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brain fingerprinting

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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 formsbrain fingerprint, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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