Neurophysiological features of dream recall and the phenomenology of dreams: Auditory stimulation impacts dream experiences

IF 2.1 3区心理学 Q2 PSYCHOLOGY, EXPERIMENTAL

Consciousness and Cognition Pub Date : 2025-05-08 DOI:10.1016/j.concog.2025.103869

Gulshan Kumar , Safoora Naaz , Nahida Jabin , Arun Sasidharan , Ravindra P. Nagendra , Ravi Yadav , Bindu M. Kutty

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Abstract

Studies on the electrophysiological and phenomenological aspects of dream experiences provide insight on consciousness during sleep. Whole night polysomnography (PSG) studies were conducted among 29 healthy young participants with high dream recall abilities. Dreams reports were collected during the second night by multiple awakening protocol. On the third night, participants were presented with an audiovisual task and during subsequent sleep, dream reports were collected following an auditory stimuli presentation.

REM sleep dreams favor high dream recall rates when compared to N2 dreams. Enhanced EEG beta activity, functional connectivity across the brain structures of the default mode network (DMN) and activation of medial frontal cortex were observed during dream recall irrespective of the sleep states. Auditory stimulations influenced emotional dream experiences highlighting the possibility of target memory reactivation. The study highlights the potential role of dream states and dream experiences in understanding consciousness during sleep.

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梦回忆的神经生理特征与梦的现象学：听觉刺激影响梦的体验

对梦体验的电生理和现象学方面的研究提供了对睡眠过程中意识的洞察。对29名梦境回忆能力强的健康青年进行了通宵多导睡眠图（PSG）研究。在第二晚通过多次唤醒协议收集梦报告。第三天晚上，研究人员给参与者布置了一项视听任务，并在随后的睡眠中收集了听刺激后的梦境报告。与N2梦相比，快速眼动睡眠梦的梦境回忆率更高。无论睡眠状态如何，在梦境回忆过程中，脑电图β活动增强，默认模式网络（DMN）脑结构的功能连接以及内侧额叶皮层的激活都被观察到。听觉刺激影响情绪梦境体验，突出目标记忆再激活的可能性。这项研究强调了梦的状态和梦的经历在理解睡眠中的意识方面的潜在作用。

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来源期刊

Consciousness and Cognition PSYCHOLOGY, EXPERIMENTAL-

CiteScore

4.30

自引率

8.30%

发文量

123

期刊介绍： Consciousness and Cognition: An International Journal provides a forum for a natural-science approach to the issues of consciousness, voluntary control, and self. The journal features empirical research (in the form of regular articles and short reports) and theoretical articles. Integrative theoretical and critical literature reviews, and tutorial reviews are also published. The journal aims to be both scientifically rigorous and open to novel contributions.