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. Author manuscript; available in PMC: 2013 Aug 23.
Published in final edited form as: Neuron. 2012 Aug 23;75(4):700–713. doi: 10.1016/j.neuron.2012.06.014

Figure 1.

Figure 1

Memory reactivation reflects the reactivation of spatially distributed neural populations. (A) Schematic of behavioral paradigm. (B) Increases in ripple power can occur concurrently across CA1 and CA3 and across hemispheres but have different structure at each recording site. Shown are filtered (150-250Hz) LFP for one SWR detected with a 6 standard deviation threshold. Arrow indicates time of SWR detection. (C) Sequential spiking of neurons during awake, remote replay of the first W-track. This SWR (same as in B) occurred when the animal was located in the second W-track. Top, the filtered (150-250Hz) LFP from left CA1 tetrode shown in B. The color bar shows the colors associated with each 15ms decoding bin. Bottom, spike rasters for all neurons with place fields in the first W-track active during the SWR. Colors indicate the region and hemisphere of each active neuron. (D) Probability distributions of decoded locations for each 15ms bin. Colors correspond to the color bar at the top of C. Inset, cartoon of the replayed trajectory. See Figures S1 and S2.