| List of regions which send connections to: IPN |
|
| Hippocampal formation (HPF) |
| Prelimbic area (PL) |
| Retrosplenial area dorsal part (RSPd) |
| Central lateral nucleus of the thalamus (CL) |
| Medial preoptic area (MPO) |
| Medial preoptic nucleus (MPN) |
| Pontine reticular nucleus caudal part (PRNc) |
| Nucleus incertus diffuse part (NId) |
| Locus coeruleus (LC) |
| Dorsal tegmental nucleus (DTN) |
