The number and percentage (in parentheses) of neurons whose activity was significantly modulated (see Materials and Methods) for each task epoch
| Area | Modulated neurons | ||||||
|---|---|---|---|---|---|---|---|
| Number of neurons | Pre-target | Early reward-delay | Late reward-delay | Post-reward 4–800 ms | Post-reward 8–1200 ms | Post-reward 12–1600 ms | |
| Monkey S | |||||||
| Dorsal | 74 | 58 (78.4) | 53 (71.6) | 47 (63.5) | 26 (35.1) | 21 (28.4) | 19 (25.7) |
| Central | 81 | 49 (60.5) | 56 (69.1) | 48 (59.3) | 43 (53.1) | 34 (42.0) | 28 (34.6) |
| Ventral | 24 | 13 (54.2) | 13 (54.2) | 11 (45.8) | 10 (41.7) | 17 (70.8) | 11 (45.8) |
| Monkey F | |||||||
| Dorsal | 64 | 45 (70.3) | 53 (82.8) | 47 (73.4) | 46 (71.9) | 42 (65.6) | 38 (59.4) |
| Central | 22 | 11 (50.0) | 16 (72.7) | 16 (72.7) | 16 (72.7) | 10 (45.5) | 9 (40.9) |
| Ventral | 11 | 3 (27.3) | 10 (90.9) | 6 (54.5) | 9 (81.8) | 6 (54.5) | 5 (45.5) |