Table 4.
Regions observed during response preparation (correct trials only) that showed significant interaction effects
| Talairach coordinates |
Region | BA | Effect | F | P | Volume (mL) | ||
| x | y | z | ||||||
| 11 | 8 | −7 | Right ventral striatum* | ** | A × T | 2.59 | 0.05 | 216 |
| −7 | 29 | 35 | Left MFG/anterior cingulate** | 8, 32 | A × I × T | 3.84 | 0.012 | 135 |
| 17 | −10 | 53 | Right MFG/superior frontal gyrus** | 6 | A × T | 2.92 | 0.038 | 135 |
| −25 | −19 | 47 | Left superior precentral sulcus** | 6 | A × I × T | 2.92 | 0.038 | 297 |
| −25 | −13 | 56 | Left superior precentral sulcus* | 6 | A × I × T | 2.89 | 0.032 | 324 |
| −31 | −10 | 44 | Left superior precentral sulcus** | 6 | A × I × T | 2.91 | 0.038 | 270 |
| −28 | −1 | 35 | Left inferior precentral sulcus** | 6 | A × I × T | 3.28 | 0.024 | 135 |
| 8 | −58 | 53 | Right precuneus* | 7 | A × T | 3.09 | 0.024 | 648 |
Note: Single asterisk indicates that interaction is across 13 estimated time points, double asterisks indicate that interaction is across TRs 3–6. Abbreviations: A × T = age by time interaction and A × I × T = age by incentive by time interaction.