the locomotor activity of freely moving rats was increased by electrical stimulation of brainstem sites , including the pedunculopontine nucleus , a major component of the mesencephalic locomotor region ( mlr ) , and sites located in the subthalamic locomotor region ( slr ) , which is in the area of the zona incerta ( zi ) dorsomedial to the subthalamic nucleus .
C0006121
brainstem
C0025462
mesencephalic