Unraveling the Relationship between Trait Negative Affectivity and Habitual Symptom Reporting

被引:27
作者
Bogaerts, Katleen [1 ]
Rayen, Liselotte [1 ]
Lavrysen, Ann [2 ]
Van Diest, Ilse [1 ]
Janssens, Thomas [1 ]
Schruers, Koen [3 ]
Van den Bergh, Omer [1 ]
机构
[1] Univ Leuven, Leuven, Belgium
[2] Univ Leuven, Movement Control & Neuroplast Res Grp, Leuven, Belgium
[3] Maastricht Univ, Sch Mental Hlth & Neurosci, Maastricht, Netherlands
来源
PLOS ONE | 2015年 / 10卷 / 01期
关键词
MEDICALLY UNEXPLAINED SYMPTOMS; SUBJECTIVE HEALTH COMPLAINTS; HYPNOTIC RESPONSIVENESS; PSYCHOSOMATIC SYMPTOMS; SOMATIC COMPLAINTS; ABSORPTION; FIBROMYALGIA; HYPNOTIZABILITY; SUSCEPTIBILITY; SOMATIZATION;
D O I
10.1371/journal.pone.0115748
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Objective In two studies, we aimed at further elucidating the relationship between trait negative affectivity (NA) and habitual symptom reporting (HSR) by relating these variables to measures of executive function, trait questionnaires, and effects of emotion induction. Methods Healthy female participants (N = 75) were selected on their scores for trait NA and for the Checklist for Symptoms in Daily Life. Three groups were compared: (1) low NA-low HSR; (2) high NA-low HSR; and (3) high NA-high HSR (low NA-high HSR did not occur). In study 1, participants underwent a Parametric Go/No-go Task and a Stroop Color-Word test, and trait questionnaires measured alexithymia and absorption. Forty-five participants (N = 15 in each group) were further engaged in study 2 to induce state NA using an affective picture paradigm. Results Impaired inhibition on the Stroop and Go/No go Task characterized high trait NA, but not high HSR, whereas alexithymia and absorption were elevated in HSR, regardless of trait NA. Negative picture viewing induced elevated state NA in all groups, but only high HSR also reported more bodily symptoms. This effect was moderated, but not mediated by state NA. Conclusion High trait NA is a vulnerability factor but not a sufficient condition to develop HSR. Deficient inhibition is related to the broad trait of NA, whereas the moderating effect of state NA on symptom reporting is specific for high HSR. Understanding processes related to alexithymia and absorption may specifically help to explain elevated HSR.
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页数:15
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