Polygraphy tests do not detect lies, says Frank Horvath, past president of the American Polygraph Association.They detect physiological arousal to psychological stimuli.

• “多波扫描器并不能测探到谎言，”美国多波图谱协会前会长弗兰克?霍法思说，“它只能探测到对于心理刺激所产生的生理应激。”