Pain: an unpleasant topic.

  title={Pain: an unpleasant topic.},
  author={Howard L Fields},
  volume={Suppl 6},
This essay is an attempt to clarify the construct of unpleasantness in the context of the psychophysics of pain. The first critical point is that one aspect of unpleasantness is tightly coupled to stimulus intensity and is therefore a sensory discrimination. Pain has this quality, but so do other somatic sensations such as itch and dysesthesias that are not recognized as painful by most people. A corollary of this is that pain must have a quality other than unpleasantness that allows it to be… CONTINUE READING