Sleep and script-based memory distortions

Résumé fourni par la source

Sleep has been widely studied for its role in memory consolidation, including its influence on false memory formation. While previous research suggests that sleep enhances associative false memories, its effect on reconstructive memory distortions remains unclear. This study investigated whether sleep influences false memory production in a script-based paradigm, which reflects real-world memory distortions. Seventy-two participants were assigned to either a Sleep or Wake condition, undergoing memory testing before and after a 12-h delay. False memories were assessed through gap-filling and inferential causal errors, using visually presented narratives depicting everyday events with neutral or emotionally negative outcomes. Results showed no reliable effect of sleep on false memory formation, regardless of error type or emotional valence. These preliminary findings contrast with prior studies using associative paradigms, suggesting that script-based false memories may rely on cognitive mechanisms that are less susceptible to sleep-related consolidation. Our study highlights the importance of task-specific processes in shaping the relationship between sleep and memory distortions, suggesting the need for further research to clarify the conditions under which sleep may contribute to memory distortions.

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