After adjusting for age, sex, race, and parental education, Noble and colleagues associated family income with cortical surface area. Areal brain regions shown in red were significantly smaller in children from low-
Research from “Family income, parental education, and brain structure in children and adolescents” by K. G. Noble et al., 2015, NatureNeuroscience, online doi: 10.1038/nn.3983, Figure 2C, p. 4.