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. 2014 Dec 4;10(12):e1003962. doi: 10.1371/journal.pcbi.1003962

Figure 5. Fixed points of the iterated map dynamics.

Figure 5

Top: An illustration of three Inline graphicInline graphic curves (colors) and the corresponding linear input-output relation (black dashed) with slope Inline graphic derived from the mean field. Bottom left: The dynamics has a single stable fixed point and all input currents are attracted to it (indicated by small arrows converging to the fixed point). This corresponds to Inline graphicInline graphic curves of GS neurons at all values of Inline graphic. Middle: The dynamics has a line of stable fixed points that allow robust transmission of a large range of input currents in the network. NGS neurons with high values of Inline graphic have such dynamics. Right: The stable line of fixed points is smaller for Inline graphicInline graphic curves that are more "thresholding,'' corresponding to NGS neurons with low Inline graphic.