Click on areas of the diagram for further information about the striatum, subthalamic nucleus, or substantia nigra. Or click on the green arrow (above) to see a connectivity diagram of all basal ganglia nuclei.
image adapted from Nauta & Feirtag (1986)
SUBTHALAMIC NUCLEUS & SUBSTANTIA NIGRA
The subthalamic nucleus (shown in yellow) and the substantia nigra (in red) are also included in the basal ganglia. The putamen (in blue) can also be seen in this diagram. Although the subthalamic nucleus and substantia nigra appear separate from the other basal ganglia components, they have a clear anatomical relationship.