Fig. 3From: Aerobic exercise improves executive functions in females, but not males, without the BDNF Val66Met polymorphismTotal score on the Digit Symbol Substitution Test at trial completion, adjusted for baseline Montreal Cognitive Assessment and baseline Digit Symbol Substitution Test scores. A 6-month aerobic training program significantly improved performance in female brain-derived neurotrophic factor (BDNF) Val/Val carriers and decreased performance in female BDNF Met carriers. No difference was seen in male Val/Val or Met carriersBack to article page