Figure 7: Group assignments and fitted firings The four panels show the functions assigned to each group versus the fitted curves for g1 and g2 from the synaptic transmission data. The diagonal panes (a) and (d) show the functions assigned the corresponding g (e.g. the functions assigned to group 1 with g1 overlaid, and the functions assigned to group 2 with g2 overlaid). In contrast, the off-diagonal panes (b) and (c) correspond to the functions overlaid with the "other" g (so the functions assigned to group 1 with g2 overlaid, and the functions assigned to group 2 with g1 overlaid). This illustrates the differences in structure between g1 and g2.