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. 1997;21(2):108–114.

Figure 1.

Figure 1

Schematic representation of the major dopaminergic systems (viewed from the top of the head). The nigrostriatal system originates in the A9 cell group and extends to the dorsal striatum, which includes the caudate nucleus and putamen (CPU). The mesolimbic system originates primarily in the A10 cell group and extends to the ventral striatum, which includes the nucleus accumbens (NAc) and the olfactory tubercle (OT). The mesocortical system also originates primarily in the A10 cell group and affects various regions of the cerebral cortex.

SOURCE: Adapted with permission from Di Chiara, G. In vivo brain dialysis of neurotransmitters. Trends in Pharmacological Sciences 11:116–121, 1990.