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. 2014 Jul 7;9(7):e101109. doi: 10.1371/journal.pone.0101109

Figure 6. Bifurcation plots along the two parameters (Inline graphic) of the weight dependent STDP component, Inline graphic (see equations (3) and (4)) near Inline graphic of equation (18).

Figure 6

Panels display the synaptic weight distribution (color coded) for the various parameter setups: (A) Inhibitory synapse with anti-Hebbian (Inline graphic, see also Figure 1F) rule, with fixed Inline graphic and varied Inline graphic. (B) Inhibitory synapse with anti-Hebbian (Inline graphic, see also Figure 1F) rule, with fixed Inline graphic and varied Inline graphic. (C) Excitatory synapse with Hebbian (Inline graphic, see also Figure 1B) rule, with fixed Inline graphic and varied Inline graphic. (D) Excitatory synapse with Hebbian (Inline graphic, see also Figure 1B) rule, with fixed Inline graphic and varied Inline graphic. The dashed white line marks Inline graphic in A and B, and Inline graphic in C and D.