| always | 5 | degree |
| in the brain | 5 | location |
| to clear out waste products | 4 | purpose |
| brain → be → processed | 29 |
| brain → be in → the process | 19 |
| brain → go through → process | 12 |
| brain → be → process | 8 |
| brain → undergo → process | 8 |
| brain → have → process | 4 |
| brain → use → this process | 3 |
| brain → carry out → process | 3 |
| negative | neutral | positive |
| 0.148 | 0.664 | 0.188 |
| Raw frequency | 86 |
| Normalized frequency | 0.538 |
| Modifier score | 0.975 |
| Perplexity | 283.504 |