| List of regions which send connections to: PB |
|
| Gustatory areas (GU) |
| Visceral area (VISC) |
| Agranular insular area posterior part (AIp) |
| Substantia innominata (SI) |
| Central lateral nucleus of the thalamus (CL) |
| Lateral hypothalamic area (LHA) |
| Paraventricular nucleus of the hypothalamus (PVH) |
| Anteroventral periventricular nucleus (AVPV) |
| Medial terminal nucleus of the accessory optic tract (MT) |
| Pontine reticular nucleus caudal part (PRNc) |
| Periaqueductal gray (PAG) |
| Ventral tegmental area (VTA) |