An emerging brain-scan technology called diffuse optical tomography ( DOT ) can determine which part of the brain does more work than another by shining dozens of LED lights on a patient’s head to detect brain-tissue color changes. DOT has already been used on small areas of the brain, but the technology’s latest version can now scan two-thirds of the brain, Washington Univ. in St. Louis researchers said.
8 thoughts on “LED lights to study the brain”
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