Conte Francesca, Malloggi Serena, De Rosa Oreste, Ficca Gianluca, Righi Stefania, Viggiano Maria Pia, Giganti Fiorenza
Department of Psychology, University of Campania L. Vanvitelli, Viale Ellittico 31, 81100 Caserta, Italy.
Department of Neurofarba, University of Florence, Via di San Salvi 12, 50135 Florence, Italy.
Brain Sci. 2025 Mar 1;15(3):265. doi: 10.3390/brainsci15030265.
: Sleep plays a pivotal role in memory consolidation, especially for declarative memory. While extensive research has examined sleep's impact on simple declarative materials, such as word lists, its effect on more complex narrative passages remains less studied. This study aimed to investigate the effect of sleep on prose memory consolidation. : In a within-subjects design, 10 healthy university students (6 F, 4 M; age range = 19-29; generation ratio = 0.8) learned prose passages and were tested both immediately and after a retention interval spent either asleep or awake. : The analyses revealed a positive effect of sleep, with the participants recalling more textual details in the Sleep condition (R conditional = 0.269). Correlational analyses further supported this outcome, showing a positive association between specific sleep features (i.e., sleep cycles) and prose memory performance (r = 0.56). : Our finding suggests that sleep facilitates the consolidation of complex declarative memory traces, counteracting the decay that occurs during wakefulness; correlational analyses further support this outcome. Overall, these findings underscore the importance of sleep for everyday learning and comprehension, particularly when processing complex textual information.
睡眠在记忆巩固中起着关键作用，尤其是对陈述性记忆而言。虽然大量研究考察了睡眠对诸如单词列表等简单陈述性材料的影响，但其对更复杂叙事段落的影响仍较少被研究。本研究旨在探究睡眠对散文记忆巩固的影响。
在一项被试内设计中，10名健康的大学生（6名女性，4名男性；年龄范围 = 19 - 29岁；世代比 = 0.8）学习散文段落，并在学习后立即以及在经历睡眠或清醒的保持间隔后进行测试。
分析结果显示睡眠具有积极作用，参与者在睡眠条件下能回忆起更多文本细节（条件相关系数R = 0.269）。相关性分析进一步支持了这一结果，表明特定睡眠特征（即睡眠周期）与散文记忆表现之间存在正相关（r = 0.56）。
我们的研究结果表明，睡眠有助于巩固复杂的陈述性记忆痕迹，抵消清醒期间发生的衰退；相关性分析进一步支持了这一结果。总体而言，这些发现强调了睡眠对日常学习和理解的重要性，尤其是在处理复杂文本信息时。
