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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Neurobiol Aging. 2018 Feb 10;66:180.e11–180.e21. doi: 10.1016/j.neurobiolaging.2018.02.005

Fig. 3.

Fig. 3

Immediate word recall by BDNF rs6265 genotype (n = 7,331). Error bars represent standard error; M = male, F = female. Higher scores (i.e., more words recalled) are desired. Among the oldest males, Val/Val and Met/Met outperformed Val/Met individuals (p < 0.01). As the Val/Val genotype is associated with the highest BDNF and DA availability and thus Val/Val individuals were expected to perform best, these data partially support initial predictions. Contrasts did not indicate effects in females or in the younger age groups.