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.
腹内侧前层主要接受来自腹侧被盖区(ventral tegmental area,VTA)和SNcDA能神经纤维投射,以及来自蓝斑肾上腺素(noradrenaline,NA)能和中缝背核5-HT能神经纤维投射。