in order to investigate the relative contribution of dopaminergic projections to the nucleus accumbens and prefrontal cortex in the regulation of spontaneous and drug-induced locomotor activity , separate groups of rats were prepared with 6-ohda lesions of the ventral tegmental area alone , or additional grafts of dopamine-rich tissue reinnervating either the nucleus accumbens or medial prefrontal cortex .
C0282151
dopaminergic
C0013030
dopamine