| Typicality: | 0.394 |
| Saliency: | 0.542 |
| reaction time, | 3 | temporal |
| significantly | 3 | degree |
| to enhance information processing | 3 | purpose |
| caffeine → improve → attention | 32 |
| caffeine → increase → attention | 23 |
| caffeine → improve → attention span | 7 |
| caffeine → enhance → attention | 6 |
| caffeine → help improve → attention | 4 |
| caffeine → be shown to increase → attention | 3 |
| caffeine → boost → attention | 3 |
| negative | neutral | positive |
| 0.037 | 0.293 | 0.670 |
| Raw frequency | 78 |
| Normalized frequency | 0.542 |
| Modifier score | 0.500 |
| Perplexity | 82.280 |