Fig. 3

Temporal dynamics of gait functions as %-change of pre-tap and post-tap results for each time point of investigation. AD−: Alzheimer negative, AD+: Alzheimer positive. B: baseline visit (recruitment), T1: follow-up visit (< 6 month), T2: follow-up visit (> 6 month). 10 m walk test (10-MWT), time-up-and-go test (TUG-N), time-up-and-go dual test (TUG-DT)