Hippocampus Predicts Rewards by Reorganizing Memories
A new preclinical study reveals that the hippocampus does more than just store memories; it actively reorganizes them to predict future rewards. By tracking brain activity over several weeks, researchers discovered that hippocampal neurons shift their activity to fire before a reward is reached, essentially building a predictive model of the world. These findings offer a new framework for understanding why learning and decision-making are often the first functions to decline in Alzheimer’s disease. ….[READ]
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