Table 3.
Effect of monetary incentive delay (MID) task (reward anticipation and feedback) on brain activity in our regions of interest (ROIs), showing t-statistics and p-values. Degrees of freedom=23 for each test. Alpha value was reduced to 0.006 to account for multiple tests.
| Region |
t | p |
|---|---|---|
| Reward anticipation | ||
| L medial frontal gyrus | 0.962 | 0.347 |
| R insula | 3.87 | 0.001 a |
| R NAcc | –1.25 | 0.225 |
| L NAcc | –0.06 | 0.950 |
| R thalamus | 0.11 | 0.915 |
| L thalamus I | –1.68 | 0.108 |
| L thalamus II | –2.03 | 0.055 |
| L culmen | 2.05 | 0.052 |
| Reward feedback | ||
| R subcallosal gyrus | 2.22 | 0.037 |
| L parahippocampal gyrus | 3.31 | 0.003 a |
| R parahippocampal gyrus | 3.38 | 0.003 a |
| R caudate | 3.46 | 0.002 a |
| R NAcc | 2.28 | 0.033 |
| L NAcc | 4.02 | 0.001 a |
| L amygdala | 2.22 | 0.037 |
L: left; NAcc: nucleus accumbens; R: right.
a
Significant results are highlighted in bold.