Superior perception of phasic physiological arousal and the detrimental consequences of the conviction to be aroused on worrying and metacognitions in GAD
Superior perception of phasic physiological arousal and the detrimental consequences of the conviction to be aroused on worrying and metacognitions in GAD
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DOI：
10.1037/0021-843x.117.1.193
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发表时间：
2008-02-01
影响因子：
4.6
通讯作者：
Rist, Fred
中科院分区：
文献类型：
--
作者：
Andor, Tanja;Gerlach, Alexander L.;Rist, Fred
虽然患有广泛性焦虑症（GAD）的人经常报告觉醒症状，但心理生理学研究表明没有自主神经过度觉醒的证据。对阶段性唤醒线索的过度敏感和灾难性解释可以解释这种差异。作者测试了（a）广泛性焦虑症患者是否比对照组更能感知非特异性皮肤电导波动（NSCF），这是一种阶段性自主觉醒的指标;（B）被唤醒的信念是否有助于维持关于担忧的担忧和元认知信念。33名GAD患者和34名健康对照者参加了两个实验。在实验1中，参与者被要求在信号检测任务中检测自己的NSCF。GAD患者比对照组准确地检测到更多的NSCFs，而对照组往往会错过NSCFs。在实验2中，参与者被指示在焦虑诱导后放松。在放松的时候，他们收到了非真实的反馈，表明他们是兴奋还是放松。唤醒反馈保守的负面元认知信念担心，也保持消极情绪和担心专门在广泛性焦虑症的参与者。这些研究结果表明，上级感知阶段性唤醒线索和他们的灾难性误解增加了担心，消极的元认知信念担心，焦虑情绪在广泛性焦虑症。
Although people suffering from generalized anxiety disorder (GAD) often report arousal symptoms, psychophysiological studies show no evidence of autonomic hyperarousal. Hypersensitivity toward and catastrophic interpretation of phasic arousal cues may explain this discrepancy. The authors tested (a) whether GAD sufferers perceive nonspecific skin conductance fluctuations (NSCFs), an indicator of phasic autonomic arousal, better than controls do and (b) whether the conviction to be aroused contributes to the maintenance of worrying and metacognitive beliefs about worrying. Thirty-three GAD sufferers and 34 healthy controls participated in 2 experiments. In Experiment 1, participants were asked to detect their own NSCFs during a signal detection task. GAD sufferers accurately detected more of their NSCFs than did controls, who tended to miss NSCFs. In Experiment 2, participants were instructed to relax following worry induction. While relaxing, they received nonveridical feedback indicating either arousal or relaxation. Arousal feedback conserved negative metacognitive beliefs regarding worrying and also maintained negative mood and worry exclusively in GAD participants. These findings suggest that superior perception of phasic arousal cues and their catastrophic misinterpretation increases worrying, negative metacognitive beliefs about worrying, and anxious mood in GAD.