Healthy infants come in a range of sizes, but since growth tends to follow a fairly predictable path, physicians and new parents often refer to a growth chart to determine whatâ€™s normal. Now, researchers at the University of California, San Diego are looking to do something similar with the brain. Graduate student Chun Chieh Fan says they can use 3D imaging techniques to determine brain anatomy based on genetic heritage.
"We can have a normal trajectory, given your ancestral background and we can really look at when we should feel concerned when you deviate away from this norm. So the beauty of our current result is that it can go both ways. If you give us your brain imaging, we can calculate how similar your brain to a given proportion of your ancestral background, or you can give your ancestral information and then we can predict what is the expected brain shape, given your ancestral background."
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