What is a panic detector?

It is analyzed according to the heartbeat and blood flow, that is, the pulse, whether the person is telling the truth or lying

When people tell lies, they will have a certain amount of mental activity, that is, it affects the heartbeat and other metabolism

According to this situation, the one who designs an instrument to measure such changes is a panic meter

Based on brain waves, see if a person is lying.

There are many types of panic detectors, but at present, they are all measured according to the changes in the person's body caused by psychological changes when lying. In general, it is quite accurate, of course, it should not be considered that those who have been specially trained, and it depends on the psychological quality of the individual. Generally, through human skin electroderma, respiration, blood pressure, pulse and movement, etc., the change of brain waves is an important reaction, but it is more complicated to measure, and it will take a while to apply.

In fact, one of the more obvious ones is the change of people's pupils, which can often be seen in movies.

Heartbeat, electroderma, psychology, breathing, metabolism, etc., lying will make changes in your physical mind, but not lying will not.

Polygraph is based on the subtle changes in the bioelectricity on the surface of the human lying, and the key part used in conjunction with it is the logic of the questioner's question.

Cranial nerve reflexes. When confronted with questions related to lies, they will involuntarily use certain cranial nerves to make reflexes that do not conform to lies.

Is it that magical.

The people now are smart

I don't believe it

Judge by heartbeat and breathing! It's that simple!

Hello, it is a pleasure to serve you and give you the following answers: The steps to solve the lie detector problem are as follows:1

First of all, check that the power supply of the polygraph is normal, if not, the power supply needs to be replaced. 2.Secondly, check that the polygraph's circuit is normal, if not, the circuit needs to be replaced.

3.Then, check that the polygraph's software is working properly, and if not, you will need to reinstall the software. 4.

Finally, check that the polygraph's hardware is normal, if not, the hardware needs to be replaced. Personal tip: When solving a polygraph problem, carefully check the polygraph's power supply, circuitry, software, and hardware to make sure the polygraph is working properly.

The working principle of the panic meter is to detect the physiological changes of the human body, such as electromyography, pulse, blood head and hand pressure, breathing, heartbeat, brain waves, voice, and pupils.

Ordinary people will have subconscious physiological changes when lying, the panic meter is to observe these subtle changes to determine whether a person is lying, he will ask some ordinary things, look at the display of these data, and then slowly introduce the question Xiaoliang into the person who wants to know, if these data have not changed, it is still very stable, that is, the person is not lying, if there is a significant change, it means that he is lying.

Of course, this is valid for ordinary people, and most people will be guilty of lying in their hearts. It is useless for people who are specially trained.

How the "Panic Detector" works. (Panic detection refers to the activities of specialized technicians in accordance with certain rules, using panic measuring instruments and equipment to record the changes of certain physiological parameters in the process of the problems set by the panic test subject, and by analyzing the map recorded by the panic detection instruments and equipment, the test subject is lying in the relevant questions.) The basic premise of the emergence of panic detection technology is:

1) There is a direct and strong link between lying and clear emotional responses; (2) There is a certain correlation between emotional response and physiological response. That is to say, the psychological changes of people when lying will inevitably cause some physiological changes (such as changes in electricity, pulse, blood pressure, respiration, etc.), these changes are generally only controlled by the autonomic nervous system and not controlled by the brain consciousness. Since the panic detection technique is based on the principle that telling a lie causes a certain emotional response and a certain emotional response causes certain physiological changes, all factors that may interfere with the emotional response and physiological changes may affect the accuracy of the panic detection results.

Lu stupid) laughed.

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