The Influence of fMRI Lie Detection Evidence on Jury Decision Making Following Post Trial Deliberations

Alex Smethurst; Christopher Wilson; Kimberly Collins

The Influence of fMRI Lie Detection Evidence on Jury Decision Making Following Post Trial Deliberations

Alex Smethurst
, Christopher Wilson
, Kimberly Collins

SSSHL Psychology

Research output: Contribution to journal › Article › peer-review

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Abstract

Functional magnetic resonance imaging (fMRI) is a technology that is used to study the function of the brain. It has been suggested that fMRI could be utilised as a lie detection device. However, many believe that the admittance of fMRI lie detection evidence into the courtroom would be premature, as it is feared that the evidence could have a very persuasive effect on jurors. The current study assessed the veracity of these beliefs and explored whether this effect is more prominent amongst juries or individual jurors. Individual verdicts were found to differ from group verdicts. Yet both on an individual and a collaborative basis, jurors favoured acquittal when presented with fMRI evidence, compared to other forms of lie detection evidence.

Original language	English
Pages (from-to)	147-161
Journal	Applied Psychology in Criminal Justice
Volume	11
Issue number	3
Publication status	Published - 30 Nov 2015

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Copies of this journal or articles in this journal may be distributed for research or educational purposes without charge, provided that all appropriate citation information is included. However, commercial use of APCJ or the articles contained herein is expressly prohibited without the written consent of the editor and publisher. For full information see http://www.apcj.org/author/copy.html [Accessed: 14/12/2015]

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abstract = "Functional magnetic resonance imaging (fMRI) is a technology that is used to study the function of the brain. It has been suggested that fMRI could be utilised as a lie detection device. However, many believe that the admittance of fMRI lie detection evidence into the courtroom would be premature, as it is feared that the evidence could have a very persuasive effect on jurors. The current study assessed the veracity of these beliefs and explored whether this effect is more prominent amongst juries or individual jurors. Individual verdicts were found to differ from group verdicts. Yet both on an individual and a collaborative basis, jurors favoured acquittal when presented with fMRI evidence, compared to other forms of lie detection evidence.",

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The Influence of fMRI Lie Detection Evidence on Jury Decision Making Following Post Trial Deliberations

Abstract

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