Interspike-interval correlations induced by two-state switching in an excitable system Tilo Schwalger, Jordi Tiana-Alsina, M. C. Torrent, Jordi Garcia-Ojalvo and Benjamin Lindner EPL, 99 1 (2012) 10004 Published online: 11 July 2012 DOI: 10.1209/0295-5075/99/10004