![]() Like curious hikers, they roamed the labyrinthian depths of the cortex and took detailed notes of what they saw. This approach is similar to the one that the researchers used to navigate the brain. Perhaps you reach a wall, a fence, or another physical border. A few steps more and you reach the asphalt of a parking lot or the cement of a curb. But take a few more steps and you're on grass. Outside your door, your feet might touch wood or cement - your patio, perhaps. Take a stroll outside your home, and you'll notice the terrain will change. But it's also grounded in a method of exploration that's been around for hundreds of years: Mapping. It's incredibly cutting-edge futuristic, even. And what they found will likely help the researchers of tomorrow to better identify what goes wrong in various diseases and illnesses of the brain, from Alzheimer's to depression. Over time, the AIs got better at being able to spot many of the brain's previously ignored areas. ![]() To make it, the scientists combined over a century's worth of brain research, from 20th-century anatomical models based on dyed, paper-thin slices of cadaver brains, to modern MRI scans designed to show brain activity in live people - hundreds of them. They then programmed these scans into computers running artificial intelligence programs.
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