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. 2011 Sep 8;6(9):e24126. doi: 10.1371/journal.pone.0024126

Figure 1. CPAL performance: In both graphs a larger score equates to better performance.

Figure 1

a) Age, baseline performance, IQ and MMSE adjusted CPAL scores from experiment 1. Significant negative effects occur as early as 6 hours post donepezil. b) Individual subjects arcsine transformed CPAL scores from experiment 2. The x axis shows the individual subject's age (boxes indicate decade boundaries; 50′s, 60′s, 70′s). This highlights the treatment by age interaction (negative effect of donepezil for participants in their 50′s, positive for participants in their 70′s). Values in figure 1b have not been adjusted for covariates i.e. baseline score or session effects.