| to the head | 2 | transitive-object |
| symptom → be related to → trauma | 11 |
| symptom → be caused by → trauma | 3 |
| symptom → be associated with → trauma | 3 |
| negative | neutral | positive |
| 0.394 | 0.448 | 0.158 |
| Raw frequency | 17 |
| Normalized frequency | 0.316 |
| Modifier score | 0.800 |
| Perplexity | 45.553 |