Department of Psychiatry, University of Münster, Albert-Schweitzer-Campus, Germany.
Soc Cogn Affect Neurosci. 2012 Nov;7(8):980-90. doi: 10.1093/scan/nsr080. Epub 2011 Dec 1.
Repression designates coping strategies such as avoidance, or denial that aim to shield the organism from threatening stimuli. Derakshan et al. have proposed the vigilance-avoidance theory of repressive coping. It is assumed that repressors have an initial rapid vigilant response triggering physiological responses to threat stimuli. In the following second stage repressors manifest avoidant cognitive biases. Functional magnetic resonance imaging at 3T was used to study neural correlates of repressive coping during the first stages of perception of threat. Pictures of human faces bearing fearful, angry, happy and neutral expressions were briefly presented masked by neutral faces. Forty study participants (20 repressive and 20 sensitizing individuals) were selected from a sample of 150 female students on the basis of their scores on the Mainz Coping Inventory. Repressors exhibited stronger neural activation than sensitizers primarily in response to masked threatening faces (vs neutral baseline) in the frontal, parietal and temporal cortex as well as in the cingulate gyrus, basal ganglia and insula. There was no brain region in which sensitizers showed increased activation to emotion expression compared to repressors. The present results are in line with the vigilance-avoidance theory which predicts heightened automatic responsivity to threatening stimuli in repression.
压抑是指通过回避或否认等应对策略来保护机体免受威胁性刺激。Derakshan 等人提出了压抑应对的警觉-回避理论。该理论假设,压抑者最初会迅速警觉,对威胁性刺激产生生理反应。在随后的第二阶段,压抑者表现出回避性认知偏差。研究人员采用 3T 功能磁共振成像技术,研究了威胁知觉初期压抑应对的神经相关因素。研究选取了 150 名女学生中的 40 名(20 名压抑者和 20 名敏感者)作为研究对象,这些学生根据其在美因茨应对量表上的得分进行了选择。结果发现,与敏感者相比,压抑者在前额叶、顶叶和颞叶以及扣带回、基底神经节和岛叶等区域对掩蔽的威胁面孔(与中性基线相比)表现出更强的神经激活。在情绪表达方面,没有任何一个脑区的激活程度高于压抑者。这些结果与警觉-回避理论一致,该理论预测压抑会导致对威胁性刺激的自动反应增强。