这篇的原文出自於Science, 315 . 1426 - 1429 (2007). Odor Cues During Slow-Wave Sleep Prompt Declarative Memory Consolidation Sleep facilitates memory consolidation. A widely held model assumes that this is because newly encoded memories undergo covert reactivation during sleep. We cued new memories in humans during sleep by presenting an odor that had been presented as context during prior learning, and so showed that reactivation indeed causes memory consolidation during sleep. Re-exposure to the odor during slow-wave sleep (SWS) improved the retention of hippocampus-dependent declarative memories but not of hippocampus- independent procedural memories. Odor re-exposure was ineffective during rapid eye movement sleep or wakefulness or when the odor had been omitted during prior learning. Concurring with these findings, functional magnetic resonance imaging revealed significant hippocampal activation in response to odor re-exposure during SWS. P.S：SWS=Slow-Wave Sleep，其实就是大家熟知的NON-REM睡眠，也就是不做梦的阶 段。 --

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