Brain of Control vs. Person with PPA (IMAGE) University of Arizona Caption A person with primary progressive aphasia activates part of the right-hand side of their brain (shown in blue) to decipher a sentence, whereas the normal person (left-hand image) does not. Credit Aneta Kielar, University of Arizona Usage Restrictions The image <Brain of control vs. person with PPA> may only be used to illustrate a story about the research described in the accompanying news release, "Some can combat dementia by enlisting still-healthy parts of the brain." Please make sure to credit the image as requested. Do not post this photo independent of the story. 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.