| Typicality: | 0.520 |
| Saliency: | 0.617 |
| to help support sleep | 12 | purpose |
| by an amino acid called tryptophan | 4 | other |
| in cells in the gut | 3 | location |
| serotonin → be produced in → the brain | 28 |
| serotonin → be manufactured in → the brain | 14 |
| serotonin → be made in → the brain | 11 |
| serotonin → be synthesized in → the brain | 9 |
| serotonin → be produced in → your brain | 8 |
| serotonin → be produced by → the brain | 6 |
| serotonin → be formed in → the brain | 3 |
| serotonin → be produced by → your brain | 3 |
| negative | neutral | positive |
| 0.216 | 0.627 | 0.158 |
| Raw frequency | 82 |
| Normalized frequency | 0.617 |
| Modifier score | 0.520 |
| Perplexity | 9.745 |