测谎仪的基本概念是：多种波动描记器先通过参照问题得到你的“基础反映”。

The basic idea is this: The polygrapher asks "control" questions in order to get your "baseline responses."

youdao

事实上，多种波动描记谎言测试器的先驱之一约翰·拉森（John Larson）说过：“我为自己曾经参与这项研发感到抱歉”。

In fact, John Larson, one of the pioneers of polygraphic lie detection, says "I'm sorry I ever had any part in it's development."

youdao