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Sleep and incubation: using problem reactivation during sleep to study forgetting fixation and unconscious processing during sleep incubation
Journal of Cognitive Psychology ( IF 1.279 ) Pub Date : 2021-04-18 , DOI: 10.1080/20445911.2021.1912050
Kristin E G Sanders 1 , Mark Beeman 1
Affiliation  

ABSTRACT

When people are stuck on a problem, they sometimes benefit from an incubation period—a break from working on the problem. Anecdotes and empirical evidence suggest that sleeping during incubation is useful, but the mechanisms remain poorly understood. We examined how targeted memory reactivation during sleep, which boosts next-day solving, relates to forgetting fixation, a well-supported explanation of awake incubation. In evening sessions, participants attempted puzzles, while a unique sound cue played during each puzzle. Half the time, puzzles included fixating information reinforcing an incorrect representation. Later, during deep sleep, sounds associated with half of participants’ previously unsolved puzzles were presented. The sounds should strengthen puzzle memories and reduce forgetting of the fixating information. In morning solving, overnight cueing reliably interacted with fixating information: participants solved numerically more cued than uncued puzzles, but only when puzzles included fixating information. These results suggest that additional processing occurred beyond simple fixation forgetting.



中文翻译:

睡眠与潜伏:利用睡眠中的问题再激活来研究睡眠潜伏期的遗忘固定和无意识处理

摘要

当人们被困在一个问题上时,他们有时会受益于一个潜伏期——从解决问题的过程中休息一下。轶事和经验证据表明,在孵化期间睡觉是有用的,但其机制仍然知之甚少。我们研究了睡眠期间有针对性的记忆重新激活(促进第二天的解决)与遗忘固定的关系,对清醒孵化的充分支持的解释。在晚上的会议上,参与者尝试拼图,而在每个拼图过程中都会播放独特的声音提示。有一半的时间,谜题包括固定信息,强化了不正确的表示。后来,在深度睡眠期间,出现了与一半参与者以前未解决的谜题相关的声音。声音应该加强谜题记忆并减少对固定信息的遗忘。在早上的解题中,夜间提示与固定信息可靠地相互作用:参与者在数字上解决了比未提示的谜题更多的提示,但只有当谜题包含固定信息时。这些结果表明,除了简单的注视遗忘之外,还发生了额外的处理。

更新日期:2021-04-18
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