The influence of sad mood on cognition
The influence of sad mood on cognition
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DOI：
10.1037/1528-3542.7.4.802
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发表时间：
2007-11-01
期刊：
影响因子：
4.2
通讯作者：
Farah, Martha J.
中科院分区：
文献类型：
--
作者：
Chepenik, Lara G.;Cornew, Lauren A.;Farah, Martha J.
神经影像学已经确定了一个重叠的大脑区域网络，其活动受到情绪和认知的调节。对抑郁症患者的研究表明，他们的感知、注意力和记忆力都会发生变化。以及执行功能。这表明情绪对认知有普遍的影响。然而，悲伤情绪对认知影响的直接证据却令人惊讶地有限。已发表的研究通常针对每项研究的单一认知能力，因为实验室诱导的情绪的短暂性排除了扩展测试，并且可靠的发现仅限于情绪对情绪刺激记忆的影响。在这项研究中，悲伤情绪被诱导并延长，从而使情绪对一系列能力的影响得以评估，包括那些与悲伤情绪共享神经基质的能力和那些受抑郁影响的能力。悲伤情绪会影响情绪性词汇和面部情绪识别的记忆，但对其他过程没有影响，在不同任务之间的影响具有显著的不均匀性。这些结果与悲伤情绪对某些与情绪相关的认知过程的有限影响是一致的，但对更普遍的认知却没有影响。
Neuroimaging has identified an overlapping network of brain regions whose activity is modulated by mood and cognition. Studies of depressed individuals have shown changes in perception, attention, memory. and executive functions. This suggests that mood has a pervasive effect on cognition. Direct evidence of the effect of sad mood on cognition is surprisingly limited, however. Published studies have generally addressed a single cognitive ability per study because the fleeting nature of laboratory-induced mood precludes extended testing, and robust findings are limited to mood effects on memory for emotional stimuli. In this study, sad mood was induced and prolonged, enabling the effects of mood to be assessed for an array of abilities, including those that share neural substrates with sad mood and those affected by depression. Sad mood affected memory for emotional words and facial emotion recognition, but not the other processes measured, with a significant nonuniformity of effect over tasks. These results are consistent with circumscribed effects of sad mood on certain emotion-related cognitive processes, but not on cognition more generally.