brain fingerprinting

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 formsbrain fingerprint, noun 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