| Typicality: | 0.409 |
| Saliency: | 0.577 |
| within hours | 7 | temporal |
| rapidly | 7 | manner |
| unlike other antidepressants | 3 | other |
| ketamine → relieve → depressive symptoms | 8 |
| ketamine → improve → depressive symptoms | 5 |
| ketamine → relieve → depression symptoms | 5 |
| ketamine → reduce → depressive symptoms | 4 |
| negative | neutral | positive |
| 0.125 | 0.413 | 0.462 |
| Raw frequency | 22 |
| Normalized frequency | 0.577 |
| Modifier score | 0.500 |
| Perplexity | 35.956 |