| Typicality: | 0.518 |
| Saliency: | 0.401 |
| with the aims | 6 | other |
| for retinal degenerative diseases | 5 | other |
| in order to improve treatment | 3 | purpose |
| researcher → look for → cause | 9 |
| researcher → examine → cause | 8 |
| researcher → investigate → cause | 7 |
| researcher → seek → cause | 5 |
| researcher → look into → cause | 5 |
| researcher → investigate → potential causes | 4 |
| researcher → try to find → cause | 3 |
| researcher → explore → cause | 3 |
| negative | neutral | positive |
| 0.176 | 0.628 | 0.196 |
| Raw frequency | 44 |
| Normalized frequency | 0.401 |
| Modifier score | 0.800 |
| Perplexity | 33.207 |