Transition to extreme events in a coupled memristive Hindmarsh–Rose neuron system S. Dinesh Vijay, K. Thamilmaran and A. Ishaq Ahamed Eur. Phys. J. Plus, 139 3 (2024) 234 Published online: 11 March 2024 DOI: 10.1140/epjp/s13360-024-05038-w