Noxious and innocuous cold discrimination in humans: evidence for separate afferent channels

@article{Chen1996NoxiousAI,
  title={Noxious and innocuous cold discrimination in humans: evidence for separate afferent channels},
  author={Chao-Chen Chen and Pierre Rainville and M. Catherine Bushnell},
  journal={Pain},
  year={1996},
  volume={68},
  pages={33-43}
}
The present study evaluated the ability of humans to discriminate temperature decreases in the noxious and innocuous cold range. Two groups of five subjects detected changes in cold stimuli applied to the maxillary face. For five subjects, adapting temperatures of 22 degrees, 16 degrees, 6 degrees and 0 degrees C were used, and thresholds for detecting temperature decreases were determined using an adaptive psychophysical paradigm. Visual analogue scale (VAS) ratings of cold and pain sensation… CONTINUE READING

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