Fig. 6: A neurodynamic model for selective memory consolidation during sleep.
From: Electrophysiological signatures underlying variability in human memory consolidation
After TMR cue onset, we observed two consecutive time periods with significant cortical pattern reactivation. Hippocampal ripple rate significantly increases during the first reactivation. Meanwhile, there exists stronger hippocampal-cortical interaction, including hippocampal-cortical coherence and co-occurrence of hippocampal ripple and cortical HFB activity. During the second reactivation, the cortex and hippocampus is decoupled, perhaps allowing cortical processing to proceed independently, manifested by enhanced cortical spindle activity. Note that the cortical positions shown in Fig. 6 are only for illustration purposes. HFB: high-frequency broadband. TMR: targeted memory reactivation. Note. Schematic brain reprinted from scidraw.io (Chilton, J. (2020). Brain outline. Zenodo. https://doi.org/10.5281/zenodo.3925989). CC BY.
