![]() Justice Ginsburg and the bear, say, may come to mind as your brain examines and discards a scrap of news it picked up about the Supreme Court and the Department of the Interior. MORE: How Dream Therapy Can Change Your Life As that data streams by on the computer screen of the sleeping mind, some of it gets snatched up and randomly stitched into the crazy quilt of dreams, which often only vaguely resemble the literal content of the information. ![]() The hippocampus is then cleared to gather more the next day, while the neocortex decides what to transfer to long-term memory and what to discard. Researchers had long suspected that that process, if it exists, plays out between the hippocampus - which controls memory - and the neocortex, which governs higher order thought.Ī 2007 study at the Max Planck Medical Institute in Heidelberg, Germany helped confirm that theory: working with anesthetized mice, the researchers found that as the neocortex fires during sleep, it signals various regions in the hippocampus to upload whatever information they’ve been holding in short-term storage. ![]() ![]() The least glamorous explanation for any dream is that it serves as a sort of data dump - a clearing of the day’s useless memories and a caching of the valuable ones. ![]()
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