| Typicality: | 0.261 |
| Saliency: | 0.231 |
| after frequent and prolonged use | 5 | temporal |
| in rats | 5 | other |
| chemical → cause → behavioral changes | 6 |
| chemical → be linked to → behavioral problems | 6 |
| negative | neutral | positive |
| 0.801 | 0.177 | 0.022 |
| Raw frequency | 12 |
| Normalized frequency | 0.231 |
| Modifier score | 0.500 |
| Perplexity | 350.772 |