| to the underlying pathology of ad | 8 | other |
| highly | 4 | degree |
| compared to patients | 3 | other |
| lithium → be → helpful | 12 |
| lithium → be → beneficial | 6 |
| lithium → be of → benefit | 3 |
| negative | neutral | positive |
| 0.041 | 0.390 | 0.569 |
| Raw frequency | 21 |
| Normalized frequency | 0.626 |
| Modifier score | 0.500 |
| Perplexity | 128.778 |