Genetic-Dependent Brain Signatures of Resilience: Interactions among Childhood Abuse, Genetic Risks and Brain Function
Lu, H.; Rolls, E. T.; Liu, H.; Stein, D. J.; Sahakian, B. J.; Elliott, R.; Jia, T.; Xie, C.; Xiang, S.; Wang, N.; Banaschewski, T.; Bokde, A. L. W.; Desrivieres, S.; Flor, H.; Grigis, A.; Garavan, H.; Heinz, A.; Bruhl, R.; Martinot, J.-L.; Martinot, M.-L. P.; Artiges, E.; Nees, F.; Orfanos, D. P.; Lemaitre, H.; Poustka, L.; Hohmann, S.; Holz, N.; Frohner, J. H.; Smolka, M. N.; Vaidya, N.; Walter, H.; Whelan, R.; Schumann, G.; Feng, J.; Luo, Q.
Show abstract
Resilience to emotional disorders is critical for adolescent mental health, especially following childhood abuse. Yet, brain signatures of resilience remain undetermined due to the differential susceptibility of the brains emotion processing system to environmental stresses. Analyzing brains responses to angry faces in a longitudinally large-scale adolescent cohort (IMAGEN), we identified two functional networks related to the orbitofrontal and occipital regions as candidate brain signatures of resilience. In girls, but not boys, higher activation in the orbitofrontal-related network was associated with fewer emotional symptoms following childhood abuse, but only when the polygenic burden for depression was high. This finding defined a genetic-dependent brain (GDB) signature of resilience. Notably, this GDB signature predicted subsequent emotional disorders in late adolescence, extending into early adulthood and generalizable to another independent prospective cohort (ABCD). Our findings underscore the genetic modulation of resilience-brain connections, laying the foundation for enhancing adolescent mental health through resilience promotion.
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