最小化皮质听觉诱发电位中的人工耳蜗刺激伪迹。
Minimization of cochlear implant stimulus artifact in cortical auditory evoked potentials.
作者信息
Gilley Phillip M, Sharma Anu, Dorman Michael, Finley Charles C, Panch Arunachalam S, Martin Kathryn
机构信息
School of Behavioral and Brain Sciences, Callier Advanced Hearing Research Center, The University of Texas at Dallas, 1966 Inwood Road, 75235, USA.
出版信息
Clin Neurophysiol. 2006 Aug;117(8):1772-82. doi: 10.1016/j.clinph.2006.04.018. Epub 2006 Jun 27.
OBJECTIVE
To compare two methods of minimizing cochlear implant artifact in cortical auditory evoked potential (CAEP) recordings.
METHODS
Two experiments were conducted. In the first, we assessed the use of independent component analysis (ICA) as a pre-processing filter. In the second, we explored the use of an optimized differential reference (ODR) for minimizing artifacts.
RESULTS
Both ICA and the ODR can minimize the artifact and allow measurement of CAEP responses.
CONCLUSIONS
When using a large number of recording electrodes ICA can be used to minimize the implant artifact. When using a single electrode montage an optimized differential reference is adequate to minimize the artifact.
SIGNIFICANCE
The use of an optimized differential reference could allow cortical evoked potentials to be used in routine clinical assessment of auditory pathway development in children and adults fit with cochlear implants.
目的
比较两种在皮质听觉诱发电位（CAEP）记录中最小化人工耳蜗伪迹的方法。
方法
进行了两项实验。第一项实验中，我们评估了使用独立成分分析（ICA）作为预处理滤波器的情况。第二项实验中，我们探索了使用优化差分参考（ODR）来最小化伪迹。
结果
ICA和ODR均可最小化伪迹并允许测量CAEP反应。
结论
使用大量记录电极时，ICA可用于最小化植入物伪迹。使用单电极组合时，优化差分参考足以最小化伪迹。
意义
使用优化差分参考可使皮质诱发电位用于对植入人工耳蜗的儿童和成人听觉通路发育进行常规临床评估。
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