Cognitive trajectory vs. diet quality (IMAGE) American Society for Nutrition Caption Distribution of participants with low, moderate, or high-quality diets over time (based on Healthy Eating Index scores) across the four trends in cognitive ability over time (low, low-moderate, high-moderate, or high global cognitive ability). Low diet quality was linked with lower cognitive ability over time while high diet quality was linked with higher cognitive ability. Credit Kelly C. Cara, Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, Tufts University Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.