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高特质焦虑个体中导向性再评价的时间动态。

The temporal dynamics of directed reappraisal in high-trait-anxious individuals.

机构信息

MOE Key Laboratory of Modern Teaching Technology, Shaanxi Normal University.

School of Psychology, Shaanxi Normal University.

出版信息

Emotion. 2016 Sep;16(6):886-96. doi: 10.1037/emo0000186. Epub 2016 Apr 28.

Abstract

High-trait-anxious (HTA) individuals often experience high levels of negative emotions, signaling potential abnormalities in the down-regulation of negative emotions. In this study, we used event-related potentials to examine whether HTA individuals can effectively use directed reappraisal to down-regulate negative emotions. Participants completed a passive picture-viewing task in which pictures were preceded by audio descriptions of their content. For unpleasant pictures, descriptions were either neutral or negative, whereas for neutral pictures, only neutral descriptions were given. Self-report behavioral results indicated that HTA individuals reported greater unpleasantness for the pictures than did low-trait-anxious (LTA) individuals but revealed no abnormality in decreasing negative emotional experience. Such abnormality, however, did emerge neurally. Analyses focused on the central-parietal late positive potential (LPP), a neural marker of emotion regulation. LTA individuals showed an LPP reduction in response to unpleasant pictures with negative descriptions compared to neutral ones at 400-3000-ms post-picture-onset, indicating effective down-regulation of negative emotions. HTA individuals, however, showed no LPP reduction at 400- to 1,000-ms post picture onset. Instead, they showed an LPP increase in response to unpleasant pictures with negative descriptions compared to neutral ones at 1,000- to 2,000-ms post picture-onset. These abnormal central-parietal LPP patterns not only verify that HTA individuals exhibit ineffective use of directed reappraisal to down-regulate neural responses to unpleasant stimuli, but also reveal an abnormal time-course of directed reappraisal in such individuals. Our findings also suggest that the ineffective use of cognitive reappraisals may contribute to the generally elevated levels of negative emotionality in HTA individuals. (PsycINFO Database Record

摘要

高特质焦虑(HTA)个体常体验到高水平的负性情绪,提示其在负性情绪的向下调节方面可能存在异常。在本研究中,我们使用事件相关电位(ERP)技术来考察 HTA 个体是否能有效地使用定向重评来调节负性情绪。被试完成了一项被动观看图片任务,在观看图片之前,会有音频对图片内容进行描述。对于负性图片,描述要么是中性的,要么是负性的;而对于中性图片,只呈现中性描述。自我报告行为结果表明,HTA 个体比低特质焦虑(LTA)个体报告了更高的图片不愉快感,但在降低负性情绪体验方面没有表现出异常。然而,这种异常确实在神经层面显现出来。分析集中在中央顶叶晚正电位(LPP)上,它是情绪调节的神经标志物。与中性描述相比,LTA 个体在负性描述的负性图片呈现后 400-3000ms 时,LPP 呈现出降低,表明其能有效地调节负性情绪。然而,HTA 个体在图片呈现后 400-1000ms 时 LPP 没有降低,相反,他们在 1000-2000ms 时 LPP 呈现出升高,表明其对负性描述的负性图片的反应增强。这些异常的中央顶叶 LPP 模式不仅验证了 HTA 个体在使用定向重评来调节对不愉快刺激的神经反应时表现出无效性,还揭示了此类个体在定向重评过程中的异常时程。我们的发现还表明,认知重评的无效使用可能导致 HTA 个体普遍存在更高水平的负性情绪。

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