The external globus pallidus (GPe) or lateral globus pallidus, is flat, curved and extended in depth and width. The branching dendritic trees are disc-shaped, flat, run parallel to each other and to the pallidum border, and are perpendicular to those axons coming from the striatum. The GPe also receives input from the subthalamic nucleus, and dopaminergic input from the SNpc. The GPe does not give output to the thalamus only intrasystemically connecting to the other basal ganglia structures. It can be seen as a GABA inhibitory mediator regulating the basal ganglia. Its firing activity is very fast and exhibits long intervals of up to several seconds of silence.