Within the basal nuclei, there are many interconnections that function to regulate the output of this system. These intrinsic projections include ________.
1) striato-pallidal projections (located between the caudate/putamen and ___________ __________);
2) nigrostriatal tract (located between the ___________ nigra and putamen); and
3) subthalamic fasciculus (located between the __________ and globus pallidus).