| Typicality: | 0.416 |
| Saliency: | 0.543 |
| in many cases | 19 | temporal |
| after a concussion | 14 | temporal |
| after discharge | 8 | temporal |
| symptom → persist for → week | 107 |
| symptom → continue for → week | 34 |
| symptom → linger for → week | 22 |
| symptom → persist over → week | 3 |
| symptom → persist beyond → week | 3 |
| negative | neutral | positive |
| 0.566 | 0.398 | 0.037 |
| Raw frequency | 169 |
| Normalized frequency | 0.543 |
| Modifier score | 0.567 |
| Perplexity | 16.972 |