Table 2.
Discrimination task voxelwise analysis (Peak talairach coordinates, F(1,25) values and cluster size [k])
| Main effect of Reward | Main effect of Threat | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Peak location | x | y | z | F | k | x | y | z | F | k | |
| Parietal | |||||||||||
| Inferior parietal lobule | R | 32 | -64 | 32 | 24.84 | 30 | |||||
| R | 38 | -52 | 41 | 21.97 | 27 | ||||||
| Temporal | |||||||||||
| Inferior temporal gyrus | R | 53 | -46 | -10 | 43.91 | 48 | |||||
| Middle temporal gyrus | L | -49 | -55 | 5 | 22.18 | 20 | |||||
| Superior temporal gyrus | L | -43 | 8 | -22 | 25.64 | 20 | |||||
| Parahippocampal gyrus | R | 26 | -37 | -10 | 20.75* | 32 | |||||
| Frontal | |||||||||||
| Anterior cingulate cortex | R | 5 | 29 | 26 | 39.49 | 79 | |||||
| R | 2 | 35 | 14 | 21.44 | 20 | ||||||
| Mid-cingulate cortex | R | 5 | 2 | 29 | 30.89 | 23 | |||||
| Inferior frontal/Precentral gyrus | R | 47 | 5 | 23 | 22.90 | 55 | |||||
| Middle frontal gyrus | R | 47 | 41 | 17 | 29.69 | 49 | |||||
| Anterior insula | L | -28 | 20 | -1 | 28.05 | 29 | |||||
| R | 32 | 23 | 5 | 31.55 | 39 | ||||||
| Subcortical | |||||||||||
| Thalamus | R | 5 | -10 | 2 | 18.75 | 23 | |||||
| Ventral caudate/nucleus accumbens | L | -4 | 8 | 2 | 38.11 | 38 | |||||
| R | 11 | 11 | -1 | 34.36 | 33 | ||||||
| Mid brain | L | -4 | -25 | -7 | 36.68* | 37 | |||||
| R | 14 | -19 | -7 | 22.17* | 38 | ||||||
*
survived at P < .005 (uncorrected) and 30 voxel cluster extent