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首页> 外文期刊>Psychosomatic Medicine: Journal of the American Psychosomatic Society >Selective processing of gastrointestinal symptom-related stimuli in irritable bowel syndrome.
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Selective processing of gastrointestinal symptom-related stimuli in irritable bowel syndrome.

机译：肠易激综合症中胃肠道症状相关刺激的选择性处理。

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摘要

OBJECTIVES: We sought to determine whether irritable bowel syndrome (IBS) was associated with attentional bias toward symptom-related cues in IBS patients versus healthy controls, using a modified Stroop task to measure selective processing of gastrointestinal symptom-related cues. METHODS: Fifteen patients with a clinical diagnosis of IBS and 15 healthy controls were recruited into the study. All participants attended a single testing session, during which they completed a modified Stroop task using gastrointestinal symptom-related and neutral control words. RESULTS: Results indicated a significant main effect of word type (p = .013), with slower color-naming times for IBS-related compared with neutral words, and a significant main effect of exposure (p = .001), with slower color-naming times in the unmasked condition compared with the masked condition. The group x word type x exposure interaction was significant (p = .048). A series of post hoc tests indicated that among patients there was significant interference of symptom-related words in the masked condition but not in the unmasked condition, whereas among controls, the reverse was true. CONCLUSIONS: These results indicate that IBS patients selectively process gastrointestinal symptom-related words compared with neutral words when they are presented subliminally but not when they are presented supraliminally. In contrast, healthy controls demonstrate the opposite pattern. Implications for the cognitive mechanisms in IBS, and future research directions, are discussed.
机译：目的：我们试图通过使用改良的Stroop任务来测量胃肠道症状相关提示的选择性处理，来确定IBS患者与健康对照者的肠易激综合征（IBS）是否与注意偏向相关。方法：招募了15例临床诊断为IBS的患者和15名健康对照者。所有参与者都参加了一次测试，在此期间，他们使用与胃肠道症状有关的中性控制词完成了改良的Stroop任务。结果：结果表明，与中性词相比，单词类型的主要效果显着（p = .013），与IBS相关的颜色命名时间更短，而与之相比，显着的主要效果（p = .001），颜色更慢-在未屏蔽条件下与屏蔽条件下的命名时间。组x词类型x暴露交互作用显着（p = .048）。一系列事后测试表明，在患者中，与症状有关的单词在被掩盖的情况下有明显的干扰，而在未被掩盖的情况下则没有，而在对照组中，情况确实相反。结论：这些结果表明，与IBS患者相比，选择性地处理胃肠道症状相关的单词比在中性单词出现时要低，而在中性单词出现时则没有。相反，健康的对照组则表现出相反的模式。讨论了IBS认知机制的含义以及未来的研究方向。

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