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brain fingerprinting

noun
1.
a technology for determining whether specific knowledge or information is stored in a person's brain, by showing the person certain words or pictures and measuring brain-wave response:
Brain fingerprinting proved that the suspect recognized the murder victim.
Related forms
brain fingerprint, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for brain fingerprinting

brain fingerprinting

noun
1.
a technique in which sensors worn on the head are used to measure the involuntary brain activity of someone in response to certain images or pieces of evidence pertaining to a crime
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for brain fingerprinting
noun

a controversial technique in which a person's neurological responses to images and words are recorded to determine if they are telling the truth, used esp. for identifying dangerous persons or terrorists

Examples

Brain fingerprinting is said to be more effective than a lie detector test.

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