Excitable elements controlled by noise and network structure B. Sonnenschein, M.A. Zaks, A.B. Neiman and L. Schimansky-Geier Eur. Phys. J. Special Topics, 222 10 (2013) 2517-2529 Published online: 28 October 2013 DOI: 10.1140/epjst/e2013-02034-7