AD Spectrum (image) Cell Press Share Print E-Mail 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. Share Print E-Mail 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.