Algorithm 1 Spiking Neural Network (SNN) update algorithm

1:function SNN(V, Z, W, $I^{\mathrm{ext}}$, $\gamma$, $\theta$, N)   2:      for $i=1$ to N do   3:            sum = 0   4:            for $j=1$ to N do   5:                  $sum=sum+W[i,j]·Z\left[i\right]$   6:            end for   7:            $V\left[i\right]=\gamma ·V\left[i\right]·(1-Z\left[i\right])+sum+I^{\mathrm{ext}}\left[i\right]$   8:            if $V\left[i\right]\ge \theta$ then   9:                  $Z\left[i\right]=1$ 10:            else 11:                  $Z\left[i\right]=0$ 12:            end if 13:      end for 14:      return V, Z 15:end function