Abstract

Studies using the event-related potentials(ERP) in detection of concealed information were reviewed. First, this study described the concept of ERP and the characteristics of P300. There is a description of P300 as a cortical signal of the recognition of meaningful information. This attribute was applied directly to concealed information detection in the P300-based concealed information test protocol. Important results were reviewed in regard to P300-based concealed information test and P300-based complex trial protocol in previous studies. This study examined the effect of countermeasures in P300-based lie detection. In addition, this study examined previous studies of several components such as N200, late positive potential(LPP), late posterior negativity(LPN), feedback-evoked ERP, medial frontal negativity(MFN) in detection of concealed information. Future directions for detection of concealed information using ERP were suggested in order to detect deception with more accuracy.