在患有频繁梦的人群中,皮层过度兴奋
Clara Sayk1, Sophia Saftien1, Nicole Koch1
1Department of Psychiatry and Psychotherapy, Translational Psychiatry Unit, University of Lübeck, Lübeck, Germany.
Journal of sleep research
|September 9, 2023
概括
经常有梦的人表现出类似特征的皮质过度兴奋,由增加的β和低玛EEG活动表明. 影像排练疗法 (IRT) 有效地减少了这种过度兴奋,特别是在REM睡眠中,这表明了新的治疗途径.
科学领域:
- 神经科学是一个神经科学.
- 睡眠医学 睡眠医学
- 精神病学是一个精神病学.
背景情况:
- 梦在一般人和精神病患者中很普遍,通常与夜间兴奋症状有关,如心率升高和高频电脑电图 (EEG) 活动.
- 这些兴奋特征作为稳定特征与梦期间状态指标之间的区别仍然不清楚.
研究的目的:
- 调查睡眠期间高频EEG活动的增加是否是经常梦或状态依赖现象的个体的特征.
- 评估图像排练疗法 (IRT) 对睡眠架构,光谱功率和皮质过度兴奋在经常梦患者的影响.
主要方法:
- 在睡眠实验室进行了四个晚上的比较研究,其中包括一个经常梦的小组 (NM; n=30) 和健康的对照组 (n=27).
- 在第二晚和第三晚之间,NM组进行了六次IRT.
- 分析了睡眠架构和光谱功率 (β和频率),比较组,并比较NM组内的梦与非梦之夜,以及治疗前后.
主要成果:
- 与对照组相比,NM组在整个晚上表现出明显更高的总体β和低马功率.
- 在NM组内,当将梦发生的夜晚与非梦发生的夜晚进行比较时,没有观察到这种高频率活动的差异.
- 治疗后,NM组显示低马活性减少,特别是在快速眼动 (REM) 睡眠期间.
结论:
- 皮质过度兴奋,以升高的β和低的马EEG活动为特征,似乎是经常经历梦的个体的一个稳定的特征.
- 影像排练疗法 (IRT) 证明了调节这种过度兴奋的能力,为其治疗效果提供了潜在的机制.
- 这些发现表明,针对高频EEG活动可能是开发改进梦治疗的可行策略.
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