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Heritability estimates: right RMFG thickness = 71.34%, left RMFG thickness = 61.56%, positive affect = 23.96%, sadness = 22.44%, perceived stress = 33.85%. * = significant at p<0.05. Household effects (i.e., living with the same biological mother) were used to test for shared/rearing environment and found to be nonsignificant (p >.05 across all phenotypes). Thus, any remaining variance can be attributed to individual specific environmental factors or error.
