Figure 2:

Remapping of granule cells and mossy cells in distinct environments. Activity from two example GCs and mossy cells are shown as an animal explored four distinct contexts (top). Each row is one cell. The trajectory of the rat is plotted in gray, with the locations of spikes overlaid in red. Mossy cells were typically active in multiple environments and had multiple firing fields, while granule cells usually had no place fields in any environment (GC 2), and occasionally had a single field in a single environment (GC 1). This pattern of GC firing supports the orthogonal remapping of GCs expected from expansion recoding models of pattern separation, while the activity of mossy cells could support pattern separation through place field remapping. Adapted from GoodSmith et al., 2017.