Nature Communications:睡觉不生气,生气不睡觉!

2016-12-02 佚名 中国生物技术网

一个由中国和美国研究人员组成的团队在《Nature Communications》上发表了一项研究,证实在刚刚产生不愉快的记忆时入睡会使其在大脑中深刻铭记,使其在之后更不容易被忘记。常言道:“不要生着气睡觉”!最近,研究人员发现了这句话的科学依据,即当人一觉醒来之后可能会加强大脑中的负面记忆。一个由中国和美国研究人员组成的团队在《Nature Communications》上发表了一项研究(点击左

一个由中国和美国研究人员组成的团队在《Nature Communications》上发表了一项研究,证实在刚刚产生不愉快的记忆时入睡会使其在大脑中深刻铭记,使其在之后更不容易被忘记。
常言道:“不要生着气睡觉”!最近,研究人员发现了这句话的科学依据,即当人一觉醒来之后可能会加强大脑中的负面记忆。

一个由中国和美国研究人员组成的团队在《Nature Communications》上发表了一项研究(点击左下角阅读原文),证实在刚刚产生不愉快的记忆时入睡会使其在大脑中深刻铭记,使其在之后更不容易被忘记。

北京师范大学的柳昀哲说:“该研究表明,这个古老的建议有特定的好处。不要生着气睡觉。我们建议,在睡觉之前,先把争论的事情解决好。”

柳昀哲和同事招募了73名男性大学生测试睡眠对记忆的影响。受测者被训练2天的时间,将特定的图像与负面记忆联系起来。
之后,他们再次看这些图像,通过接受指导,或者回忆负面关联,或者尽力不要让这些记忆进入脑中。该测试进行了2次,一次是在受测者睡了一晚上之后,另一次是在接受训练后半个小时。同时,科学家进行扫描受测者的大脑活动。

受测者认为,在睡醒之后,抑制记忆更加困难。

扫描结果表明,这些记忆可能被存储在与长期记忆连接相关的大脑区域中。

睡眠会影响新获得的知识在大脑中被储存和处理的方式,将记忆从短期大脑网络移动到长期大脑网络中。

研究团队说,负面记忆或者创伤事件相比于正面或中性的经历持续的时间更长久。但是它们能够在某种程度上被人为地控制。

无法抑制不愉快的记忆与很多精神问题相关,包括抑郁和创伤后应激障碍(PTSD)。

柳昀哲说:“在这项研究之前,我们还不知道在睡觉前或者睡觉后抑制记忆的能力更好还是更糟。更好的理解这个过程或许能够促进治疗PTSD等疾病的方法。”

研究人员写道:“比如,在经历创伤事件后立即进行睡眠剥夺或许能够阻止创伤记忆被巩固,因此便有可能抑制创伤记忆的形成。”

原始出处:
Yunzhe Liu, Wanjun Lin, Chao Liu, Yuejia Luo,et al.Memory consolidation reconfigures neural pathways involved in the suppression of emotional memories.Nature Communications.29 November 2016.

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    2017-03-18 liuli5079
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    2017-09-20 liye789132251
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    2016-12-06 Amygdala

    我想切了杏仁核

    0

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    2016-12-04 tsing_hit
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    2016-12-03 Alice88

    试验设计的好精巧

    0

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