Saturday, October 31, 2009

Lie detector, how?

how exactly does a lie detector work? i thought it works with your heart rate? but what if your really nervouse, and your heart is beating really fast, can a lie detector ever be wrong?



Lie detector, how?

The lie detector works by measuring physiological responses such as respiration, blood pressure, galvanic skin response, etc.



See the link.



The lie detector is actually worthless. It has no value in detecting truth or falsity. It is not admissible in a court of law. The sooner these pieces of junk or thrown on the trash-pile, the better.



Lie detector, how?

More than just heart rate, galvanic action, breathing, brain waves, etc.

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