ERP is another forensic technology about the variations of the electric potential related to the human 's event when the tested is lying, which is still in the stage of research in the laboratory.

脑电波测试(erp)是另一种利用被测谎人说谎时人脑事件相关电位的变化进行测谎的刑事技术，其仍处于实验研发阶段。