Washington University School of Medicine is the birthplace of this scanner similar to a CAT scanner.  It was first to reveal brain function
[DOC] [TLE] Michel M. Ter-Pogossian, 71; Led Research on PET Scanner - The ... [PAR] Jun 21, 1996 ... Dr. Ter-Pogossian had been associated with Washington University ... Much of 
his pioneering work was done at Washington University Medical School ...