| Typicality: | 0.506 |
| Saliency: | 0.601 |
| serotonin → be → a brain chemical | 40 |
| serotonin → be → important brain chemical | 12 |
| serotonin → be → the brain chemical | 8 |
| serotonin → be → brain chemical | 8 |
| serotonin → be → a natural brain chemical | 4 |
| serotonin → be → powerful brain chemical | 3 |
| negative | neutral | positive |
| 0.168 | 0.532 | 0.300 |
| Raw frequency | 75 |
| Normalized frequency | 0.601 |
| Modifier score | 0.500 |
| Perplexity | 14.412 |