A typical modern polygraph or lie detector machine primarily measures heart rate, blood pressure, respiration, and skin conductivity changes.

Summary "Lie detectors and other truth-telling machines are deeply embedded in everyday American life. Well-known brands such as Isuzu, Pepsi Cola, and Snapple have advertised their products with the ...

Career Do Lie Detector Tests Really Work? The modern polygraph test is widely used, but is it accurate? Posted January 14, 2020 | Reviewed by Abigail Fagan ...

During the time that Aldrich Ames was operating as a Russian spy, the CIA had twice given him a lie detector test. Despite having no special training in how to defeat a lie detector test, Aldrich ...