FIGURE 2.

(a) Variance explained (percentages) for the first 10 principal component in the principal component analysis (PCA) using scaled scores of performance in 52 subtests of the Delis–Kaplan Executive Function System (D‐KEFS) from 60 euthymic bipolar disorder subjects. (b) Plot displaying loading on first (PC1) and second (PC2) principal component for 60 euthymic bipolar disorder subjects. Shades of blur represent serum zinc levels and the principal component analysis used scaled scores of performance in 52 subtests of D‐KEFS