5 years ago
Brain imaging lie-detector can be beaten with simple techniques, research shows
People have certain physical ‘tells’ when they conceal information – and studies show that good liars can prevent these ‘tells’ being detected by displaying physical red herrings of their own. But scientists have now shown that even a brain imaging technique called fMRI, which in theory is much harder to trick, can be beaten by people who use two particular mental countermeasures.
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