| Typicality: | 0.460 |
| Saliency: | 0.492 |
| in regulating sleep patterns | 13 | other |
| in the pineal gland | 2 | location |
| serotonin → be involved as → a precursor of melatonin | 11 |
| serotonin → make → melatonin | 7 |
| serotonin → create → melatonin | 6 |
| serotonin → produce → melatonin | 5 |
| serotonin → influence → melatonin | 4 |
| serotonin → help make → melatonin | 3 |
| serotonin → be necessary for → the production of melatonin | 3 |
| serotonin → be used to make → melatonin | 3 |
| negative | neutral | positive |
| 0.022 | 0.667 | 0.311 |
| Raw frequency | 42 |
| Normalized frequency | 0.492 |
| Modifier score | 0.500 |
| Perplexity | 19.584 |