Effect of single dose methylphenidate on walking and postural stability under single- and dual-task conditions in older adults--a double-blind randomized control trial.

Background: Methylphenidate (MPH) action may improve executive function and motor function. Effects of MPH on balance function in older adults were investigated.

Methods: A randomized controlled double-blind study examined the effects of a single dose of MPH on gait and postural stability in 30 healthy older adults (mean age = 74.