Brain fingerprinting

A modification of lie detection, brain fingerprinting was first developed by Dr.Lawrence A. Farwell of USA. The equipment called electrocap is fixed on the suspect's head. The suspected person is questioned about the crime and also shown the visuals of the crime scene (victim, weapon, time, place and how he committed the crime etc. along with irrelevant words, photographs etc.) to stimulate his brain and encourage a reaction on the computer monitor. Apart from his verbal replies, another computer keeps track of the neuro impulses (brain waves, chemical responses) emitted whenever the visual is seen. The intensity of the brain shoots up whenever a question or the visual stimuli matches the information stored in the brain which occurs if the suspect is the real perpetrator of the crime. This can be tracked and printed to provide the best scientific evidence. It is said to be more accurate than the polygraph test.

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