PET Imaging (IMAGE) University of Pennsylvania School of Medicine Caption PET imaging using the radiotracers FDG and florbetapir to quantify cognitive decline in patients with Alzheimer's disease (AD), mild cognitive impairment (MCI), and healthy controls Credit Penn Medicine Usage Restrictions None 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.