| before | 5 | temporal |
| individually | 4 | manner |
| scientifically | 3 | manner |
| brain → be → studied | 73 |
| brain → be → analyzed | 21 |
| brain → be → investigated | 7 |
| brain → be → assessed | 7 |
| brain → be → evaluated | 6 |
| brain → be → analysed | 5 |
| brain → be used in → the study | 5 |
| negative | neutral | positive |
| 0.234 | 0.652 | 0.113 |
| Raw frequency | 124 |
| Normalized frequency | 0.597 |
| Modifier score | 0.880 |
| Perplexity | 189.093 |