| fMRI | Functional Magnetic Resonance |
| IRI | Interpersonal Reactivity Index |
| PT | Perspective Taking |
| FS | Fantasy |
| EC | Empathic Concern |
| PD | Personal Distress |
| EMG | Electromyography |
| emoticons (posed emotion): | |
| H | Happy |
| D | Disgusted |
| N | Neutral |
| perceived emotions: | |
| h | Happiness |
| d | Disgust |
| TR | Repetition time |
| BNC | Bayonet Neill Concelma |
| AAS | Average artefact subtraction |
| TE | Echo Time |
| SPM | Statistical Parametric Mapping |
| FWE | Family Wise Error |
| AI | Anterior insula |
| IFG | Inferior Frontal Gyrus |
| BA | Brodmann area |
| l | Left |
| r | Right |