Fig. 2From: An Interactive Channel Model of the Basal Ganglia: Bifurcation Analysis Under Healthy and Parkinsonian ConditionsIsolated channel phase space under healthy conditions. Behaviour of the isolated channel system under healthy conditions with w s s =3.4, I=0. Left: The nullclines and fixed points of the system. Right: Fixed points, stable and unstable manifolds of the saddle point, and example trajectoriesBack to article page