| Typicality: | 0.371 |
| Saliency: | 0.284 |
| to treat depression | 2 | purpose |
| ketamine → be used to treat → ptsd | 5 |
| ketamine → treat → ptsd | 3 |
| negative | neutral | positive |
| 0.359 | 0.550 | 0.090 |
| Raw frequency | 8 |
| Normalized frequency | 0.284 |
| Modifier score | 0.500 |
| Perplexity | 13.025 |