金钱刺激下大学生说谎行为的ERP研究  

An ERP Research of Undergraduates' Lying with Money as the Stimulus

作　　者：谭钢[1] 靖东俊 程文娟[1] 程凯[1] 赵轶然 曹贵康[1] 

机构地区：[1]西南大学心理学部,重庆400715 [2]中煤平朔集团有限公司人力资源部,山西平朔036000

出　　处：《西南大学学报（自然科学版）》2013年第12期111-117,共7页Journal of Southwest University(Natural Science Edition)

基　　金：教育部人文社会科学研究资助项目(12XJC190003);西南大学国家重点学科基础心理学211工程资助项目(NSKD11030)

摘　　要：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.In this study,money pictures were adopted as the direct stimulus,which induced the participants to lie,and the ERP technology was used to investigate the intrinsic psychological processing mechanisms of lying and honesty influenced by currency values of different intensity.The results indicated that the ERP waveforms of lying and honesty were similar and the brain areas that made a difference between lying and honesty were all more concentrated in the frontal area,the central area,the parietal area and part of the temporal area.But compared with honesty,lying elicited more significant N2and P3,which suggested that the liar put in more attention resources while lying.In the condition of low-intensity currency value,lying was more significant than honesty in the extensive brain regions for goal stimuli,but these differences were mostly distributed in the temporal area for target stimuli.For later slow waves,the difference between lying and honesty was concentrated in the front and central areas of the cerebral cortex.In the condition of high-intensity currency value,there was no difference for P3that induced by different stimulus,which suggested that there might exist difference in intrinsic psychological processing between initiative lying and passive lying.

关 键 词：金钱 说谎 事件相关脑电 P3 

分 类 号：B842.5[哲学宗教—基础心理学]