Scan a brain, read a mind?

April 13, 2014 3:35 PM

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Scan a brain, read a mind?

(CNN) -- What we write online may be intercepted, filtered and publicized, but we'd like to think that the thoughts and images in our heads are totally private.

For better or worse, science may change that. Over the last few years, researchers have made significant strides in decoding our thoughts based on brain activity.

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