| to enhance the exercises | 4 | purpose |
| in a clinical setting | 3 | temporal |
| therapist → use → vr | 7 |
| therapist → use → virtual reality | 3 |
| negative | neutral | positive |
| 0.049 | 0.574 | 0.377 |
| Raw frequency | 10 |
| Normalized frequency | 0.231 |
| Modifier score | 0.700 |
| Perplexity | 75.744 |