基于小波滤波听觉注意的中潜伏期电位研究

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中图分类号：R339.16 文献标志码：A 文章编号：2095-2945（2025）27-0068-04

Abstract：Thestudyaimstoexploretheimpactofauditoryatention-basedwaveletfilteringonMidde-latencyAuditory EvokedPotentialsandimprovetheperformanceoftheauditorybrain-computerinterface（BCI）.Theexperimentrecruited8 healthyvoluntees，colectedtheirEEGsignalsbydesigningrandomswitchingbetweenconcentrationandrelaxation，andaplied band-passflteringandwaveletfiltering forpreprocessingandfeatureextraction.Using theclasificatonmethodcombining support vector machine（SVM） and linear classifier，the clasification accuracyrate of experimental data reaches 78.07% ， among whichtheaccuracyrateoffocusedstateisbeterthanthatofrelaxedstate.Theresultsdemonstratethatauditoryatention significantlymodulatesAuditoryEvokedPotentials（AEPs），andtheproposedmethodoferspracticalimplicationsforthe development and application of auditory BCI.

Keywords：auditoryatention;wavelet filtering;brain-computer interface;medium latencypotential;bandpas fltering

听觉诱发电位（AuditoryEvokedPotentials，AEPs）是大脑对听觉刺激的电生理反应，反映了大脑处理听觉信息的动态过程]。（剩余3235字）