Ive heard that people can beat the polygraph. Is that true?
It depends on your definition of beating the polygraph. A polygraph instrument displays physiological data from your Autonomic Nervous System. Things like relative blood pressure and volume, and sweat gland activity, are quite difficult to control. There are a variety of ways in which certain responses may be manufactured or created by the examinee. However, this does not change the fact that significant physiological responses are still occurring to the relevant questions. What it does indicate is that the examinee is attempting to influence the test result. An astute examiner will spot these efforts with little difficulty, and will make a note of them. Whether there is a definitive examination result, or the examination must be considered Inconclusive, certainly such efforts go far in showing the examinees mindset and intent. Such actions will likely not help the examinee be cleared from whatever suspicions are prompting the examination, and may very well result in a less favorable r
