| List of regions which send connections to: PAG |
|
| Secondary motor area (MOs) |
| Anterior cingulate area dorsal part (ACAd) |
| Anterior cingulate area ventral part (ACAv) |
| Infralimbic area (ILA) |
| Orbital area medial part (ORBm) |
| Orbital area ventrolateral part (ORBvl) |
| Prelimbic area (PL) |
| Retrosplenial area dorsal part (RSPd) |
| Ventral temporal association areas (TEv) |
| Caudoputamen (CP) |
| Islands of Calleja (isl) |
| Lateral septal nucleus rostral (rostroventral) part medial zone ventral region (LSr.m.v) |
| Central nucleus of amygdala (CEA) |
| Bed nuclei of the stria terminalis (BST) |
| Nucleus of the diagonal band (NDB) |
| Magnocellular preoptic nucleus (MA) |
| Substantia innominata (SI) |
| Central lateral nucleus of the thalamus (CL) |
| Suprageniculate nucleus (SGN) |
| Ventral posterior complex of the thalamus (VP) |
| Dorsal part of the lateral geniculate complex (LGd) |
| Lateral habenula (LH) |
| Subparafascicular nucleus (SPF) |
| Zona incerta (ZI) |
| Ventral part of the lateral geniculate complex (LGv) |
| Reticular nucleus of the thalamus (RT) |
| Hypothalamus (HY) |
| Lateral hypothalamic area (LHA) |
| Lateral preoptic area (LPO) |
| Posterior hypothalamic nucleus (PH) |
| Dorsal premammillary nucleus (PMd) |
| Tuberal area of the hypothalamus (TUA) |
| Ventromedial nucleus of the hypothalamus (VMH) |
| Ventromedial nucleus of the hypothalamus ventrolateral part (VMHvl) |
| Ventromedial nucleus of the hypothalamus dorsomedial part (VMHdm) |
| Anterior hypothalamic area (AHA) |
| Retrochiasmatic area (RCH) |
| Subparaventricular zone (SBPV) |
| Suprachiasmatic nucleus (SCH) |
| Anterior hypothalamic nucleus (AHN) |
| Anterior hypothalamic central part (AHNc) |
| Medial preoptic area (MPO) |
| Medial preoptic nucleus (MPN) |
| Arcuate nucleus of the hypothalamus (ARH) |
| Dorsomedial nucleus of the hypothalamus (DMH) |
| Paraventricular nucleus of the hypothalamus (PVH) |
| Paraventricular nucleus of the hypothalamus, parvicellular division, medial parvicellular part, dorsal zone (PVHmpd) |
| Paraventricular nucleus of the hypothalamus, descending division, medial parvicellular part, ventral zone (PVHmpv) |
| Anterior pretectal nucleus (APN) |
| Superior colliculus (SC) |
| Medial terminal nucleus of the accessory optic tract (MT) |
| Pontine reticular nucleus caudal part (PRNc) |
| Mesencephalic reticular nucleus (MRN) |
| Dorsal tegmental nucleus (DTN) |
| Substantia nigra reticular part (SNr) |
