| Typicality: | 0.384 |
| Saliency: | 0.519 |
| in various aspects of brain function | 15 | other |
| consistently | 9 | manner |
| with sleep deprivation | 5 | other |
| caffeine → improve → vigilance | 31 |
| caffeine → lead to → vigilance | 14 |
| caffeine → enhance → vigilance | 7 |
| caffeine → maintain → vigilance | 6 |
| caffeine → increase → vigilance | 6 |
| caffeine → boost → vigilance | 4 |
| negative | neutral | positive |
| 0.009 | 0.254 | 0.737 |
| Raw frequency | 68 |
| Normalized frequency | 0.519 |
| Modifier score | 0.500 |
| Perplexity | 78.239 |