| 1H-HRMAS | Proton High Resolution Magic Angle Spinning |
| Ace | Acetate |
| Ala | Alanine |
| Asp | Aspartate |
| BG | Basal Ganglia |
| BS | Brainstem |
| Cb | Cerebellum |
| Cho+GPC+PCho | Choline + Glycerylphosphorylcholine + Phosphocholine |
| Cx- | Rest of the cortex without prefrontal cortex |
| CSF | Cerebrospinal Fluid |
| CT | Computed Tomography |
| EPM2A | Epilepsy Progressive Myoclonus type 2A |
| EPM2B | Epilepsy Progressive Myoclonus type 2B |
| FDG | 2-[18F] fluoro-D-glucose |
| FEW | Family-Wise-Error |
| GABA | Gamma-aminobutyric acid |
| Glu+Gln | Glutamate + Glutamine |
| GM | Gray Matter |
| GPC | Glycerylphosphorylcholine |
| Hippo | Hippocampus |
| 1H-MRS | 1H magnetic resonance spectroscopy |
| Hyp | Hypothalamus |
| Lac | Lactate |
| mIns | myo-Inositol |
| mIns+Gly | mIns + glycine |
| MRI | Magnetic Resonance Imaging |
| NAA | N-acetylaspartate |
| NAA/Cho | NAA/choline |
| NAA/Cr | NAA /creatine |
| NAA/mIns | NAA/myo-Inositol |
| PAS | Periodic-acid-Schiff |
| PCho | Phosphocholine |
| PCr | Phosphocreatine |
| PE | Phosphoethanolamine |
| PET | Positron-Emission Tomography |
| PF-cx | Prefrontal cortex |
| ROI | Regions Of Interest |
| SD | Standard Deviation |
| SEP | Somatosensory Evoked Potentials |
| SPM | Statistical Parametric Mapping |
| SUVmean | Standard Uptake Value mean |
| tCho | total Cho |
| tCr | total Creatine (Cr+PCr) |
| Thal | Thalamus |
| VBM | Voxel-Based Morphometry |
| WM | White Matter |