At a glance
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The Effects of Noninvasive Brain Stimulation on Physical and Mental Functioning in Older Adults
In Brief
A clinical study evaluating Real tDCS and Sham tDCS for Aging. Completed, enrolled 19 participants across 1 site.
Detailed Summary
The objective of this study is to determine whether augmentation of prefrontal brain excitability using noninvasive transcranial direct current stimulation (tDCS) lessens the severity of the symptom triad associated with cerebral microvascular disease (CMD); that is, slow gait, cognitive dysfunction and depressive symptoms. Investigators will complete this objective by conducting a pilot, double-blinded randomized controlled trial of a 10-day intervention of real versus sham tDCS in 40 subjects.
Study Details
Timeline
Interventions
Transcranial direct current stimulation (tDCS) enables noninvasive, selective and sustained modulation of cortical activation. tDCS works by sending low-level currents between two or more scalp electrodes, which alters brain polarity and thus, perfusion and cortical excitability.
For sham tDCS, current will only be applied for the first 60 seconds of each 20 minute session. This is a reliable sham control as sensations arising from tDCS diminish considerably after the first minute of stimulation.