Fig. 6.

The mean inter-spike interval $⟨\mathrm{ISI}⟩$ is color coded in the $({\kappa }_e^a-{\tau }_e^a)$ plane for the deterministic (i.e., ${\sigma }_{1,1}=\sigma =0$) ML neuron with an eletrical autapse. The white region represents the excitable regime (i.e., predisposition for SISR) and the colored regions represent the oscillatory regime (i.e., undesired regime) invoked by autaptic time-delayed couplings via SNLC bifurcations. $v_l=1.515<v_{\mathbb{H}}$, $\epsilon =0.0005$