摘要
目的:探讨清醒和睡眠状态对听性稳态反应(ASSR)阈值的影响。方法:选正常青年人15例(30耳)行ASSR测试。ASSR参数:载波频率(CM)为0.5、1.0、2.0、3.0、4.0、6.0kHz,调制频率(FM)为46、81Hz。被检测者分别为清醒和睡眠状态。结果:清醒状态下,FM为46Hz时,ASSR反应阈值明显低于81Hz调频(P<0.01);睡眠状态下,CM≥2kHz,FM为81Hz时,ASSR反应阈值低于46Hz调频(P<0.05),其阈值更接近纯音听阈值。结论:ASSR测试时应根据受试者不同状态选用不同调频参数。清醒状态时选用低调频(如46Hz),睡眠状态时选用高调频(如81Hz),其测试值更接近实际听阈值。
Objective：To explore the difference of the threshold of auditory steady-state evoked responses （ASSR） in awake and sleeping.Method：Fifteen adults （30 ears）with normal hearing were selected to ASSR test. ASSR parameters： carrier frequency （CM）are 0.5,1.0,2.0,3.0,4.0,6.0 kHz, modulation frequency（FM） are 46、81 Hz. The test was performed in two different status （in awake and sleeping）.Result：In awake ,the thresholds of ASSR with FM of 46 Hz are significantly lower than 81 Hz（P〈0.01）;In sleeping,the thresholds of ASSR with FM of 81 Hz are lower than 46 Hz above 2 kHz CM（P〈0.05）,which thresholds were close to pure tone.Conclusion：To select low modulate（46 Hz） frequency in awake, and use high modulate（81Hz）frequency in sleeping. When perform ASSR test, the test values are closer to the actual hearing threshold.
出处
《临床耳鼻咽喉头颈外科杂志》
CAS
CSCD
北大核心
2011年第1期11-13,共3页
Journal of Clinical Otorhinolaryngology Head And Neck Surgery
基金
广东省科技厅科技支撑计划项目(No:20061040023)
关键词
清醒
睡眠
听性稳态反应
阈值
awake
sleeping
auditory steady-state evoked responses
thresholds
