Effect of sleep manipulations on intrusive memories after exposure to an experimental analogue trauma: A meta-analytic review.

Effect of sleep manipulations on intrusive memories after exposure to an experimental analogue trauma: A meta-analytic review.
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暴露于实验性模拟创伤后睡眠操纵对侵入性记忆的影响:荟萃分析综述。

DOI:
10.1016/j.smrv.2023.101768
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发表时间:
2023
影响因子:
10.5
通讯作者:
Gehrman,PhilipR
Gehrman,PhilipR
中科院分区:
医学1区
文献类型:
--
作者:
Larson,Olivia;Schapiro,AnnaC;Gehrman,PhilipR

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睡眠在记忆处理中起着重要作用,对于创伤后应激障碍(PTSD)患者来说,睡眠会受到干扰。越来越多的研究对创伤后早期睡眠--或缺乏睡眠--如何有助于侵入性记忆的形成进行了实验研究。这篇元分析综述的目的是考察各种实验性睡眠操作(例如,睡眠剥夺、日间小睡)对暴露于实验诱导的模拟创伤事件后侵入性记忆的影响。有8项符合条件的研究通过心理信息平台和PubMed系统地确定,并提供了足够的数据,有助于对睡眠和清醒对侵入性记忆频率的影响进行荟萃分析。研究发现,与清醒相比,睡眠可以减少侵入性记忆频率,但效果很小(Hedge‘sg=100.29)。没有发表偏倚的证据,各研究的效应大小的异质性是适度的。结果表明,睡眠在暴露在创伤事件后的后果中起到保护作用,这对创伤后的早期干预努力具有一定的意义。
Sleep plays an important role in memory processing and is disrupted in individuals with post-traumatic stress disorder (PTSD). A growing body of research has experimentally investigated how sleep – or lack thereof – in the early aftermath of a traumatic experience contributes to intrusive memory formation. The aim of this meta-analytic review was to examine the effects of various experimental sleep manipulations (e.g., sleep deprivation, daytime naps) on intrusive memories following exposure to an experimentally induced analogue traumatic event. Eight eligible studies were systematically identified through PsycInfo and PubMed and provided sufficient data to contribute to a meta-analysis of the effects of sleep versus wakefulness on intrusive memory frequency. Sleep was found to reduce intrusive memory frequency when compared to wakefulness at a small but significant effect size (Hedge'sg= 0.29). There was no evidence of publication bias and heterogeneity of effect sizes across studies was moderate. Results suggest that sleep plays a protective role in the aftermath of exposure to a traumatic event with implications for early post-trauma intervention efforts.
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