Deception has been of interest to psychologists, forensic experts, and laymen (Woodruff and Premack, 1979; Whiten and Byrne, 1988; Saarni and Lewis, 1993; Bradley et al., 1996; Walters, 2000). It has triggered trans-disciplinary scientific investigations within anthropology;philosophy;cognitive,social,and forensic psychology; and recently, cognitive neuroscience. Among the reasons for studying deception, determining the motivation for deceptive behavior, and enhancing recognition of deceptive strategies appear to be of core interest