| ACC | Anterior cingulate cortex |
| BLA | Basolateral amygdala |
| CeA | Central nucleus of the amygdala |
| CRD | Colorectal distension |
| EEG | Electroencephalography |
| FD | Functional dyspepsia |
| FGIDs | Functional gastrointestinal disorders |
| fMRI | Functional magnetic resonance imaging |
| GI | Gastrointestinal |
| IC | Insular cortex |
| IBS | Irritable bowel syndrome |
| LA | Lateral amygdala |
| LFPs | Local field potentials |
| LC | Locus coeruleus |
| LTD | Long-term depression |
| LTP | Long-term potentiation |
| MEG | Magnetoencephalography |
| mPFC | Medial prefrontal cortex |
| MUA | Multiunit activity |
| NE | Norepinephrine |
| PB | Parabrachial area |
| PAG | Periaqueductal gray |
| PET | Positron emission tomography |
| RVM | Rostral ventrolateral medulla |
| SDH | Spinal dorsal horn |
| VH | Visceral hypersensitivity |
| SC | Subcoeruleus |