| Typicality: | 0.486 |
| Saliency: | 0.556 |
| to regulate anxiety | 4 | purpose |
| in the brain | 3 | location |
| commonly | 3 | temporal |
| serotonin → regulate → happiness | 16 |
| serotonin → be associated with → happiness | 16 |
| serotonin → contribute to → happiness | 10 |
| serotonin → be linked to → happiness | 8 |
| serotonin → contribute to → a person’s happiness | 3 |
| serotonin → affect → happiness | 3 |
| serotonin → be responsible for → happiness | 3 |
| negative | neutral | positive |
| 0.062 | 0.352 | 0.587 |
| Raw frequency | 59 |
| Normalized frequency | 0.556 |
| Modifier score | 0.767 |
| Perplexity | 268.288 |