Basal ganglia:

Basal ganglia (surrounded by red box)

a collection of structures thought to be especially important in voluntary movement, but also with important roles in cognition, learning, motivation and other functions. The basal ganglia include the caudate, putamen, substantia nigra, globus pallidus, nucleus accumbens, and subthalamic nucleus.

Learn more: Know your brain: Basal ganglia

Watch these 2-Minute Neuroscience videos to learn more:

                       2-Minute Neuroscience: Basal Ganglia

                       2-Minute Neuroscience: Striatum

                       2-Minute Neuroscience: Substantia Nigra