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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Neural Comput. 2010 Jan;22(1):158–189. doi: 10.1162/neco.2009.11-08-900

Figure 5.

Figure 5

(a) DBN performance vs. number of excitatory pre-synaptic connections. Inset: Connection strengths Aij for each choice of that number.

(b) DBN performance vs. firing history interval length. Inset: Connection strengths Aij for each choice of this length.

(c) DBN performance (solid) vs. ratio of inhibitory to excitatory synaptic strength (I/E Ratio). The accuracy gets closer to unity as inhibition strength surpasses excitation strength (I/E ratio increases above 1). Partial Directed Coherence (PDC) (dashed) and Generalized Linear Model (GLM) fit (dotted) performance shown for comparison.

(d) Coefficient of variation for the data analyzed in (c).

(e) DBN performance vs. background rate.