| for some forms of memory | 7 | other |
| in clearance of neurotransmitters | 3 | other |
| in controlling breathing | 3 | other |
| astrocyte → be → critical | 9 |
| astrocyte → be → crucial | 8 |
| astrocyte → be → necessary | 7 |
| astrocyte → be → essential | 5 |
| astrocyte → be → important | 4 |
| negative | neutral | positive |
| 0.097 | 0.660 | 0.243 |
| Raw frequency | 33 |
| Normalized frequency | 0.650 |
| Modifier score | 0.500 |
| Perplexity | 186.872 |