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Trends Neurosci. 2019 Jan;42(1):1-3. doi: 10.1016/j.tins.2018.09.012. Epub 2018 Oct 16.

Sleep Spindles and Memory Reprocessing.

Author information

1
Department of Psychology, Princeton University, Princeton, NJ, USA.
2
School of Psychology, University of Birmingham, Birmingham, UK.
3
Department of Psychology, University of York, York, UK. Electronic address: scott.cairney@york.ac.uk.

Abstract

We propose a framework for the memory function of spindle oscillations during sleep. In this framework, memories are reinstated by spindle events and further reprocessed during subsequent spindle refractory periods. We posit that spindle refractoriness is crucial for protecting memory reprocessing from interference. We further argue that temporally-coordinated spindle refractory periods across local networks facilitate the consolidation of rich, multimodal representations, and that localized spindle refractoriness optimizes oscillatory interactions that support systems consolidation in the sleeping brain.

KEYWORDS:

consolidation; neural oscillations; reactivation; refractoriness

PMID:
30340875
DOI:
10.1016/j.tins.2018.09.012
[Indexed for MEDLINE]

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