Measurements of rGT performance at baseline
| Variable | Sham-control | Unilateral lesion | Ipsilateral lesion | Contralateral lesion |
|---|---|---|---|---|
| Choice of best options (%) | 89.74 ± 4.19 | 77.74 ± 5.77 | 86.66 ± 5.47 | 78.88 ± 5.76 |
| Choice of worst options (%) | 10.26 ± 4.19 | 22.26 ± 5.77 | 13.34 ± 5.47 | 21.12 ± 5.76 |
| Trials completed (no.) | 123.13 ± 5.61 | 107.52 ± 8.81 | 124.67 ± 11.30 | 106.53 ± 9.41 |
| Choice latency (s) | 1.21 ± 0.12 | 1.20 ± 0.15 | 1.07 ± 0.13 | 1.06 ± 0.15 |
| Collection latency (s) | 1.28 ± 0.06 | 1.43 ± 0.09 | 1.58 ± 0.12* | 1.28 ± 0.10 |
| Omissions (%) | 0.51 ± 0.16 | 1.44 ± 1.03 | 0.42 ± 0.13 | 0.31 ± 0.17* |
| Premature responses (%) | 13.30 ± 1.26 | 14.74 ± 2.23 | 10.93 ± 2.09 | 15.92 ± 3.48 |
| Punishment perseveratives | 0.27 ± 0.05 | 0.44 ± 0.07 | 0.33 ± 0.08 | 0.21 ± 0.03 |
| Reward perseveratives | 0.009 ± 0.004 | 0.061 ± 0.035 | 0.034 ± 0.019 | 0.017 ± 0.007 |
Data are expressed as the mean ± SEM. Perseverative responses are represented as a fraction of the total punishment duration (punishment perseverative) or number of rewarded trials (reward perseverative).
↵*Significant difference (p ≤ 0.05) from the sham-control group.