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. 2011 Feb 4;119(7):908–913. doi: 10.1289/ehp.1002529

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SPM maps corrected for verbal IQ and lead exposure (A) or corrected for verbal IQ, lead exposure, and task performance (B) of significant group differences (p < 0.001) in activation of the working memory network. Green indicates regions where painters had lower activation and blue indicates regions where painters had higher activation, compared with controls.