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. 2019 Mar 12;13:71. doi: 10.3389/fncel.2019.00071

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Copyright © 2019 Langille.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Interacting oscillations can cause the synaptic change required for NREMS systems consolidation. Shown is a schematic summary of a model for the relationship between NREMS oscillations and synapse strength changes. (A–D) Each panel depicts a presleep cortical postsynapse (left), a coronal brain section (middle) with the region of origin (blue) and waveform (below) of a NREMS rhythm, and the same postsynapse postsleep (right); (A) slow oscillation; (B) sleep spindle; (C) sharp wave and; (D) slow oscillation (black) coupled to a sleep spindle (blue) with a trough nested sharp wave (red). Synapse strength is indicated by the size of the postsynapse as well as by the number and phosphorylation (yellow “P”) status of receptors.