Fig. 2From: Aerobic exercise improves executive functions in females, but not males, without the BDNF Val66Met polymorphismTotal time taken to complete the Trail Making Test (B–A) in seconds at trial completion, adjusted for baseline Montreal Cognitive Assessment and baseline Trail Making Test (B–A) scores. A 6-month aerobic training program significantly improved performance in female brain-derived neurotrophic factor (BDNF) Val/Val carriers and decreased performance in male BDNF Val/Val carriers compared with a usual care plus education control program. No difference was seen in female and male Met carriersBack to article page