The basal ganglia are subcortical telencephalic nuclei that integrate signals from the cerebellum and cortex for motor execution. It includes the striatum (putamen^?, caudate nucleus, nucleus accumbens), globus pallidus, subthalamic nucleus and substantia nigra and has strong connections with the motor thamalus and cortex.

References: E.R. Kandel, Schwartz J.H., and Jessel T.M., editors. Principles of Neural Science. McGraw Hill, New York, 4th edition, 2000