Table 2.
Brain regions exhibiting group differences in the relationship between interoceptive sensation ratings and activation in response to food pictures
| Region | Coordinates
|
Peak t | f2 | Volume (mm3) |
||
|---|---|---|---|---|---|---|
| x | y | z | ||||
| Foods – Objects | ||||||
| Stomach | ||||||
| R posterior insula | +39 | −17 | +9 | 4.30 | 0.58 | 161 |
| R amygdala | +27 | +4 | −14 | −4.05 | 0.40 | 59 |
| Heart | ||||||
| R vmPFC | +8 | +20 | −15 | −3.52 | 0.38 | 96 |
| High palatability – Low palatability foods | ||||||
| Stomach | ||||||
| L amygdala | −22 | −3 | −19 | 4.83 | 0.53 | 230 |
| L sgACC | −1 | +18 | −10 | 3.88 | 0.39 | 107 |
| L ventral pallidum | −15 | −3 | −1 | −3.99 | 0.40 | 86 |
| VTA | +3 | −15 | −7 | −4.03 | 0.42 | 43 |
| Heart | ||||||
| R vmPFC | +4 | +15 | −17 | −3.61 | 0.40 | 107 |
| L putamen | −25 | +3 | +2 | −3.41 | 0.32 | 75 |
R=Right; L=left; vmPFC=ventromedial prefrontal cortex; VTA=ventral tegmental area. Coordinates are in Talairach space.
No statistically significant clusters were found outside of the anatomically defined a priori regions of interest. Modified f2 values were calculated using program at http://hermanaguinis.com/mmr/fsquared/based on procedures described in Aguinis H, Pierce CA. Computation of effect size for moderating effects of categorical variables in multiple regression. Appl Psychol Meas 2006;30:440–442.