| List of regions which send connections to: SNr |
|
| Hippocampal region (HIP) |
| Primary motor area (MOp) |
| Primary somatosensory area (SSp) |
| Anterior cingulate area ventral part (ACAv) |
| Infralimbic area (ILA) |
| Orbital area medial part (ORBm) |
| Prelimbic area (PL) |
| Nucleus accumbens (ACB) |
| Olfactory tubercle (OT) |
| Bed nuclei of the stria terminalis anterolateral area (BSTal) |
| Bed nuclei of the stria terminalis juxtacapsular nucleus (BSTju) |
| Bed nuclei of the stria terminalis rhomboid nucleus (BSTrh) |
| Bed nuclei of the stria terminalis anterior division dorsomedial nucleus (BSTdm) |
| Bed nuclei of the stria terminalis anterior division magnocellular nucleus (BSTmg) |
| Substantia innominata (SI) |
| Lateral hypothalamic area (LHA) |
| Lateral preoptic area (LPO) |
| Superior colliculus (SC) |
| Mesencephalic reticular nucleus (MRN) |
| Locus coeruleus (LC) |
| Interstitial nucleus of Cajal (INC) |
| Periaqueductal gray (PAG) |
| Pontine gray (PG) |