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首页> 外文期刊>Experimental Brain Research >Effect of emotional and neutral declarative memory consolidation on sleep architecture
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Effect of emotional and neutral declarative memory consolidation on sleep architecture

机译：情绪和中性声明性记忆巩固对睡眠结构的影响

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The relationship between emotional or neutral declarative memory consolidation and sleep architecture was investigated. Thirty university students (21 females) viewed negative, neutral, or positive pictures and rated their valence and arousal in the evening. Participants performed a recognition test 1 h later and then underwent overnight polysomnography. Their post-encoding sleep architecture was compared to a baseline night. Participants returned 6 days following encoding for a second recognition test. Results showed no group (Negative, Neutral, Positive) differences in recognition 1 h or 6 days following encoding. Stage 2 sleep spindle density decreased across all groups following encoding, and recognition after 6 days was positively correlated with Stage 2 sleep spindle density on both nights. There was no change in REM density in any of the groups. This is the first investigation into phasic sleep microarchitecture changes following emotional and neutral declarative learning. Future investigations may benefit from more salient emotional stimuli.
机译：研究了情绪或中性声明性记忆巩固与睡眠结构之间的关系。 30名大学生（21名女性）观看了负面，中立或正面的图片，并在晚上对他们的效价和唤醒进行了评分。参与者在1小时后进行了识别测试，然后进行了一夜的多导睡眠监测。他们将编码后的睡眠架构与基准夜晚进行了比较。编码后6天，参与者返回进行第二次识别测试。结果显示，编码后1 h或6天，识别上没有任何组（负，中性，正）差异。编码后，所有组的第二阶段睡眠纺锤体密度均下降，并且在6天后的识别与两个晚上的第二阶段睡眠纺锤体密度呈正相关。在所有组中，REM密度均无变化。这是对情绪和中性陈述式学习后阶段性睡眠微体系结构变化的首次调查。未来的研究可能会受益于更明显的情绪刺激。

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