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采用金钱图片作为直接刺激物,诱发被试主动说谎,并运用ERP技术考察不同强度币值影响下说谎和说真的内在心理加工机制,结果发现:说谎与说真的ERP波形特征比较相似,说谎与说真间产生差异的脑区均比较集中在额区、中央区、顶区及颞叶部分区域,但说谎较说真诱发了更显著的N2,P3,反映说谎者在说谎时投入的注意资源的增多.低强度小币值条件下对目标刺激的说谎在广泛脑区内显著大于说真,但是对靶刺激的说谎与说真的差异多分布在颞区.在晚期慢波上,说谎与说真的差异主要集中在大脑皮层的前部和中央部位.高强度的大币值条件下不同刺激诱发的P3波无差异,说明主动说谎与被动说谎的内在心理过程可能存在差异.
The use of money as a direct stimulus to induce subjects to lie, and the use of ERP technology under the influence of different strength under the influence of monetary value lying and truthful internal psychological processing mechanism and found that: lies and true ERP waveform characteristics are similar, lying and The brain areas that actually said to differ were all concentrated in the frontal area, central area, apical area and temporal lobe area, but lying actually induced more prominent N2 and P3, which reflected the attention resource .Low intensity under the condition of the minimum value of the target stimulus lying in the broader brain area significantly greater than the truth, but the difference between the target stimulus lying and truth in the temporal region. In late slow waves, lying and speaking The true difference mainly concentrated in the front and the central part of the cerebral cortex.Under the high strength of large currency value, there was no difference in the P3 waves induced by different stimuli, indicating that there may be differences in the intrinsic psychological process of active lying and passive lying.