| α-2 | Alpha-2 adrenergic receptors |
| ACC | Anterior cingulate cortex |
| DH | Dorsal horn |
| dlPFC | Dorsolateral prefrontal cortex |
| DMH | Dorsomedial hypothalamus |
| CVLM | Caudal ventrolateral medulla |
| fMRI | Functional magnetic resonance imaging |
| IC | Insular cortex |
| IML | Intermediolateral cell column |
| LC | Locus coeruleus |
| MRI | Magnetic resonance imaging |
| mPFC | Medial prefrontal cortex |
| GABA | γ- aminobutyric acid |
| NTS | Nucleus of the solitary tract |
| PFC | Prefrontal cortex |
| PVN | Paraventricular nucleus |
| RF | Reticular formation |
| RVLM | Rostral ventrolateral medulla |
| SNA | Sympathetic nerve activity |
| SNS | Sympathetic nerve system |
| SPN | Sympathetic preganglionic neurons |