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The role of the amygdala in emotional experience during retrieval of personal memories

机译：杏仁核在恢复个人记忆中的情感体验中的作用

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摘要

Although the role of the amygdala in emotional memory retrieval has long been established, how such engagement varies depending on valence and retrieval context is less clearly understood. Participants retrieved personal memories associated with primarily positive, primarily negative, and mixed-valence images, pressing a button when successful. The button press divided trials into search and elaboration phases. Participants provided positivity and negativity ratings immediately following each trial, and then again in a post-retrieval survey. The relation between amygdala recruitment and emotionality exhibited a four-way interaction, with no other significant main effects or interactions. The interaction was driven by a temporal shift in the role of amygdala recruitment during retrieval of memories associated with mixed-valence images: Negativity ratings were supported more by search-related activity whereas positivity was more strongly associated with elaboration. Amygdala activity during retrieval relates to emotional experience in more complicated ways than previously understood. When participants were able to consider positive and negative aspects of the same event, amygdala recruitment during search and elaboration were associated with opposite behavioural effects. Such findings suggest that the amygdala may support distinct aspects of emotional experience for the same memory depending on when during retrieval it is recruited.
机译：尽管杏仁核在情绪记忆恢复中的作用早已确立，但这种参与如何根据化合价和恢复情境而变化尚不清楚。参与者检索与主要正图像，主要负图像和混合价图像相关的个人记忆，成功后按下按钮。按下按钮可将试验分为搜索和详细说明两个阶段。参与者在每次试验后立即提供阳性和阴性评级，然后在检索后调查中再次提供。杏仁核募集与情绪之间的关系表现出四方面的相互作用，没有其他显着的主要影响或相互作用。交互作用是由杏仁核募集的作用在与混合价图像相关的记忆的检索中随时间变化而驱动的：与搜索相关的活动更多地支持了负面评价，而积极性则与精心制作相关。提取过程中的杏仁核活动与情感体验的关系比以前理解的要复杂得多。当参与者能够考虑同一事件的积极和消极方面时，搜索和精心制作期间杏仁核的募集与相反的行为效果相关。这些发现表明杏仁核可能支持相同记忆的情感体验的不同方面，这取决于在检索过程中何时募集。

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  • 来源
    《Memory》 |2019年第10期|1362-1370|共9页
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    Boston Coll Dept Psychol McGuinn Hall Rm 504B Chestnut Hill MA 02167 USA;

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  • 正文语种 eng
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  • 关键词

    Memory; emotion; phenomenology; amygdala;

    机译：记忆;情感;现象学杏仁核;

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