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. Author manuscript; available in PMC: 2021 Jan 8.
Published in final edited form as: Neuron. 2019 Nov 26;105(1):138–149.e5. doi: 10.1016/j.neuron.2019.10.012

Figure 4. Temporal structure of HFO spiking is not modulated by highly familiar experiences.

Figure 4.

(A) Upper: Example theta phase-position plots for two neurons that were simultaneously recorded. Lower: Cross-correlograms for the two example neurons for HFOs prior to behavior (left; green), during traversal of a linear track (middle; black), and during HFOs after the behavioral session (right; blue). Solid lines are smoothed with a 5-ms Gaussian kernel. Dashed lines are the same CCG smoothed with a 200-ms Gaussian kernel. (B) For all LS cell pairs (Y-axis) the excess correlation is shown for HFOs prior to maze traversal (green), maze traversal (black), and after maze traversal (blue). (C) For all LS recordings, the correlations of temporal biases are shown. X-axis is the correlation between PRE and BEHAV epochs, Y-axis is the correlation between BEHAV and POST epochs. (D) Temporal compression of LS cell pair CCGs during PRE (green) or POST (blue) epochs, relative to BEHAV epoch show correlations that exceed chance but decrease in magnitude with larger compression. Red traces show the average correlations expected when one cross-correlogram is circularly permuted.