It receives dopaminergic innervations from ventral tegment area and SNc, and noradrenergic and serotonergic innervations from the locus ceruleus (LC) and dorsal raphe nucleus (DRN), respectively.
内侧前额叶皮层主要接受
侧被盖区(ventral tegmental area,VTA)
SNc的DA能神经纤维投射,
及
蓝斑的去甲肾上腺素(noradrenaline,NA)能
背核的5-HT能神经纤维投射。