What if a brain wave test could prove whether you’d walked down the street carrying a yellow umbrella?
New research suggests it could: Scientists have pinpointed a specific brain wave that responds to details it has encountered. That could have big implications for courtrooms (if a criminal had been carrying a pink umbrella, for example, a brain scan could help exonerate the suspect carrying the yellow umbrella).
Electroencephalography (EEG) recordings show that the brain wave, known as P300, lights up when a person recognizes something meaningful among a list of random items.
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