| ALS | Amyotrophic Lateral Sclerosis |
| BCI | Brain-Computer Interface |
| CLIS | Completely Locked-In Syndrome |
| DoC | Disorders of Consciousness |
| ECoG | Electrocorticography |
| EEG | Electroencephalography |
| EM | Expectation - Maximisation |
| ERR | Ellipsoid Radius Ratio |
| MCS | Minimally Conscious State |
| PSD | Power Spectral Density |
| SON | Subject’s Own Name |
| SSVEP | Steady-State Visual Evoked Potential |
| SWS | Slow Wave Sleep |
| UWS | Unresponsive Wakefulness Syndrome |
| VS | Vegetative State |
| wSMI | weighted Symbolic Mutual Information |