Chapter 971 (1/2)

Frequency detection is not troublesome, because the use of detection equipment is very advanced.

However, Chen Hui didn't detect any frequency when communicating with Cheng Ziyi.

Now that it has been tested, it's natural to test comprehensively. Chen Hui enters the field of divine consciousness and takes Cheng Ziyi into it. About five or six minutes later, Chen Hui exits the field of divine consciousness and asks Zhou qiuchu if he has detected the frequency.

The results were the same, and no frequency was detected.

”Cheng Ziyi controls the flying sword with his mind.” Chen Hui was not surprised by this result. He said to Zhou qiuchu, ”Shangguan Ruyun once said that ideas can be understood as the thoughts of ordinary people, and I don't think it's strange that frequency can't be detected. According to Shangguan Ruyun, the detection of frequency is not different from the detection of people's thoughts.”

”It's just the beginning!” Zhou qiuchu nodded and said, ”it's because you know that you can enter the field of divine knowledge that you bring these devices. The purpose of detection is to determine whether the frequency of the field of divine knowledge exceeds the frequency of brain waves. Next, we need to carry out the detection of brain waves.”

EEG is a method of recording brain activity by using electrophysiological indexes. When the brain is active, a large number of neurons synchronously generate postsynaptic potentials, which are formed by summation.

It records the changes of electric waves during brain activities, and is the overall reflection of the electrophysiological activities of brain nerve cells in the cerebral cortex or scalp surface.

Brain waves come from the postsynaptic potentials of the dendrites at the top of pyramidal cells.

The formation of EEG synchronous rhythm is also related to the activity of the non-specific projection system in the cortex and thalamus.

EEG is the basic theoretical research of brain science, and EEG monitoring is widely used in clinical practice.

Scientific research has found that four types of brain waves correspond to four different states of the brain.

When you feel sleepy under tension, when you enter deep sleep, when your body is relaxed, your brain is active, and your inspiration is constant, the activity of brain waves is different. They are marked by different bands, and the frequency band is also different, marked by Hertz.

In this car, there are two brain neuron wave detectors. It's obvious that experts from Zhou qiuchu's department have already considered them.

Soon, these two brain neuron wave detectors were put on the heads of Chen Hui and Cheng Ziyi, and began the second detection.

When Chen Hui and Cheng Ziyi communicate with each other, their brain waves fluctuate sharply, which is beyond the known range of brain wave activity.

”There's a result.” After recording with the instrument for a period of time, Zhou qiuchu said, ”you go into the field of divine consciousness and test it again.”

According to Zhou qiuchu, Chen Hui entered the field of divine knowledge again, and took Cheng Ziyi into the field of divine knowledge. When Chen Hui withdrew from the field of divine knowledge again, Zhou qiuchu was looking at the test results.

”How's it going?” Chen Hui asked immediately.

”When you and Cheng Ziyi communicate with each other, the brain waves fluctuate violently.” Zhou qiuchu said the test results: ”after you enter the field of consciousness, the fluctuation of brain waves is more intense! Cheng Ziyi's brain wave fluctuation is at the same frequency as you, but it appears one second later than you. ”

”It seems that the exchange of ideas, the field of divine consciousness, does have frequency.” Chen Hui said with a smile: ”it's just in the fluctuation range of brain waves? The frequency is not big enough to be detected by other devices! ”