Can someone beat the polygraph?
While an honest person that has done nothing wrong has no reason to try, some people will try to beat the test. The polygraph works by recording changes caused by a person’s sympathetic nervous system. This is the part of the nervous system that makes your heart beat and causes you to breathe, it can only be consciously controlled very slightly. Attempts to control breathing or heart rate are usually picked up by the trained examiners. A dishonest person might try to affect the outcome of their examination by using drugs or other countermeasures in an attempt to mask the changes caused by their sympathetic nervous system when they answer a question untruthfully. A person that is under a physician s care should continue to take their medication as prescribed. Failure to follow the prescribed regimen of any medication could cause a metabolic imbalance and have potentially serious medical consequences for the examinee. Prescription medications taken as prescribed should not normally affec
While an honest person that has done nothing wrong has no reason to try, some people will try to beat the test. The polygraph works by recording changes caused by a person’s sympathetic nervous system. This is the part of the nervous system that makes your heart beat and causes you to breathe, it can only be consciously controlled very slightly. Attempts to control breathing or heart rate are usually picked up by the trained examiners. A dishonest person might try to affect the outcome of their examination by using drugs or other countermeasures in an attempt to mask the changes caused by their sympathetic nervous system when they answer a question untruthfully. A person that is under a physician’s care should continue to take their medication as prescribed. Failure to follow the prescribed regimen of any medication could cause a metabolic imbalance and have potentially serious medical consequences for the examinee. Prescription medications taken as prescribed should not normally affec
