Table 2.
Psycho-physiological interaction (PPI) activity for viewing positive social emotions (versus neutral emotion).
| Region | L/R | BA | Montreal Neurological Institute (MNI) Coordinates | Cluster Size (mm3) | t-value |
|---|---|---|---|---|---|
| Low SA, PPI of Positive > Neutral | |||||
| Supramarginal Cortex | L | BA2 | [-63, -31, 31] | 513 | 5.50 |
| Superior Frontal Cortex | L | BA8 | [-21, 5, 49] | 729 | 5.06 |
| Superior Frontal Cortex | L | BA8 | [-18, 17, 61] | 243 | 4.62 |
| Middle Frontal Cortex | L | BA46 | [-33, 41, 25] | 243 | 4.23 |
| Low SA, PPI of Positive < Neutral | |||||
| No significant cluster | |||||
| High SA, PPI of Positive > Neutral | |||||
| No significant cluster | |||||
| High SA, PPI of Positive < Neutral | |||||
| Inferior Occipital Cortex | L | BA19 | [-39, -70, -5] | 5562 | 8.36 |
| Inferior Occipital Cortex | R | BA19 | [39, -73, -5] | 8289 | 6.86 |
| Lingual | R | BA17 | [15, -88, -2] | 1836 | 6.43 |
| Middle Temporal Gyrus/Superior Temporal Sulcus (STS) | R | BA22 | [51, -34, 4] | 1620 | 5.46 |
| Inferior Frontal Operculum | R | BA44 | [45, 8, 22] | 945 | 5.21 |
| Inferior Frontal Operculum | L | BA44 | [-48, 5, 28] | 1917 | 5.02 |
| Inferior Frontal Triangularis | R | BA48 | [39, 26, 16] | 513 | 4.78 |
| Inferior Frontal Triangularis | L | BA48 | [-36, 32, 7] | 297 | 4.74 |
| Amygdala | L | BA35 | [-18, -10, -14] | 297 | 4.37 |
Seed region was a sphere of 8 mm radius centered at MNI coordinates [-33, 41, 13]. Shown are one-sample t-test results of the Positive > Neutral contrasts for low SA or high SA group (p < 0.001, uncorrected, k = 216 mm3), respectively. BA, Brodmann area; L/R, laterality.