Team BEBG Inserm CRICM U975, CHU Pitié-Salpêtrière, 47-83, boulevard de l'Hôpital, 75013 Paris, France.
Eur Psychiatry. 2013 Oct;28(8):507-13. doi: 10.1016/j.eurpsy.2012.11.003. Epub 2012 Dec 28.
Repetitive checking in obsessive-compulsive disorder (OCD) would serve to relieve obsession-related anxiety and/or to compensate memory deficit, but experimental literature on this subject is inconsistent. The main objective is to test the influence of obsession-related anxiety and memory on repetitive checking in OCD.
Twenty-three OCD checkers, 17 OCD non-checkers and 41 controls performed a delayed-matching-to-sample task with an unrestricted checking option. Some stimuli were obsession-related in order to measure the influence of anxiety on checking. A version of the task without checking possibility was used to assess memory abilities.
OCD checkers had similar memory performances but checked more than the other groups when presented with non-anxiogenic stimuli. Level of anxiety associated to the stimulus did not influence the number of checks.
Increased checking in OCD checkers, being independent of memory abilities and primary obsession-related anxiety, would, therefore, be closer to an automated behaviour than a coping strategy.
在强迫症（OCD）中，反复检查可以缓解与强迫观念相关的焦虑，或者弥补记忆缺陷，但这方面的实验文献并不一致。本研究的主要目的是检验与强迫观念相关的焦虑和记忆对强迫症患者反复检查的影响。
23 名强迫症检查者、17 名强迫症非检查者和 41 名对照组在一项无限制检查选项的延迟匹配样本任务中进行了测试。有些刺激与强迫观念有关，以测量焦虑对检查的影响。使用一种不允许检查的任务版本来评估记忆能力。
强迫症检查者的记忆表现相似，但在呈现非焦虑刺激时，他们的检查次数多于其他两组。与刺激相关的焦虑水平并不影响检查次数。
强迫症检查者的检查次数增加，这与记忆能力和主要与强迫观念相关的焦虑无关，因此更接近于一种自动行为，而不是一种应对策略。
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