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Evidence

University of Georgia School of Law

2012

Scientific Evidence

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Liar, Liar, Jury's The Trier? The Future Of Neuroscience-Based Credibility Assessment And The Court, John B. Meixner Jr. Jan 2012

Liar, Liar, Jury's The Trier? The Future Of Neuroscience-Based Credibility Assessment And The Court, John B. Meixner Jr.

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Neuroscience-based credibility-assessment tests have recently become increasingly mainstream, purportedly able to determine whether an individual is lying to a certain set of questions (the Control Question Test) or whether an individual recognizes information that only a liable person would recognize (the Concealed Information Test). Courts have hesitated to admit these tests as evidence for two primary reasons. First, following the general standard that credibility assessment is a matter solely for the trier of fact, courts exclude the evidence because it impinges on the province of the jury. Second, because these methods have not been rigorously tested in realistic scenarios, courts …