Table 3.
Peak NAcc activation by condition
| Condition | Percent signal change (s.e.m.) |
|---|---|
| UNC-ONLY | |
| Uncertain high-gain | −0.065a,b,c (0.05) |
| Uncertain low-gain | −0.22e (0.05) |
| Uncertain low-loss | −0.18c,d,e (0.05) |
| Uncertain high-loss | −0.20d,e (0.06) |
| CERT-UNC | |
| Uncertain high-gain | 0.029a (0.07) |
| Uncertain low-gain | −0.12b,c,d,e (0.06) |
| Uncertain low-loss | −0.17d,e (0.05) |
| Uncertain high-loss | −0.027a,b (0.05) |
| Certain high-gain | −0.11a,b,c,d,e (0.05) |
| Certain low-gain | −0.091b,c,d (0.05) |
| Certain low-loss | −0.16b,c,d,e (0.04) |
| Certain high-loss | −0.19e (0.04) |
Note: Data are activation in the NAcc 4 s following the cue for a condition, in units of percent signal change from the experiment mean in that ROI. The s.e.m. are calculated within condition. Data points that share subscripts do not differ at P < 0.05 (two tailed).