GE Signa PET-MR Scanner (IMAGE) Umea University Caption The GE Signa PET-MR scanner at the University Hospital of Umeå will be used in Anna Rieckmann's research on the aging brain. Credit Mikael Stiernstedt Usage Restrictions This photo may only be used in contexts related to this news release. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.