An undated image of the human brain taken through scanning technology. The scan shows a person responding to a visual scene, with the imaging technology measuring increases in blood flow to a certain region of the brain. Neuroscientists use functional magnetic resonance imaging techniques -- in which a person's head is put in a machine like a giant magnet -- to gaze deep within the brain to view neural regions that monitor behavior and regulate emotions. It is a young field, but one that ultimately could have as dramatic an impact on the legal system as DNA testing, said Michael Gazzaniga, the director of a new project to study the implications of neuroscience for the U.S. judicial system. TO MATCH FEATURE USA-LAW/BRAIN. REUTERS/Sage Center for the Study of the Mind, University of California, Santa Barbara/Handout (UNITED STATES). EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.
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