BRAIN FINGERPRINTING AS A LIE DETECTION TECHNIQUE?

  • Árpád Budaházi National University of Public Service Faculty of Law Enforcement Department of Criminal Procedure Law
Keywords: lie detection, brain fingerprinting, P300, electroencephalography, testimony

Abstract

According to some researchers, the brain fingerprinting technique is suitable for lie detection. Others see concerns about the method, and they doubt the applicability of brain fingerprinting. The technique is based on electroencephalography (EEG). The experts examine the electrical activity of the brain with it. Electrodes are placed on the scalp and connected to an electrically neutral area of the head (e.g., the earlobe). The technique also includes a screen on which the subject sees images. The experts examine with the method how the brain responds to the pictures shown one by one. The paper presents the experiments related to the brain fingerprinting technique. We search how the technique works and analyzes criminal cases in the United States in which brain fingerprinting has been used. We describe the brain fingerprinting examination process and methodology and examine whether the technique is suitable for lie detection. We also answer the question of whether the procedure is ideal for use in criminal cases.

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Published
2021-11-26
Section
Criminalistic and Criminal Justice Aspects in Solving and Proving of Criminal Of