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- S F Seltzer and J L Seltzer.
- Pain. 1986 Dec 1; 27 (3): 291-5.
AbstractChronic pain research tends to focus on responses to thresholds, tolerance, and discrimination involving painful stimuli. This investigation, however, examines responses of individuals with chronic pain to non-painful stimuli. Two-point thresholds were obtained from 19 chronic pain patients and 17 pain-free individuals. The chronic pain patients had a significantly higher two-point threshold, 40.3 mm (S.D., 15.0 mm) than that of the control group, which had a two-point threshold of 30.8 mm (S.D., 7.4 mm). The results indicate that chronic pain decreases tactual sensitivity to non-painful stimuli.
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