For most people who, for whatever reason, must pass a lie detector test, this process causes real stress, and sometimes even horror. Unsurprising: a drug test may be more frightening.
According to stereotypes, a polygraph — an apparatus that scans a person’s state during a lie detector test — recognizes any lie. In fact, this is not entirely true: the human brain and the emotional component are too complex mechanisms to allow the machine to easily analyze them.
If desired, the polygraph can be deceived, but in any case we hope that none of our readers will have to do this.
Arousal and emotionality
A modern polygraph works by measuring heart rate, blood pressure and sweating. These data are recorded automatically, and the technician will track changes in them at the moment when a person answers questions. Theoretically, if you can control your heart rate, blood pressure and sweating, you can influence the results of a lie detector test.
You can try to think about something that causes your heart rate to increase. At the beginning of testing, to test the operation of a polygraph, people are asked obvious things like "Is the grass green?" or "are you alive?" If you pre-configure your body to behave during truthful answers in the way that it behaves in a situation where you are lying, it is not difficult to deceive the work of a polygraph. Even the technician who controls the testing process will be discouraged.
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Fantasies and dreams
Russell Tees worked at the NSA international agency and was therefore required to undergo a lie detector test every year. In these cases, he used rather unconventional tactics when he lied: he thought about Disney films, cute puppies, recalled sunny summer days. When he did, the polygraph testified that Russell was telling the truth.
This approach is really brilliant. In fact, the person shared the perception and deliberately ignored the questions that he needed to give a false answer, and when he answered, he thought about pleasant things. It always worked.
Feeling of fear
The lie detector testing process itself is intimidating. Not only do stereotypical beliefs work out (“Now they are finding out all my secrets, I am defenseless / defenseless”), the atmosphere is also depressing. Typically, a polygraph test is conducted in a dark, dull room, and the examiner himself is a very dry and unemotional person. At least during work.
But it can be used to fake results.
When you are asked questions, think about something terrible and only after that answer. This feeling can be enhanced by concentrating on the atmosphere of the testing itself. Surprisingly, in most cases, the polygraph will show your answers true.
