Nonstationary chimeras in a neuronal network Zhouchao Wei, Fatemeh Parastesh, Hamed Azarnoush, Sajad Jafari, Dibakar Ghosh, Matjaž Perc and Mitja Slavinec EPL, 123 4 (2018) 48003 Published online: 18 September 2018 DOI: 10.1209/0295-5075/123/48003