Odor Cues During Slow-Wave Sleep Prompt Declarative Memory Consolidation

by: Bjorn Rasch, Christian Buchel, Steffen Gais, Jan Born

Science, Vol. 315, No. 5817. (9 March 2007), pp. 1426-1429.

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Abstract

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. 10.1126/science.1138581

@article{Rasch2007, abstract = {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. 10.1126/science.1138581}, author = {Rasch, Bjorn and Buchel, Christian and Gais, Steffen and Born, Jan }, citeulike-article-id = {1176106}, doi = {http://dx.doi.org/10.1126/science.1138581}, journal = {Science}, keywords = {consolidation, humans}, month = {March}, number = {5817}, pages = {1426--1429}, posted-at = {2008-07-23 15:40:04}, priority = {2}, title = {Odor Cues During Slow-Wave Sleep Prompt Declarative Memory Consolidation}, url = {http://dx.doi.org/10.1126/science.1138581}, volume = {315}, year = {2007} }

RIS record

TY - JOUR ID - Rasch2007 L3 - citeulike-article-id:1176106 N2 - 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. 10.1126/science.1138581 IS - 5817 JF - Science EP - 1429 TI - Odor Cues During Slow-Wave Sleep Prompt Declarative Memory Consolidation VL - 315 SP - 1426 KW - consolidation KW - humans AU - Rasch, Bjorn AU - Buchel, Christian AU - Gais, Steffen AU - Born, Jan PY - 2007/03/09/ UR - http://dx.doi.org/10.1126/science.1138581 ER -

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