| Typicality: | 0.511 |
| Saliency: | 0.611 |
| noradrenaline → be involved in → maintaining alertness | 4 |
| noradrenaline → increase → alertness | 3 |
| negative | neutral | positive |
| 0.213 | 0.503 | 0.284 |
| Raw frequency | 7 |
| Normalized frequency | 0.611 |
| Modifier score | 0.500 |
| Perplexity | 73.977 |