Table 1. Significant Differences in Brain Activation of the Repeated-Measurement Analyses with the Factor ‘Dopamine', ‘Task' and ‘Food'.
| Effect | Brain region |
MNI coordinates |
Cluster size (in voxels)a | T-value | ||
|---|---|---|---|---|---|---|
| x | y | z | ||||
| Main ‘dopamine': DOPD<CON | Caudate (head) | 6 | 11 | −2 | 7 | 3.99b |
| Caudate (body) | 12 | 5 | 16 | 10 | 3.76b | |
| Main ‘dopamine': DOPD>CON | Superior frontal gyrus | 18 | 47 | 31 | 23 | 4.84 |
| Main ‘task': W>L | Parahippocampus/hippocampus/amygdala/putamen/fusiform gyrus | −24 | −37 | −11 | 603 | 5.58 |
| Anterior/middle cingulate cortex | −3 | 17 | 37 | 128 | 5.63 | |
| Parahippocampus/hippocampus/amygdala/putamen/fusiform gyrus | 30 | −28 | −11 | 615 | 5.41 | |
| Ventromedial prefrontal cortex | 0 | 47 | −8 | 276 | 4.88 | |
| Dopamine × task | Hippocampus | −30 | −25 | −11 | 15 | 5.09 |
| Dopamine × BMI (CON>DOPD) | Supplementary motor region/postcentral cortex | −18 | −7 | 64 | 306 | 5.77 |
| Superior temporal cortex | 48 | −22 | −5 | 16 | 5.56 | |
| Anterior cingulate cortex | −6 | 44 | 4 | 101 | 5.54 | |
Abbreviations: CON, control; DOPD, dopamine depletion; L, liking; W, wanting.
All results are family-wise error-corrected for multiple comparison.
The cluster size of FWE-corrected clusters, based on a primary uncorrected-threshold level of P<0.001.
ROI analyses, results are significant with P<0.05 at cluster and peak level.