University of Bonn, Institute of Psychology, Germany.
University of Bonn, Institute of Psychology, Germany.
Biol Psychol. 2021 May;162:108093. doi: 10.1016/j.biopsycho.2021.108093. Epub 2021 Apr 15.
Many studies on concealed knowledge involve mock-thefts. The present study compares ERPs of participants concealing knowledge of a morally negative behavior (mock-theft) with ERPs of participants concealing knowledge of a morally positive behavior. Some participants (n= 33) stole a candy box out of an office, whereas others (n= 28) put the candy box into an office as a present. During a concealed information test, participants concealed knowledge of the candy box and a key they had seen in the office (probe stimuli) and honestly indicated not knowing similar irrelevant stimuli. P300s were enlarged for probe, compared to irrelevant stimuli in both conditions, revealing that probe stimuli were more salient than irrelevant stimuli regardless of their moral valence. Likewise, medial frontal negativities were enlarged for probe versus irrelevant stimuli in both conditions, indicating response conflicts when answering deceptively to probe items in both situations.
许多关于隐性知识的研究都涉及模拟盗窃。本研究比较了参与者隐瞒关于道德负面行为（模拟盗窃）的知识的事件相关电位（ERP）与参与者隐瞒关于道德正面行为的知识的事件相关电位。一些参与者（n=33）从办公室偷走了一个糖果盒，而另一些参与者（n=28）则将糖果盒作为礼物放在办公室里。在隐蔽信息测试中，参与者隐瞒了他们在办公室看到的糖果盒和钥匙的知识（探测刺激），并诚实地表示不知道类似的不相关刺激。与无关刺激相比，在两种情况下，探测刺激的 P300 都增大了，这表明探测刺激比无关刺激更突出，而与它们的道德价值无关。同样，在两种情况下，与无关刺激相比，探测刺激与内侧额部负性波都增大了，这表明在两种情况下，当对探测项目进行欺骗性回答时，都会出现反应冲突。
