In the interest of full disclosure, William Tyler is a co-founder and CSO of Neurotrek, Inc based in Silicon Valley, CA and Roanoke, VA. Neurotrek is commercializing the use of ultrasound methods and devices for noninvasive brain stimulation. 
Developing novel brain stimulation approaches, which can have significant impact requires integrated approaches. In order to drive our ultrasonic neuromodulation technology from bench-to-bedside, we are study the influence of ultrasound on brain activity across many levels. Links to each of these areas of focus can be found at right or below.