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欺骗行为会导致欺骗结果的产生,欺骗结果又会直接影响欺骗行为的发生及其内在机制.虽然有研究表明,欺骗结果会对相应的欺骗过程产生调控作用,但对这一调控作用的机制并不清楚.本研究采用功能核磁共振技术,对两组被试分别使用有、无反馈(欺骗结果)的GKT范式并记录两组被试在进行诚实反应和欺骗反应时的大脑激活模式.结果发现,有反馈组与无反馈组相比,有反馈组的诚实反应和欺骗反应都导致了左侧顶叶皮层、左背部前扣带皮层、左侧脑岛、双侧视皮层和右侧小脑的更大激活;对两组而言,欺骗反应和诚实反应都导致了右腹外侧前额区域、双侧缘上回、左侧脑岛、右后内侧额叶、右侧颞中回和右侧纹状体的更大激活;此外,与无反馈组相比,有反馈组的欺骗反应与诚实反应在双侧纹状体和左侧脑岛上的激活差异更加明显.这些结果表明,有无欺骗结果对欺骗过程的神经机制具有调控作用,当需要面临欺骗结果时,欺骗过程将更大程度地涉及到奖赏预期和风险厌恶过程的参与.
Fraudulence will lead to the fraudulent result, which will have a direct impact on the fraudulent act and its internal mechanism.Although some studies have shown that fraudulent result will have a regulatory role in the corresponding deception process, but the mechanism of this regulatory role and Unclear.This study used functional magnetic resonance imaging, two groups of subjects were used, respectively, with no feedback (deceptive result) GKT paradigm and record two subjects were engaged in honest and deceptive responses of the brain activation patterns found that , There was a feedback group with no feedback group compared to the feedback group of honesty and cheating reaction led to the left parietal cortex, left anterior cingulate cortex, left insula, bilateral visual cortex and right cerebellar Greater activation; for both groups, deception and honesty led to the right ventricular extrafusal forehead area, bilateral margin of the upper and lower left insular island, right posterior medial frontal lobe, right middle temporal gyrus and right In addition, there was a more obvious difference in the activation of cheating and honesty on the bilateral striatum and the left insula on the feedback group compared with the non-feedback group, and these results showed that there was no fraud The result is correct Cheat neural mechanisms of process regulation has, when faced with the need to deceive a result, the deception process will involve a greater degree of reward to risk aversion and expected to participate in the process.