Brain fingerprinting

Brain fingerprinting (BF) is a lie detection technique which uses brain waves from a electroencephalography (EEG) to determine whether specific information is stored in the subject's cognitive memory. It was invented by Larry Farwell, a Harvard-graduated neuroscientist, and published in 1995. The technique involves presenting words, phrases, or pictures containing salient details about a crime on a computer screen, in a series with other, irrelevant stimuli to identify whether the suspect recognizes the crime-related items. Although brain fingerprinting has been used in investigations, the test results themselves can not be admitted as evidence in a legal trial.

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