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- D E DeGood, W R Stewart, L E Adams, and J A Dale.
- Department of Anesthesiology, University of Virginia Health Sciences Center.
- Percept Mot Skills. 1994 Dec 1; 79 (3 Pt 1): 1399-409.
AbstractThe reactivity of surface paraspinal EMG was contrasted among groups of (1) patients seeking treatment for chronic back pain, (2) nonpatients reporting chronic back pain, and (3) healthy controls. The EMG response to the personally relevant stressor (all stimuli were 1 min.) tasks was greater for the patient group relative to the other two groups. However, the patients' magnitude of response elicited by the control task was nearly equal to that of the personally relevant task, suggesting that the task demand to "describe a recent event" may be the "personally relevant" stressor component rather than the emotional valence attached to the content of that description.
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