Negative emotional content disrupts the coherence of episodic memories.

Negative emotional content disrupts the coherence of episodic memories.
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负面情绪内容破坏了情节记忆的连贯性。

DOI:
10.1037/xge0000356
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发表时间:
2018-03
期刊:
Journal of experimental psychology. General
影响因子:
--
通讯作者:
Burgess N
Burgess N
中科院分区:
其他
文献类型:
--
作者:
Bisby JA;Horner AJ;Bush D;Burgess N

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事件被认为是作为连贯的表征存储在情景记忆中的,其中组成元素被绑定在一起,因此线索可以通过模式完成触发所有元素的重新体验。消极的情绪内容会强烈影响记忆,但相反的理论预测记忆连贯性的加强或减弱。在一系列实验中,参与者想象了许多人-位置-物体事件,其中一半事件包括负面元素(例如,一个受伤的人),并在所有事件关联中测试记忆。我们发现,一个负元素的存在减少了记忆事件元素之间的关联,包括中性元素编码后的负元素。消极成分的存在降低了记忆多模态事件的连贯性。我们的研究结果,支持的计算模型,表明,连贯检索中性事件的模式完成支持,但负面的内容削弱了联想编码,损害了这一进程。我们的研究结果对于理解创伤事件的编码方式具有重要意义,并支持旨在恢复负面内容及其周围环境之间联系的治疗策略。
Events are thought to be stored in episodic memory as coherent representations, in which the constituent elements are bound together so that a cue can trigger reexperience of all elements via pattern completion. Negative emotional content can strongly influence memory, but opposing theories predict strengthening or weakening of memory coherence. Across a series of experiments, participants imagined a number of person-location-object events with half of the events including a negative element (e.g., an injured person), and memory was tested across all within event associations. We show that the presence of a negative element reduces memory for associations between event elements, including between neutral elements encoded after a negative element. The presence of a negative element reduces the coherence with which a multimodal event is remembered. Our results, supported by a computational model, suggest that coherent retrieval from neutral events is supported by pattern completion, but that negative content weakens associative encoding which impairs this process. Our findings have important implications for understanding the way traumatic events are encoded and support therapeutic strategies aimed at restoring associations between negative content and its surrounding context.
DOI: 10.1101/lm.032409.113
发表时间: 2013-12-17
期刊: Learning & memory (Cold Spring Harbor, N.Y.)
影响因子: --
作者:
Bisby JA;Burgess N
通讯作者: Burgess N
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发表时间: 2015-07-02
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