The role of conflict processing mechanism in deception responses

A considerable number of studies have described the potential neural mechanism of deception, but most deception studies have relied upon deception from experimental supervisor instruction. Experimental control (participants follow instructions to deceive without any risk) means that the deception oc...

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Bibliographic Details
Published inScientific reports Vol. 12; no. 1; p. 18300
Main Authors Wu, Jintao, Huang, Jie, Li, Jiaxuan, Chen, Xianglin, Xiao, Yi
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 31.10.2022
Nature Publishing Group
Nature Portfolio
Subjects
631/378/2649
631/477/2811
Brain - physiology
Brain Mapping
Deception
Event-related potentials
Evoked Potentials - physiology
Humanities and Social Sciences
Humans
Information processing
multidisciplinary
Neuroimaging
Oscillations
Reaction Time - physiology
Science
Science (multidisciplinary)
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Summary:A considerable number of studies have described the potential neural mechanism of deception, but most deception studies have relied upon deception from experimental supervisor instruction. Experimental control (participants follow instructions to deceive without any risk) means that the deception occurs in a way that does not come close to the real deception. In the current study, a neural imaging experiment on deception closer to the real deception was conducted. Event-related potential (ERP) and event-related spectral perturbation (ERSP) techniques were used to explore the neural mechanism of deception. The results showed that deceptive response evoked larger medial-frontal negativity (MFN) and smaller response-locked positivity (RLP) than truthful response. We interpret these findings to indicate that conflict detection and emotional processing are associated with deception. In addition, magnitudes of alpha and beta oscillations after the deceptive response were significantly smaller than those after the truthful response, demonstrating that deception is associated with neural oscillations reflecting conflict adjustment. The results comprehensively characterized the physiological properties of the brain oscillations elicited by a deceptive response and provided a theoretical foundation for detection in practical applications.
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ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-022-21569-7