Table 2.
Cognitive tasks used during the study
| Cognitive task | Time on treatment (months) | Number of injections |
|---|---|---|
| Baseline | 0.0 | 0 |
| Landmark discrimination, acquisition | 0.9 | 2 |
| Landmark discrimination, variable distance | 4.3 | 5 |
| Spatial two-choice task, maximal memory | 5.5 | 6 |
| Spatial two-choice task, working memory | 8.3 | 8 |
| Spatial three-choice task, maximal memory | 9.6 | 9 |
| Spatial three-choice task, working memory | 12.2 | 11 |
| Oddity discrimination | 13.3 | 12 |
| Spatial two-choice task, maximal memory | 15.4 | 14 |
| Spatial two-choice task, working memory | 17.9 | 17 |
| Spatial three-choice task, maximal memory | 19.4 | 18 |
| Spatial three-choice task, working memory | 21.9 | 20 |
| Size discrimination and reversal | 23.4 | 22 |
| Landmark retention | 26.4 | 24 |
| Death | 28.3 | 25 |