Francisco Kjolseth | The Salt Lake Tribune University of Utah MRI Tech Michael Reading positions 11-year-old Bryce Hortin in the machine that will periodically capture images of his brain over a 10-year study. At the U of U, psychology professor Deborah Yurgelun-Todd aims to enroll 1,000 Utahns into a study that will ultimately include 12,000 across the country to monitor kids in their preteen and teen years.