| Typicality: | 0.459 |
| Saliency: | 0.490 |
| in the brain | 19 | location |
| by accelerating brain functions | 3 | manner |
| caffeine → increase → dopamine | 20 |
| caffeine → increase → dopamine levels | 17 |
| caffeine → affect → the levels of dopamine | 5 |
| caffeine → boost → dopamine levels | 5 |
| caffeine → increase → the levels of dopamine | 4 |
| caffeine → increase → the amount of dopamine | 3 |
| caffeine → affect → dopamine levels | 3 |
| negative | neutral | positive |
| 0.172 | 0.533 | 0.295 |
| Raw frequency | 57 |
| Normalized frequency | 0.490 |
| Modifier score | 0.500 |
| Perplexity | 64.803 |