Is rectal pain sensitivity a biological marker for irritable bowel syndrome: Psychological influences on pain perception William E. Whitehead, Olafur S. Palsson Gastroenterology Volume 115, Issue 5, Pages 1263-1271 (November 1998) DOI: 10.1016/S0016-5085(98)70099-X Copyright © 1998 American Gastroenterological Association Terms and Conditions
Fig. 1 Schematic model showing how cognitive/psychological, physiological, and methodological factors may interact to influence the threshold for pain produced by rectal distention. The model suggests that the threshold for pain influences the frequency and severity of clinical pain and the utilization of health care services by patients with IBS. Gastroenterology 1998 115, 1263-1271DOI: (10.1016/S0016-5085(98)70099-X) Copyright © 1998 American Gastroenterological Association Terms and Conditions