BRAIN FINGERPRINTING BY YASHASREE.T 08891A0515

Introduction * Brain Fingerprinting was invented by Dr. Lawrence A Farwell. * “Brain Fingerprinting “ is a computer-based test that is designed to discover, document, and provide evidence of guilty knowledge regarding crimes, and identify members of dormant terrorist cells. * Brain fingerprinting is a technique that measures recognition of familiar stimuli by measuring electrical brain wave responses to words, phrases, or pictures that are presented on a computer screen.

Working Principle * The entire Brain Fingerprinting system is under computer control, including presentation of the stimuli, recording of electrical brain activity, a mathematical data analysis algorithm that compares the responses to the three types of stimuli and produces a determination of “information present” or “information absent”, and a statistical confidence level for this determination

Working principle(Cont.) * How the technology works? * When someone commits a crime, his brain records it has a memory. * Brain fingerprinting seeks to reveal that memory, by showing the suspect evidence taken from the crime scene. * A head band with sensors is placed on the subject. * A series of pictures or words is flashed on the screen

Working principle(Cont.) * The computer records the brain waves produced in response to what the subject sees. * The brain responses called a P300 MERMER are recorded as a wave form. * By analyzing MERMER (Memory and Encoding Related Multifaceted Electroencephalographic Response) the pattern of waves, Farwell can determine if the subject is recognizing what he is seeing.

Equipment

Equipment

Statistical View y

Scientific Procedure * Brain fingerprinting incorporate the following procedure. * A sequence of words or pictures is presented on a video monitor under computer control. Each stimulus appears for a fraction of second. * Three types of stimuli are presented: 1) Targets, 2) Irrelevant and 3) Probes.

Scientific Procedure(Cont.) * The TARGETS stimuli consist of information known to suspect about the crime which will establish a baseline response and elicit a MERMER. * The IRRELEVANTS stimuli consist of information that has nothing to do with the crime, which will establish a baseline brain response for information that is not significant to the suspect in context of the crime. These IRRELEVANTS do not elicit a MER-MER. * Some of the non-target stimuli are relevant to the situation being tested. These relevant stimuli are referred to as PROBES.

Equipment and Technology * The brain fingerprinting system comprises * A personal computer (Pentium iv, 1 GHz IBM PC) * A data acquisition board. * Two monitors * A EEG(Electroencephalogram) amplifier * Software for data acquisition * Some electrodes .

Equipment and Technology(Cont.) Computer controlled(Contd.) * During the data collection, the stimuli are displayed to the subject on one monitor and the investigator views another monitor. * Investigator gets the summary of the textual information and the wave form.

Benifits * Identify criminal quickly and scientifically. * Record of 100% accuracy. * Confirm innocence, clear the falsely accused, and the falsely convicted. * Provide immediate scientific result : Information present or Information absent i.e., the crime relevant information is not stored in the brain of the suspect within a few hours(same day).

Benefits(Cont.) * Reduce costs and complexities. Provide a straight forward, scientific method of distinguishing between perpetrators and innocent suspects. * Access criminal evidence in the brain. Evidence of a crime is virtually always stored in the brain of the perpetrators; fingerprints and DNA though accurate and highly useful, can only be collected in approximately 1% of all criminal cases.

Conclusion * Brain fingerprinting is a revolutionary new technology for solving crimes, with a record of 100% accuracy. * The technology fulfills an urgent need for Governments , law enforcement agencies, corporations, and individuals in a trillion dollar world-wide market. The technology is fully developed and available for application in the field.

THANQ.. .