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Query: UMLS:C0848237 (acute stress)
 4,619 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This study evaluated the role of stress disregulation in tension headache. Two headache groups, a low-life stress group (N = 12) and a high-life stress group (N = 12), that represented different probable etiologies within the disregulation model were compared to analogous control groups. Subjects were selected after screening 441 undergraduate students. Measures of frontalis EMG and self-report acute stress were obtained at multiple intervals during a series of four laboratory stress tasks. Data supported the disregulation model as determined by replication of the significantly different correlations between self-report acute stress and EMG for the headache versus control groups reported by Hovanitz and co-workers (1989), and by several new within-group and within-individual analyses. Curiously, disregulation was found for acute and life stress but not for the intermediate level of daily hassle stress. These data are presented as support for a reformulation of Schwartz' disregulation model.
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PMID:Tension headache: disregulation at some levels of stress. 207 38

The purpose of this study was twofold: (1) to evaluate the role of disregulation in tension headache and (2) to demonstrate how disregulation may lead to erroneous inferences about the etiological role of stress in tension headache. A headache group (N = 25; ages 18 to 30) and a control group (N = 25; ages 10 to 25) matched for sex and roughly equated for psychopathology and self-report life stress was selected after screening 1219 undergraduate students. Measures of self-reported acute stress and headache status, vigilance performance, frontalis EMG, and peripheral temperature were obtained. Both groups were assessed before, during, and after a stressful hour-long vigilance task. The results provide the frequently sought but rarely, if ever, obtained support for Schwartz's disregulation model. As disregulation was apparent with respect to both self-report acute stress and life stress, the results also suggest that reliance on self-report measures of life stress in studies of the physical outcomes of life stress may conceal the process by which life events results in physical dysfunction.
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PMID:Complexities in life stress-dysfunction relationships: a case in point--tension headache. 274 43