![]() ![]() It is possible that the relationship between social network size and the ACC is driven by different measures of connectivity or that it only occurs in adolescence. It is noteworthy that there was no correlation between social network size and ACC activation in Study 1. Although previous studies have consistently demonstrated that activation of the ACC is linked to increased awareness of social interaction we found that the relationship was driven by increased social network size at high, but not low levels. We did, however, find a relationship between activation of the ACC and social network size. of gray matter volume in the left caudate and left thalamus, which would help explain why the former is more selectively responsive to mild facial inversion Despite this, the lack of association between emotion processing and social network size in this study indicates that the link between these two variables is likely not driven by increased awareness of other people.Ĭontrary to prior findings, we found that the relationships between insula activation and social network size were not driven by awareness of social interactions.
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