Figure 1. The dimensional stacking process.

(A) The effect of two ‘low order’ conductances (g ₁ and g ₂) are plotted in a contour plot, with all other conductances held constant at their control value. This plot is then embedded in a larger grid spanning two ‘medium order’ conductances (g ₃ and g ₄). For each value of g _3,4, the g _1,2 plot is repeated for the respective values. This process is repeated to represent the two ‘high order’ conductances (g ₅ and g ₆). (B) Example showing a random stack order (left), versus an optimised stack order (right) for the same variable.