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                                Chapter 3
 Conclusion
In conclusion, we found evidence that the insula and mPFC generally respond to socially salient feedback, with no significant differentiation between negative and positive feedback. Positive social feedback received less attention in prior research and it has often been used as a baseline, but our findings show activation in the ventral mPFC and the striatum that is stronger for positive feedback. Additionally, the lateral PFC emerged as an important modulator for individual differences in aggression regulation. This may imply that individuals who show strong activation in the lateral PFC after negative social feedback may be better able to regulate behavioral impulses, and speculatively, impulsive responses in general (Casey et al., 2011). This hypothesis that should be addressed in longitudinal research, including more general measures of impulsivity. An interesting direction for future research is to examine the neural mechanisms underlying social evaluation and aggression regulation processes in populations that are known for difficulties with response control and affect regulation, such as ADHD (Evans et al., 2015), externalizing problems (Prinstein and La Greca, 2004), and depression (Nolan et al., 2003; Silk et al., 2014).
Acknowledgments
The Consortium on Individual Development is funded through the Gravitation program of the Dutch Ministry of Education, Culture, and Science and the Netherlands Organization for Scientific Research (NWO grant number 024.001.003). MJBK was funded by the Netherlands Organization for Scientific Research (VICI) and the European Research Council (AdG 669249).
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