第二种技术依赖于诱发电位；根据它们的源头，诱发电位是一种可能与特定的刺激相关的脑电反应。
The second technique relies on evoked potentials, which are electrical brain responses that may be related to a particular stimulus because of where they originate.
背景：关联性负变是与精神医学和心理学关系最为密切的一种脑诱发电位。
BACKGROUND: Contingent negative variation (CNV) is a kind of cerebral evoked potential, which is closely related with mental medicine and psychology.
目的：关联性负变是一种重要的脑诱发电位。
OBJECTIVE: Contingent negative variation (CNV) is an important cerebral evoked potential.
结论：诱发电位检查对于肝硬化亚临床肝性脑病是一种客观而又敏感的方法。
CONCLUSION ep measurement seems to be a sensible and objective method for the evaluation of subclinical hepatic encephalopathy due to liver cirrhosis.
从被淹没在数十微伏的自发脑电背景中单次提取微伏级的视觉诱发电位，是脑-计算机接口的核心问题之一。
One of the key issues in a brain computer interface is to single-trial estimate the visual evoked potentials which embedded in ongoing spontaneous Electroencephalogram(EEG) background.
从被淹没在数十微伏的自发脑电背景中单次提取微伏级的视觉诱发电位，是脑-计算机接口的核心问题之一。
One of the key issues in a brain computer interface is to single-trial estimate the visual evoked potentials which embedded in ongoing spontaneous Electroencephalogram(EEG) background.
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