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[Noise attenuation analysis on auditory evoked potential based on maximum length sequence].

Yun'er Chen1, Chang'an Zhan1, Xian Peng2

  • 1School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, P.R.China.

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi = Journal of Biomedical Engineering = Shengwu Yixue Gongchengxue Zazhi
|May 11, 2018
PubMed
Summary
This summary is machine-generated.

This study evaluated maximum length sequence (m-sequence) orders for auditory evoked potential (AEP) analysis. Results show AEPs are insensitive to m-sequence order, improving noise reduction for nonlinear AEPs.

Keywords:
auditory evoked potentialmaximum length sequencenoise attenuation

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Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Signal Processing

Context:

  • Auditory evoked potentials (AEPs) are crucial for assessing auditory pathway function.
  • Maximum length sequences (m-sequences) offer efficient, rapid stimulation for AEP analysis.
  • The influence of m-sequence order on noise attenuation in AEP studies requires further investigation.

Purpose:

  • To evaluate the effect of m-sequence order on noise attenuation in auditory evoked potential (AEP) analysis.
  • To compare noise attenuation performance using simulated and real AEP data across different m-sequence orders.
  • To determine the optimal m-sequence order for reliable AEP component extraction.

Summary:

  • This study investigated the impact of m-sequence order on noise attenuation for AEP analysis using simulated and real EEG data.
  • Noise attenuation ratios were examined for superimposed averaging and cross-correlation methods.
  • Results showed high similarity in AEP waveforms across different m-sequence orders, indicating robustness.

Impact:

  • Provides a comprehensive guide for selecting m-sequences in AEP research, particularly for nonlinear AEPs.
  • Enhances the feasibility and reliability of applying m-sequence methods to nonlinear AEP analysis.
  • Facilitates more accurate and efficient characterization of auditory system function.