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. 2014 Apr 3;9(4):e93623. doi: 10.1371/journal.pone.0093623

Figure 1. Correlations between basal ganglia volumes and different aspects of intelligence independent from prefrontal cortical influence.

Figure 1

Scatterplots indicate the distribution of subcortical volumes and intelligence scores. A. Significant correlation between total caudate volumes and fluid figural intelligence scores only in males. B. Significant correlation between total pallidum volumes and crystallised figural intelligence only in females. C. Significant correlation between right caudate volumes and crystallised numeric intelligence in both males and females. ICV, intracranial volumes; SW, standard values (population mean = 100, SD = 10).