Actuating mechanical arms coupled to an array of FitzHugh–Nagumo neuron circuits Isidore Komofor Ngongiah, Balamurali Ramakrishnan, Gaetan Fautso Kuiate, Raphael Tagne and Sifeu Takougang Kingni Eur. Phys. J. Spec. Top., 232 2 (2023) 285-299 Published online: 21 November 2022 DOI: 10.1140/epjs/s11734-022-00721-4