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Brain fingerprinting
Presented by
Mounika
1
Contents
• Development
• Introduction
• Definition
• Technique
• Scientific procedure
• Operation
• Advantages
• Applications
• Conclusion
2
Development
• Brain fingerprinting was developed in
United States of America
• It was invented by Dr. Lawrence A.Farwell
3
Introduction
• Brain Fingerprinting is a investigative
technique.
• Brain Fingerprinting is based on the
principle that the brain is central to all
human acts.
4
What is Brain fingerprinting?
Brain Fingerprinting is a new computer based technology
to identify the perpetrator of a crime accurately and
scientifically by measuring brain wave responses to crime
relevant words or pictures(stimuli) presented on a
computer screen.
Brain fingerprints are measured by an EEG event-related
potential,P300-MERMER
5
Technique
• The person to be tested wears a special headband with electronic
sensors that measure the electroencephalography from several
locations on the scalp.
6
• In order to calibrate the brain fingerprinting system, the testee
is presented with 3 types of stimuli.
Target stimuli: are made relevant and noteworthy to
subject
Irrelevant stimuli: have no relation to the situation under
investigation.
Probe stimuli: relevant to the situation under investigation
7
Scientific procedure
MERMER (memory and encoding related multifaceted
electroencephalographic response)is elicited when an
individual recognizes and processes an incoming stimulus
that is significant or noteworthy.
Cntd..
8
• Results of tests for 3 kinds of stimuli are
represented in 3 colored lilnes
Information the suspect is expected to know
It arises due to target stimuli.
Information not known to suspect
It arises due to irrelevant stimuli
Information about crime that only perpetrator would
know.
It arises due to probes.
Cntd…
9
Cntd….
10
"information present""information absent"
Operation
11
Advantages
• Brain fingerprinting has been thoroughly
and scientifically tested.
• The rate of error is extremely low
• Provides immediate scientific result
12
Applications
• Test for several forms of employment,
especially in dealing with sensitive military
and foreign intelligence screening.
• Criminal justice
• Counter terrorism
13
Disadvantages
• Takes the fair amount of time to set up &
conduct properly
• Brain fingerprinting detects only
information, and not intent.
14
Conclusion
Brain Fingerprinting is a revolutionary new scientific technology
for solving crimes, identifying perpetrators, and exonerating
innocent suspects in actual criminal cases, and other
applications.
The technology fulfills an urgent need for governments, law
enforcement agencies, investigators, crime victims, and falsely
accused, innocent suspects.
15
16
Thank you
17

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Brain fingerprinting

  • 2. Contents • Development • Introduction • Definition • Technique • Scientific procedure • Operation • Advantages • Applications • Conclusion 2
  • 3. Development • Brain fingerprinting was developed in United States of America • It was invented by Dr. Lawrence A.Farwell 3
  • 4. Introduction • Brain Fingerprinting is a investigative technique. • Brain Fingerprinting is based on the principle that the brain is central to all human acts. 4
  • 5. What is Brain fingerprinting? Brain Fingerprinting is a new computer based technology to identify the perpetrator of a crime accurately and scientifically by measuring brain wave responses to crime relevant words or pictures(stimuli) presented on a computer screen. Brain fingerprints are measured by an EEG event-related potential,P300-MERMER 5
  • 6. Technique • The person to be tested wears a special headband with electronic sensors that measure the electroencephalography from several locations on the scalp. 6
  • 7. • In order to calibrate the brain fingerprinting system, the testee is presented with 3 types of stimuli. Target stimuli: are made relevant and noteworthy to subject Irrelevant stimuli: have no relation to the situation under investigation. Probe stimuli: relevant to the situation under investigation 7 Scientific procedure
  • 8. MERMER (memory and encoding related multifaceted electroencephalographic response)is elicited when an individual recognizes and processes an incoming stimulus that is significant or noteworthy. Cntd.. 8
  • 9. • Results of tests for 3 kinds of stimuli are represented in 3 colored lilnes Information the suspect is expected to know It arises due to target stimuli. Information not known to suspect It arises due to irrelevant stimuli Information about crime that only perpetrator would know. It arises due to probes. Cntd… 9
  • 12. Advantages • Brain fingerprinting has been thoroughly and scientifically tested. • The rate of error is extremely low • Provides immediate scientific result 12
  • 13. Applications • Test for several forms of employment, especially in dealing with sensitive military and foreign intelligence screening. • Criminal justice • Counter terrorism 13
  • 14. Disadvantages • Takes the fair amount of time to set up & conduct properly • Brain fingerprinting detects only information, and not intent. 14
  • 15. Conclusion Brain Fingerprinting is a revolutionary new scientific technology for solving crimes, identifying perpetrators, and exonerating innocent suspects in actual criminal cases, and other applications. The technology fulfills an urgent need for governments, law enforcement agencies, investigators, crime victims, and falsely accused, innocent suspects. 15
  • 16. 16