(a)
(b)
(c)
(d)
Figure 4: Group-averaged connectivity matrix for the 2- and 3-back tasks. (a) Functional connectivity for the 2-back task. (b) Functional connectivity for the 2-back task reordered using modularity. (c) Functional connectivity for the 3-back task. (d) Functional connectivity for the 3-back task reordered using modularity.