Technologies like iris and fingerprint scanning have existed for years (and it’s even in our phones), and are reasonably good at telling one person from another. There might be an easier way, though. What if a system could simply scan your brain and verify your identity? Researchers from the Basque Center for Cognition and Binghamton University are close with a technique fittingly called Brainprint.
Past efforts to tell people apart on the basis of brain activity have been fraught with difficulty and poor accuracy. The problem is that there are far too many things going on in the brain to pull out a recognizable pattern. The Basque and Binghamton team worked around this by looking only at the area of the brain that handles reading and recognizing words. The researchers found that by watching this area and how it responded to hearing various acronyms like DVD and FBI, they could determine participants’ identities with 94% accuracy.
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