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试图解决一个痛苦的问题:疼痛控制尝试对受威胁身体部位注意力优先级的影响。

Trying to fix a painful problem: the impact of pain control attempts on the attentional prioritization of a threatened body location.

作者信息

Durnez Wouter, Van Damme Stefaan

机构信息

Department of Experimental-Clinical and Health Psychology, Ghent University, Ghent, Belgium.

Department of Experimental-Clinical and Health Psychology, Ghent University, Ghent, Belgium.

出版信息

J Pain. 2015 Feb;16(2):135-43. doi: 10.1016/j.jpain.2014.10.012. Epub 2014 Nov 11.


DOI:10.1016/j.jpain.2014.10.012
PMID:25463700
Abstract

UNLABELLED: Motivational accounts of pain behavior and disability suggest that persisting attempts to avoid or control pain may paradoxically result in heightened attention to pain-related information. We investigated whether attempts to control pain prioritized attention to the location where pain was expected, using a tactile change detection paradigm. Thirty-seven undergraduate students had to detect changes between 2 consecutively presented patterns of tactile stimuli at various body locations. One of the locations was made threatening by occasionally administering a pain-eliciting stimulus. Half of the participants (pain control group) were encouraged to actively avoid the administering of pain by pressing a button as quickly as possible, whereas the other participants (comparison group) were not. The actual amount of painful stimuli was the same in both groups. Results showed that in the comparison group, the anticipation of pain resulted in better detection of tactile changes at the pain location than at the other locations, indicating an attentional bias for the threatened location. Crucially, the pain control group showed a similar attentional bias, but also when there was no actual presence of threat. This suggests that although threat briefly prioritized the threatened location, the goal to control pain did so in a broader, more context-driven manner. PERSPECTIVE: This study investigates the impact of attempts to control pain on somatosensory processing at the pain location. It provides further insight into the motivational mechanisms of pain-related attention. It also points to the negative consequences of trying to control uncontrollable pain, such as is often the case in chronic pain.

摘要

未标注:关于疼痛行为和残疾的动机性解释表明,持续试图避免或控制疼痛可能会自相矛盾地导致对疼痛相关信息的关注度提高。我们使用触觉变化检测范式,研究了控制疼痛的尝试是否会优先关注预期疼痛的位置。37名本科生必须检测在身体不同部位连续呈现的两种触觉刺激模式之间的变化。其中一个部位通过偶尔施加引起疼痛的刺激而变得具有威胁性。一半的参与者(疼痛控制组)被鼓励通过尽快按下按钮来积极避免疼痛的施加,而其他参与者(对照组)则没有。两组中实际的疼痛刺激量是相同的。结果表明,在对照组中,对疼痛的预期导致在疼痛部位比在其他部位能更好地检测到触觉变化,这表明对受威胁部位存在注意力偏差。至关重要的是,疼痛控制组也表现出类似的注意力偏差,而且在没有实际威胁存在时也是如此。这表明,虽然威胁会短暂地优先关注受威胁的位置,但控制疼痛的目标是以更广泛、更受情境驱动的方式做到这一点的。 观点:本研究调查了控制疼痛的尝试对疼痛部位体感处理的影响。它进一步深入了解了与疼痛相关的注意力的动机机制。它还指出了试图控制无法控制的疼痛的负面后果,慢性疼痛中经常出现这种情况。

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Trying to fix a painful problem: the impact of pain control attempts on the attentional prioritization of a threatened body location.

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[2]
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