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首页> 外文期刊>Psychosomatic Medicine: Journal of the American Psychosomatic Society >Abnormality in the self-monitoring mechanism in patients with fibromyalgia and somatoform pain disorder.
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Abnormality in the self-monitoring mechanism in patients with fibromyalgia and somatoform pain disorder.

机译：纤维肌痛和躯体形式疼痛症患者的自我监测机制异常。

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BACKGROUND: Auditory hallucinations and passivity experiences are associated with an abnormality in the self-monitoring mechanism that normally allows us to distinguish self-produced from externally produced sensations. It is unclear if chronic central pain disorders such as fibromyalgia and somatoform pain disorders also involve a defect of the self-monitoring mechanism. METHODS: Responses to tactile stimulation were assessed in four groups of subjects (N = 40): patients with fibromyalgia, patients with somatoform pain disorder, patients with schizophrenia with auditory hallucinations and/or passivity experiences, and normal control subjects. The subjects were asked to rate the perception of a tactile sensation on their left and right hands. The tactile stimulation was either self-produced by movement of the subject's right or left hand or externally produced by the experimenter. RESULTS: Normal control subjects experienced self-produced stimuli as less intense than identical, externally produced tactile stimuli. In contrast, patients with fibromyalgia, patients with somatoform pain disorder, and patients with schizophrenia with auditory hallucinations and/or passivity experiences gave the same perceptual ratings for tactile stimuli produced by themselves as those produced by the experimenter (intergroup difference, p .043; 95% confidence interval [CI], 0.16-0.68). Post hoc tests revealed that this significance was mainly caused by the fibromyalgia (p = .046; 95% CI, -1.66-0.13) and the somatoform pain disorder group (p = .033; 95% CI, -1.71-0.06). CONCLUSIONS: We conclude that central pain disorders such as fibromyalgia and somatoform pain disorders interfere with the correct functioning of the self-monitoring mechanism that normally allows us to distinguish self-produced from externally produced tactile stimuli.
机译：背景：听觉幻觉和消极经历与自我监测机制的异常有关，这种异常通常使我们能够将自我产生的感觉与外部产生的感觉区分开。尚不清楚诸如纤维肌痛和躯体形式疼痛之类的慢性中枢性疼痛疾病是否也涉及自我监测机制的缺陷。方法：在四组受试者（N = 40）中评估了对触觉刺激的反应：纤维肌痛患者，躯体形式疼痛障碍患者，具有幻觉和/或被动经历的精神分裂症患者和正常对照组。要求受试者对左手和右手的触觉感觉进行评分。触觉刺激既可以通过受试者的右手或左手的运动自行产生，也可以由实验者从外部产生。结果：正常对照对象经历的自我产生的刺激强度低于相同的外部产生的触觉刺激强度。相比之下，纤维肌痛患者，躯体形式疼痛障碍患者和精神分裂症患者有幻觉和/或被动经历，他们对自己产生的触觉刺激的感觉等级与实验者产生的感觉刺激相同（组间差异，p .043; 95％置信区间[CI]，0.16-0.68）。事后测试表明，这一意义主要是由纤维肌痛（p = .046; 95％CI，-1.66-0.13）和躯体形式疼痛障碍组（p = .033; 95％CI，-1.71-0.06）引起的。结论：我们得出结论，诸如纤维肌痛和躯体形式性疼痛之类的中枢性疼痛障碍会干扰自我监测机制的正常运行，该机制通常使我们能够将自我产生的与外部产生的触觉刺激区分开来。

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