The 'dream-lag' effect: a 6-day temporal delay in dream content incorporation
dream content, experiences (events), dreams, humans, learning, periodicity, sleep, REM
Used 103 dream diaries collected in 2 experiments with psychology students/volunteers to examine whether dream incorporations of an important daytime event would occur after temporal delays of up to 7 days. Analysis showed a 6-day delay between event occurrence and dream incorporation. Variations in incorporation were found to follow a sinusoidal pattern. Results implicate dream incorporation in the learning consolidation functions of REM sleep.
Nielsen, T. A., & Powell, R. A. (1989). The ‘dream lag’ effect: A 6-day temporal delay in dream content incorporation. Psychiatric Journal of the University Ottawa, 14, 561-565.
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