| Typicality: | 0.403 |
| Saliency: | 0.358 |
| to regulate mood | 7 | purpose |
| to ensure | 5 | purpose |
| to enable such behavioral functions | 4 | purpose |
| brain → use → serotonin | 21 |
| brain → use → the neurotransmitter serotonin | 4 |
| brain → need → serotonin | 3 |
| negative | neutral | positive |
| 0.219 | 0.564 | 0.217 |
| Raw frequency | 28 |
| Normalized frequency | 0.358 |
| Modifier score | 0.500 |
| Perplexity | 333.305 |