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认知表现的变化与失眠老年患者睡眠的变化相关。

Changes in Cognitive Performance Are Associated with Changes in Sleep in Older Adults With Insomnia.

作者信息

Wilckens Kristine A, Hall Martica H, Nebes Robert D, Monk Timothy H, Buysse Daniel J

机构信息

a Department of Psychiatry , University of Pittsburgh School of Medicine , USA.

出版信息

Behav Sleep Med. 2016;14(3):295-310. doi: 10.1080/15402002.2014.1002034. Epub 2015 Aug 31.

Abstract

The present study examined sleep features associated with cognition in older adults and examined whether sleep changes following insomnia treatment were associated with cognitive improvements. Polysomnography and cognition (recall, working memory, and reasoning) were assessed before and after an insomnia intervention (Brief Behavioral Treatment of Insomnia [BBTI] or information control [IC]) in 77 older adults with insomnia. Baseline wake-after-sleep-onset (WASO) was associated with recall. Greater NREM (nonrapid eye movement) delta power and lower NREM sigma power were associated with greater working memory and reasoning. The insomnia intervention did not improve performance. However, increased absolute delta power and decreased relative sigma power were associated with improved reasoning. Findings suggest that improvements in executive function may occur with changes in NREM architecture.

摘要

本研究调查了与老年人认知相关的睡眠特征,并探讨了失眠治疗后睡眠变化是否与认知改善相关。对77名患有失眠的老年人在失眠干预(失眠简短行为治疗[BBTI]或信息对照[IC])前后进行了多导睡眠图和认知(回忆、工作记忆和推理)评估。基线睡眠后觉醒时间(WASO)与回忆相关。更高的非快速眼动(NREM)δ波功率和更低的NREMσ波功率与更好的工作记忆和推理相关。失眠干预并未改善表现。然而,绝对δ波功率增加和相对σ波功率降低与推理改善相关。研究结果表明,执行功能的改善可能与NREM睡眠结构的变化有关。

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