fMRI and Lie Detection – Your Brain Will Give Away Your Lie

For two years I’ve been expressing my enthusiasm for fMRI and other cutting edge brain science technologies as "The Next Big Thing." Last Sunday’s NYT Magazine cover (TimesSelect) was on how fMRI is affecting lie detection. Put simply, we’ve moved well beyond polygraphs. As these technologies become portable and inexpensive, we will have to grapple with some serious ethical questions. For example, lying. Lying is very ordinary – the article says we intentionally lie on average 1.5 times a tday. "Worse than living in a world plagued by uncertainty, in which we can never know for sure who is lying to whom, might be to live in a world plagued by its opposite: certainty about where the lies are, thus forcing us to tell one another nothing but the truth."

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