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The evoked potential measures the electrical responses of the nervous system to external stimulation. Because evoked responses are often small in amplitude and short in latency compared to EEG, techniques such as signal-averaging and repetitive stimulations are required to demonstrate responses. This section reviews the technical requirements and clinical uses of visual evoked potentials, brainstem auditory evoked potentials, and somatosensory evoked potentials.

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Evoked Potentials

  • 章节

  • 发表日期：

    2025年

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  • Mark Quigg,
  • Erika Axeen

摘要

The evoked potential measures the electrical responses of the nervous system to external stimulation. Because evoked responses are often small in amplitude and short in latency compared to EEG, techniques such as signal-averaging and repetitive stimulations are required to demonstrate responses. This section reviews the technical requirements and clinical uses of visual evoked potentials, brainstem auditory evoked potentials, and somatosensory evoked potentials.