| to resemble brain cells | 3 | purpose |
| stem cell → can → grow | 14 |
| stem cell → be able to → grow | 5 |
| stem cell → grow in → the body | 3 |
| stem cell → grow in → laboratory | 3 |
| negative | neutral | positive |
| 0.029 | 0.546 | 0.425 |
| Raw frequency | 25 |
| Normalized frequency | 0.428 |
| Modifier score | 0.900 |
| Perplexity | 63.035 |