VIDEO EXPLAINER/ ARTICLE: The hallmark of intelligence is the ability to learn new tasks. How does the human brain go about the task? The human brain, remarkable as it is, does not go about the task of learning in a very efficient manner. It uses a highly inefficient approach called “Reassociation.” We appear to learn new tasks simply by repeating the original neural activity patterns and swapping their assignments. Although “quick and dirty” it’s not the best way to learn.