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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Neurobiol Aging. 2009 Jun 25;32(6):1124–1137. doi: 10.1016/j.neurobiolaging.2009.05.015

Figure 2.

Figure 2

Sex difference in the effect of comt val158met genotype on the Wisconsin Card Sorting Test (WCST) errors. The effect of genotype is significant among men but not among women. Significance level for comparisons: *p < .05. The scores are least-square adjusted means from the model; the bars represent standard errors of those means.