Pain-evoked potentials: what do they really measure?

  title={Pain-evoked potentials: what do they really measure?},
  author={Ruth Zaslansky and Elliot Sprecher and Yeshayahu Katz and Boris Rozenberg and Jeshaiahu Hemli and David Yarnitsky},
  journal={Electroencephalography and clinical neurophysiology},
  volume={100 5},
Cerebral evoked potentials (EPs) in response to painful stimuli have been recorded since the 1970s. Based on the apparent relationship of the response amplitude to intensity of stimulation, these potentials are conventionally interpreted as reflecting the sensory-discriminative aspects of pain. As such, pain-EPs provide an objective measure for sensation of pain. An alternative interpretation regards the pain-EP as comprised of at least two overlapping components, one pain-specific, the other… CONTINUE READING

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