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. Author manuscript; available in PMC: 2020 Jul 13.
Published in final edited form as: Nat Med. 2020 Jan 13;26(1):91–97. doi: 10.1038/s41591-019-0713-y

Figure 4. Cortical Volume-Cognition Associations are Strongest in the Most At-Risk Children.

Figure 4.

Cognitive test scores increased most steeply with increases in cortical volume in children from lower income families living in census tracts with greater risks of lead (Pb) exposure. Each data point is an individual participant. The individual panels, delineated by vertical dotted lines, incorporate identical abscissa scales and are ordered left to right with respect to the strength of the standardized regression coefficient of cortical volume. Cortical volume was standardized to ease interpretation. Analysis employed simple linear regression, which tested the statistical significance of coefficients against an F-distribution.