Complex sentence: Brain Fingerprinting is a controversial forensic science technique that determines whether specific information is stored in a subject's brain by measuring electrical brainwave responses to words, phrases, or pictures that are presented on a computer screen (Farwell & Smith 2001).
Split into simpler sentences: Brain Fingerprinting is a controversial forensic science technique that uses brain-reading techniques to determine whether specific information is stored in a subject's brain. It does this by measuring electrical brainwave responses to words, phrases, or pictures that are presented on a computer screen (Farwell & Smith 2001).