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Theta phase coordinated memory reactivation reoccurs in a slow-oscillatory rhythm during NREM sleep

Thomas Schreiner, Christian F. Doeller, Ole Jensen, Björn Rasch, Tobias Staudigl
doi: https://doi.org/10.1101/202143
Thomas Schreiner
1Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands
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Christian F. Doeller
1Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands
2Kavli Institute for Systems Neuroscience, Centre for Neural Computation, The Egil and Pauline Braathen and Fred Kavli Centre for Cortical Microcircuits, NTNU, Norwegian University of Science and Technology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
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Ole Jensen
3University of Birmingham, School of Psychology, Birmingham, United Kingdom
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Björn Rasch
4University of Fribourg, Department of Psychology, Fribourg, Switzerland
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Tobias Staudigl
1Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands
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Abstract

It has been proposed that sleep’s contribution to memory consolidation is to reactivate prior encoded information. To elucidate the neural mechanisms carrying reactivation-related mnemonic information, we investigated whether content-specific memory signatures associated with memory reactivation during wakefulness reoccur during subsequent sleep. We show that theta oscillations orchestrate the reactivation of memories, irrespective of the physiological state. Reactivation patterns during sleep autonomously re-emerged at a rate of 1 Hz, indicating a coordination by slow oscillatory activity.

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Posted October 12, 2017.
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Theta phase coordinated memory reactivation reoccurs in a slow-oscillatory rhythm during NREM sleep
Thomas Schreiner, Christian F. Doeller, Ole Jensen, Björn Rasch, Tobias Staudigl
bioRxiv 202143; doi: https://doi.org/10.1101/202143
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Theta phase coordinated memory reactivation reoccurs in a slow-oscillatory rhythm during NREM sleep
Thomas Schreiner, Christian F. Doeller, Ole Jensen, Björn Rasch, Tobias Staudigl
bioRxiv 202143; doi: https://doi.org/10.1101/202143

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