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Executive Control in Depressive Rumination: Backward Inhibition and Non-inhibitory Switching Performance in a Modified Mixed Antisaccade Task

机译:抑郁性沉思中的执行控制:修改混合反扫视任务中的向后抑制和非抑制切换性能

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摘要

Background and Objectives: The present study examines backward inhibition (BI) and non-inhibitory switching performance among depressed and healthy participants in a modified mixed antisaccade task. Specifically, sad and neutral faces were incorporated in the design to examine executive control difficulties associated with brooding trait. Methods: Thirty-nine participants took part in the study, including 19 depressed patients and 20 healthy control subjects. Participants completed a diagnostic interview and self-report questionnaires, including the Beck Depression Inventory and Ruminative Response Scale-Brooding Subscale. They were then instructed to complete prosaccade and antisaccade trials in the pure and mixed blocks whereby eye gazes were tracked to assess inhibition and switching efficiency. Results: For the switching effects, a significant group × brooding × task type interaction was found as hypothesized when multilevel modeling analysis was employed. Switching deficits associated with brooding was found to be greatest when sad faces were presented to depressed group. No significant results in BI or error rates were observed. Conclusion: The patterns observed suggest that as opposed to BI, set shifting difficulty associated with brooding trait may be modulated by negative mood and cognition. In future research, emotional faces other than sad faces may be used to further explore if the observations could be generalized to other affective conditions.
机译:背景与目的:本研究研究了在改良的混合反扫视任务中抑郁与健康参与者之间的向后抑制(BI)和非抑制切换性能。具体地说,悲伤和中性的面孔被纳入设计中,以检查与育雏特征相关的执行控制困难。方法:39名参与者参加了研究,其中包括19名抑郁症患者和20名健康对照者。参加者完成了诊断性访谈和自我报告调查表,包括贝克抑郁量表和反刍反应量表-血液分类量表。然后,指示他们在纯色和混合色块中完成晕扫和反扫视试验,从而追踪视线以评估抑制和转换效率。结果:对于切换效果,当采用多层次建模分析时,假设存在显着的群体×育雏×任务类型互动。当向沮丧的群体展示悲伤的面孔时,与育雏相关的转换缺陷最大。没有观察到BI或错误率的显着结果。结论:观察到的模式表明,与BI相反,与育雏性状相关的定型转移难度可能受到负面情绪和认知的调节。在未来的研究中,可以使用情感面孔而不是悲伤面孔来进一步探索观察结果是否可以推广到其他情感条件。

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