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Years ago, a Nigerian man to fly from Amsterdam, Netherlands, United States Detroit, before landing about 20 minutes trying to ignite the home-made explosive devices to carry, were crew and passengers subdued. It is learned that the man is hidden in the crotch of explosives inside the bomb and thus successfully passed the security and on board aircraft. After the incident, from a safety point of view to increase security at U.S. airports to begin efforts to passengers whole body scan, but with the issue of personal privacy protection of the population contradicts the face of this dilemma-how to handle it?
U.S. Delta Airlines plane attempted murder case after the bombing, the United States gradually began to use full-body airport scanner security checks. But this can "see through" clothing of the screening method involves the safety of passengers, personal privacy issues, has aroused intense controversy. For more quickly and efficiently identify the terrorists, some experts have put forward a "mind-reading device" option.
Mind-reading device, the system known as "WeCU", meaning "We are staring at you." The design principle is that people suddenly saw the familiar in an unfamiliar place of the image will make a "very" response, physiology and behavior related to the scope of psychological research. For example, you suddenly walked into the airport to see their mother's picture hung on the wall, there will be a special reaction, while the other unrelated persons will not. These reactions may include eye fixed on image, rapid heart beat, shortness of breath, fever and body twitch tension.
■ The design of the original mind-reading device
Li similar to the polygraph
Polygraph than the mind-reading device sounds familiar, but the polygraph is another name for fear of those who know little, also known as "multi-functional physiological scan recorder," because it is mainly through the determination of human blood pressure, heart rate, respiratory and skin resistance and other physiological changes in order to achieve a lie detector functions. Polygraph methods currently in use include three stages: pre-test interview, polygraph charts obtained on the polygraph chart analysis. The polygraph process usually two to three hours, one might think that the polygraph is very important to the Ministry of fully equipped, in fact polygraph process, the most important test before the interview. We can see that mind-reading device is just a simple lie detector equipment, can only be a preliminary screening.
In fact, the polygraph does not measure whether people are telling the truth, it can only measure blood pressure, respiration rate and perspiration rate of these physiological changes, and these changes can be produced from a variety of complex emotions. Normally one would think based on a lie detector must be tested against their conscience in the result of the anxiety, fear and the lies were revealed may be subject to penalties arising from the concern about the psychological state of the psychological stress response. This is actually a misconception. In fact, the multi-channel based on psychological tests are really measuring who is subject to certain things inside the "concern" level of achievement is reflected in physiological responses. Some of the things, and even the "knowledge" and "I do not know" as a basis for judging.
Thus, the real test is enough to affect the nature of the case, such factors as the adequacy of information on the merits, as measured by whether the treacherous, lying timid by nature or by nature, as long as they have not been trained on the anti-testing will not affect test results.
According to this principle, the airport can be arranged with a display of some terrorist organizations linked to terrorists, an image or only be able to identify the image, and then by hiding the camera and sensor monitoring data. If there is any abnormal reaction of passengers,metal detector security system will sound the alarm. The passenger screeners will be accepted for further examination. Imagine a terrorist trying to board an aircraft terrorist attacks. When he reached the airport checkpoint, are feeling distracted, hurried look around when a high-tech equipment real-time analysis of his body language and see that he premeditated. Xiayi Miao, the terrorists have been brought to the side of the security personnel, tragedy thus avoided.
■ The ancient method of lie detection
There is also the shadow of psychology and physiology
As early humans would say the same lie, lie detection is also very long history. According to research, human society, the use of polygraph instruments dating back to 900 years BC. As the development process of civilization in different parts of the world, lie detector is also a variety of ways.
Saint Monkey Law: The Indian legend there is a Santa Monkey, liar first touch its tail, it will be called. Zaimo first touch and honest person, sitting in a quiet Santa monkey will be in situ. In practice, this is the use of psychological theory to liar "caught." Ad litem judges will be painted on the tail of the monkey placed the black toner housing units so that the suspect touched them one by one into the monkey's tail. Liar guilty conscience for fear of frank and honest according to those who fail to understand wrong, the results of the hands of a toner of people are naturally a gentleman.
Chewing m law: This is the Indian invention. So that the suspect put a parched rice in their mouth, chew threw the next two years, the liar saliva secretion due to small spit of rice were significantly higher than those who do honest. This approach to a lie detector joined the physiological response content.
In addition to these two kinds of ancient polygraph there are many ways, most of them can see the shadow of psychology and physiology.
■ there is no guarantee foolproof lie detector
Whether the polygraph is a lie detection tool, but polygraph itself is not lying? This issue has been controversial since the advent of the polygraph has never stopped. If the liar will be as there are 007, skill, or Catherine ( "instinct" and murderer, played by Sharon Stone) as a high intelligence polygraph will be helpless.
In fact, the polygraph can play a normal role in the external environment with the test, being tested by individual states to test the level of division is closely related to the final analysis, polygraph is just a tool, lie detector results can only say that as a reference , then there is no guarantee an accurate lie detector is also perfectly safe.
For example, the Green River killings in the brutal "Green River Killer" passed the polygraph. Polygraph reason for failure is because of the Green River Killer itself has serious psychological problems. When he faced when the polygraph can calmly tell a lie, in part because he felt for those victims of the cruel killing are well deserved. However, the polygraph for those people with relatively good mental qualities will be to no avail.
The other side that the polygraph record only subjective response and, in some cases it will be wrong. For example, when an innocent person's performance seems to like the offender, because of fear makes him very nervous during the statement, so that is likely to be mistaken for lying. In other words, if there is no reason to lie, but the reaction appears to lie, there may be other reasons for this. Polygraph seemingly objective, but in the objective surface often committed an unforgivable mistake.
In fact, the psychological test technology is a set of psychology, biology, medicine, electronics and other subjects in a practical technology. In the United States and other developed countries, the law provides a set of psychological testing laboratories, strict operating procedures, for employees, only through the regular polygraph schools, learning and training, qualified only after they have carried out the operation of this technology experiments .
■ life, "micro-expressions," able to identify other
Whether lying
In life there will be no polygraph or something like that to help us determine whether someone else to deceive us, what is encouraging is that most people are actually very difficult to hide the true expression of the most clues in the face - when the emotional changes , we will face a kind of peculiar habits and make the appropriate expression of exposure to the real idea. Subconscious emotional expression is basically difficult to suppress or cover up. In other words, no matter how flawless his mouth speaks, the moment expression of hesitation, change in tone or gesture, may at any time expose a lie. The shortest lasted only 1 / 25 second moment expression, known as "micro-expressions."
Some people joked that the previous period hit television series "sleeper" is a story about lying. I was the hero into a lying, when it will constantly turn the eyes and speak to a standstill. Because in the non-stop thinking, but he would look in your eyes speak, lying is to take leave to say than really really. However, through the subtle expression can still find him lying.
If you are in a hospital, and came to this hospital a patient had tried to suicide. When the patient tells you: "Now I feel much better, I could go out over the weekend then?" You how to do this. Of course, you also clear that many hospitalized patients often made a similar problem, but if you allow them to temporarily leave the hospital, some people will take the opportunity to commit suicide. However, a special group of patients tend to swear that they say are the truth. They seem very honest, his words did not sound like the flavor of lying. Faced with this situation, you have to judge whether what they said is the truth or a lie in in the end it? It should be carefully observed their "micro-expressions."
Read micro-expressions, no matter how the world lie spread, even without the polygraph, or mind-reading devices, but also whether we have the fists of Bruce Lee so hard, can use his famous warning liar - "I'm learning opportunities quite a few times, do not deceive me. "
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