Odor cues during slow-wave sleep prompt declarative memory consolidation.
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Odor cues during slow-wave sleep prompt declarative memory consolidation. / Rasch, Björn; Büchel, Christian; Gais, Steffen; Born, Jan.
in: SCIENCE, Jahrgang 315, Nr. 5817, 5817, 2007, S. 1426-1429.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Odor cues during slow-wave sleep prompt declarative memory consolidation.
AU - Rasch, Björn
AU - Büchel, Christian
AU - Gais, Steffen
AU - Born, Jan
PY - 2007
Y1 - 2007
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.
AB - 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.
M3 - SCORING: Zeitschriftenaufsatz
VL - 315
SP - 1426
EP - 1429
JO - SCIENCE
JF - SCIENCE
SN - 0036-8075
IS - 5817
M1 - 5817
ER -
