Brain Fingerprinting Technology

Brain Fingerprinting Technology 

  • Brain Electrical Oscillation Signature Profiling (BEOSP) also known as brain fingerprinting is a neuro psychological method of interrogation in which the accused’s participation in the crime is investigated by studying their brain’s response. 
    • The BEOSP test is carried out via a process known as electroencephalogram, conducted to study the electrical behaviour of the human brain. Brain fingerprinting is a technology designed to detect concealed information stored in the brain. The technique consists of measuring an electrical brain wave responses to specific stimuli such as words, phrases or pictures presented on a computer screen. 

What differentiates a BEOSP test from a polygraph or a lie detector? 

  • The BEOSP procedure does not involve a question answer session with the accused and is rather a neuro psychological study of their brain. In a polygraph test, the accused person’s physiological indicators are taken into account which include blood pressure, pulse rate, respiration and skin conductivity. However experts say that while a person might be able to control their pulse rate and BP even in times of distress, a BEOSP test offers a much more credible result. 
Legal Evidence? 
  • In 2010, the Supreme Court passed a judgment in the Selvi versus State of Karnataka case where the bench observed that narco analysis, polygraph and brain mapping tests cannot be forced upon any individual without their consent and the test results cannot be admitted solely as evidence. However any information or material discovered during the tests can be made part of the evidence.
    • However, results obtained confirm that brain fingerprinting can accurately detect the presence or absence of concealed information. This means that this technology can generate useful forensic evidence in real-world applications of national security and criminal justice.

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