The present paper dedicated to the research of the functional interactions between brain structures while executing deliberate deceptive actions. Based on our own and literature data, we formulated the hypothesis that the functional interaction between brain areas responsible for the executive control, localized in the prefrontal cortex (inferior frontal gyrus), and the elements of error detection brain system, underlies deception. To test this hypothesis, we applied an analysis of the psychophysiological interaction (PPI), which revealed that the false actions (in comparison with true honestones) associated with increased functional connectivity between the left caudate nucleus and the left inferior frontal gyrus. Obtained experimental data support our hypothesis that the interaction of neural brain systems, which are responsible for executive control and error detection, underpins the brain maintenance of the execution of deceptive actions.
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