Sticky Thoughts: Depression and Rumination Are Associated With Difficulties Manipulating Emotional Material in Working Memory
Sticky Thoughts: Depression and Rumination Are Associated With Difficulties Manipulating Emotional Material in Working Memory
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DOI：
10.1177/0956797611415539
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发表时间：
2011-08-01
影响因子：
8.2
通讯作者：
Gotlib, Ian H.
中科院分区：
文献类型：
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作者：
Joormann, Jutta;Levens, Sara M.;Gotlib, Ian H.
认知不灵活可能在沉思中发挥重要作用，沉思是抑郁发作发生和维持的危险因素。在这里报道的这项研究中，我们评估了参与者在工作记忆中颠倒或保持三个情绪或三个中性单词的顺序的能力。计算后向试验和前向试验的反应潜伏期之间的差异(或排序成本)，前者要求参与者颠倒单词的顺序，后者要求参与者记住单词的呈现顺序。与对照组参与者相比，抑郁参与者的排序成本更高，尤其是在面对负面词汇时。值得注意的是，沉思预测了抑郁组中消极词的分类成本，而不是积极词或中性词的分类成本。这些发现表明，抑郁和沉思与认知控制缺陷有关。
Cognitive inflexibility may play an important role in rumination, a risk factor for the onset and maintenance of depressive episodes. In the study reported here, we assessed participants' ability to either reverse or maintain in working memory the order of three emotion or three neutral words. Differences (or sorting costs) between response latencies in backward trials, on which participants were asked to reverse the order of the words, and forward trials, on which participants were asked to remember the words in the order in which they were presented, were calculated. Compared with control participants, depressed participants had higher sorting costs, particularly when presented with negative words. It is important to note that rumination predicted sorting costs for negative words but not for positive or neutral words in the depressed group. These findings indicate that depression and rumination are associated with deficits in cognitive control.