Mild cognitive impairment signs & study by Health Professional Radio published on 2019-07-07T23:36:18Z Dr. Douglas W. Scharre, MD, discusses BrainTest® and how it works, the latest current study being conducted at OSU, Cornell and Rockefeller Neuroscience Center where the ultrasound is used to break up plaque in the brain allowing for medications to work better, and how to recognize signs of mild cognitive impairment (MCI). Genre Science