Dr. Lawrence A. Farewell Presented by Tonya Slager Brain Fingerprinting Dr. Lawrence A. Farewell Presented by Tonya Slager

The fundamental difference between the perpetrator of a crime and an innocent person is that the perpetrator, having committed the crime, has the details of the crime stored in his memory, and the innocent suspect does not. This is what Brain Fingerprinting testing detects scientifically, the presence or absence of specific information.

Defining Brain Fingerprinting Scientific technique to determine whether or not specific information is stored in an individual's brain Relevant words, pictures or sounds are presented to a subject by a computer in a series with stimuli The brainwave responses measured using a patented headband equipped with EEG sensors P300- Specific, measurable brain response emitted by the brain of a subject who has the relevant information stored in his brain

How Does it Work? measurements are recorded in fractions of a second after the stimulus is presented, before the subject is able to formulate or control a response Dr. Farwell discovered that the P300 was one aspect of a larger brain-wave response that he named and patented, a MERMER (memory and encoding related multifaceted electroencephalographic response)

Brain responses were recorded from the midline frontal, central, and parietal scalp locations, referenced to linked mastoids (behind the ear), and from a location on the forehead to track eye movements At the end of each test, subjects were given a written list of all stimulus items and asked to mark each item as noteworthy, somewhat noteworthy, or irrelevant – those marked were thrown out

Information is absent Information is present

The MERMER includes: 1. The P300 -an electrically positive component maximal at the parietal scalp site 2. Another, longer latency, electrically negative subcomponent prominent at the frontal scalp site 3. Phasic changes in the frequency and structure of the signal.

Types of Stimuli Used Probes Targets Irrelevant Stimuli Life-experience related Relevant to the investigated event -recognizable and noteworthy only for the subjects who had participated in the event (MERMER) Indistinguishable from the Irrelevants for a subject who is not knowledgeable about the situation under investigation Targets Push a button to indicate known image Since the relatively rare Targets are singled out in the task being performed, the Targets are noteworthy for the subject, and each Target stimulus elicits a MERMER Irrelevant Stimuli information relevant to the crime that the suspect claims to have no knowledge of

Case Studies FBI- new agents 100% accurate CIA- 3 experiments Pictures rather than verbal cues Words/phrases to determine connection between professionals, their organization, and known information related to work Real-life events including 2 felony crimes Overall 79 participants with 100% accuracy

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