Ratio of trials to rewards in the strategy task in three retention tests
| Monkey | Pre | Post1 | Post2 |
|---|---|---|---|
| S1 | 3.0 | 3.4 | 8.6 |
| S2 | 2.9 | 3.1 | 6.3 |
| S3 | 2.9 | 3.1 | 9.3 |
| IT × FC mean | 2.9 | 3.2 | 8.1 |
| S4 | 2.9 | 3.1 | 3.2 |
| S5 | 3.0 | 3.1 | 3.0 |
| S6 | 3.0 | 3.3 | 3.3 |
| TS+AM+FX mean | 3.0 | 3.2 | 3.2 |
Pre, Performance in the preoperative retention test; Post1, performance after the first operation; Post2, performance after the second operation. See Table 1 for the sequence of surgical operations in each animal.