Table 1.
Cerebellar Structures Segmented in the MRI Cerebellar Atlas Including Their Volume
| Structure | Abbreviation | Hierarchy | Mean Volume ± SEM (mm3) |
|---|---|---|---|
| Lobules I–II | vI/II | Vermis | 1.83 ± 0.03 |
| Lobule III | vIII | Vermis | 1.97 ± 0.04 |
| Lobule IV–V | vIV/V | Vermis | 4.37 ± 0.06 |
| Lobule VI | vVI | Vermis | 2.70 ± 0.05 |
| Lobule VII | vVII | Vermis | 0.86 ± 0.02 |
| Lobule VIII | vVIII | Vermis | 1.47 ± 0.03 |
| Lobule IX | vIX | Vermis | 2.92 ± 0.05 |
| Lobule X | vX | Vermis | 1.47 ± 0.02 |
| Anterior lobule (lobules 4–5) | ant | Paravermis | 1.81 ± 0.02 |
| Simple lobule (lobule 6) | sim | Hemisphere | 5.20 ± 0.07 |
| Crus I (lobule 6) | crusI | Hemisphere | 4.50 ± 0.06 |
| Crus II (lobule 7) | crusII | Hemisphere | 3.47 ± 0.05 |
| Paramedian lobule (lobule 7) | pm | Hemisphere | 4.00 ± 0.04 |
| Copula of the pyramis (lobule 8) | cp | Hemisphere | 2.65 ± 0.04 |
| Flocculus | fl | Flocculonodular lobe | 1.02 ± 0.02 |
| Paraflocculus | pfl | Flocculonodular lobe | 4.00 ± 0.09 |
| Trunk of arbor vita | trAV | White matter | 4.30 ± 0.05 |
| Lobule I–II white matter | vI/II-wm | Vermis white matter | 0.089 ± 0.002 |
| Lobule III white matter | vIII-wm | Vermis white matter | 0.226 ± 0.004 |
| Trunk of lobules I–III white matter | trI-III-wm | Vermis white matter | 0.144 ± 0.002 |
| Lobules IV–V white matter | vIV/V-wm | Vermis white matter | 0.71 ± 0.01 |
| Lobules VI–VII white matter | vVI/VII-wm | Vermis white matter | 0.79 ± 0.01 |
| Lobule VIII white matter | vVIII-wm | Vermis white matter | 0.154 ± 0.004 |
| Trunk of lobules VI–VIII white matter | trVI-VIII-wm | Vermis white matter | 0.118 ± 0.001 |
| Lobule IX white matter | vIX-wm | Vermis white matter | 0.343 ± 0.006 |
| Lobule X white matter | vX-wm | Vermis white matter | 0.103 ± 0.001 |
| Anterior lobule white matter | ant-wm | Paravermis white matter | 0.102 ± 0.002 |
| Simple lobule white matter | sim-wm | White matter | 0.52 ± 0.01 |
| Crus I white matter | crusI-wm | White matter | 0.474 ± 0.007 |
| Trunk of simple and crus I white matter | trscI-wm | White matter | 0.188 ± 0.003 |
| Crus II white matter | crusII-wm | White matter | 0.278 ± 0.0405 |
| Paramedian lobule | pm-wm | White matter | 0.172 ± 0.003 |
| Trunk of crus II and paramedian white matter | trcIIpm-wm | White matter | 0.371 ± 0.005 |
| Copula white matter | cp-wm | White matter | 0.094 ± 0.001 |
| Paraflocculus white matter | pfl-wm | White matter | 0.343 ± 0.006 |
| Flocculus white matter | fl-wm | White matter | 0.077 ± 0.001 |
| Dentate nucleus | dent | Deep nuclei | 0.307 ± 0.005 |
| Nucleus interpositus | inter | Deep nuclei | 0.402 ± 0.007 |
| Fastigial nucleus | fast | Deep nuclei | 0.442 ± 0.006 |
SEM, standard error of the mean.