Review 1.Neuronal Dynamical Systems We describe the neuronal dynamical systems by first- order differential or difference equations that govern the time evolution of the neuronal activations or membrane potentials.1.Neuronal Dynamical Systems We describe the neuronal dynamical systems by first￾order differential or difference equations that govern the time evolution of the neuronal activations or membrane potentials. ( , , ) ( , , )     X Y X Y y h F F x g F F = = Review