENT, Postgraduate Medical College of PLA   

  • Published:1986-12-25 Online:1986-12-25

摘要： 有人已用伴发负变异测听(CNV-A)来测试听感受阈。本文对17例进行了CNV测试。测试音采用2000、4000H之纯音。结果表明,CNV反应阈与主观阈值之间的差值大约为-10～10dB。用2000Hz测试音,CNV-A与主观听阈的绝对值平均差及平均差分别为5.9±3.9dB和3.3±6.3dB。而用4000Hz测试音时,其CNV-A与主观听阈的绝对值平均差及平均差则分别是5.0±2.9dB和3.5±4.7dB。上述结果与Prevec(1981)报道的基本一致。表明,改进的 CNV-A是临床听力测试的有用方法。

关键词: NULL

Abstract: Contingent negative variation audiometry (CNV-A) has been usedto determine the threshold of perception of an auditory stimulus(Prevec et al., 1973). The present study measured CNV on 17 volunteerswith 2000,4000Hz pure tone. The results show that the range ofthreshold difference between CNV-A and subjective tonal audiometry(ADG) was about - 10～10dB. The mean value of the absolute differenceof the results between CNV-A and ADG was 5.9±3.9dB but the meandifference between the results of both methods was only 3.3±6.3dB at2000Hz. At 4000Hz, the mean value of the absolute difference and meandifference between CNV-A and ADG was 5.0±2.9dB, 3.5±4.7dB respecti-vely. The results indicate that the improved CNV-A is useful forclinical purposes.

Key words: NULL