| K | Cerebellum | Hippocampus | Basal ganglia | ||
| Cerebellar cortex | Dentate | CA3 | Globus pallidus | ||
| Number of neurons per field | K1 | 7 ± 3 | 4 ± 1 | NA | 2 ± 1 |
| K2 | 7 ± 4 | 5 ± 3 | 14 ± 6 | 2 ± 1 | |
| K3 | NA | NA | 12±3 | 2 ± 1 | |
| Neuron body area (µm2) | K1 | 174 ± 66 | 281 ± 87 | NA | 197 ± 57 |
| K2 | 179 ± 45 | 212 ± 70 | 124±33 | 197 ± 87 | |
| K3 | NA | NA | 126±28 | 207 ± 49 | |