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Neurocase. 2008;14(1):59-67. doi: 10.1080/13554790801992792.

fMRI investigation of the cognitive structure of the Concealed Information Test.

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  • 1Department of Psychiatry, University of Pennsylvania and the Veterans Administration Medical Center, Philadelphia, PA, USA.


We studied the cognitive basis of the functional magnetic resonance imaging (fMRI) pattern of deception in three participants performing the Concealed Information Test (CIT). In all participants, the prefrontoparietal lie activation was similar to the pattern derived from the meta-analysis (N = 40) of our previously reported fMRI CIT studies and was unchanged when the lie response was replaced with passive viewing of the target items. When lies were replaced with irrelevant responses, only the left inferior gyrus activation was common to all subjects. This study presents a systematic strategy for testing the cognitive basis of deception models, and a qualitative approach to single-subject truth-verification fMRI tests.

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