by recording the spontaneous activity of neurons in the rat brain substantia nigra , reticular formation , basal ganglia , and elsewhere during systemic administration of amphetamine and related drugs , or during administration by means of microinfusions directly into these brain regions , relationships may be drawn between the biochemical and behavioral effects of these drugs and drug-induced changes in neuronal activity in the central nerovous system .
C0038590
substantia nigra
C0004781
basal ganglia