(color online) ((a) and (d)) Time series for membrane potentials of a randomly selected E-cell in a small world network with η = 0 (a) and 5 (d); ((b) and (e)) mean fields of E-cell with η = 0 (b) and 5 (e); ((c) and (f)) spatiotemporal patterns of the network with η = 0 (c) and 5 (f).