AD Spectrum (IMAGE) Cell Press Caption This figure shows associations between the Clinical Disease Severity and the Extent of Areas Showing Increased 18F-PM-PBB3 Binding in the AD Spectrum. Credit Tagai, Ono, and Kubota et al Usage Restrictions Credit Required. 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.