Great Power Technology.

Chapter 396 The Test of a Cat

Ye Zhou raised his head. He saw a small sign on the wall of this operating room—or laboratory, and there was a word written in Chinese on the sign:

Heavenly eye.

Looking closer, Ye Zhou found that in front of him was an extremely complicated and somewhat ridiculous operating table.

It is complicated because in addition to the operating table, shadowless lamp and other vital sign monitoring instruments in the scene, there are many other monitoring units beside this operating table, and the screens of these monitoring units are all full of Ye Zhou's complete Incomprehensible symbols and data.

And it's funny because the person lying on the operating table is not a person, but a fat cat that has obviously been knocked down by anesthesia, grinning and sticking out its tongue.

If Ye Zhou didn't know that this simulation was related to the AES system, he would probably think that this was the scene of some high-end cat sterilization operation.

"Is the optic nerve signal sensor connected?"

The question from the middle-aged doctor beside him pulled Ye Zhou back from his thoughts. He looked around in confusion, and was about to answer when another young doctor in front of him, who seemed to specialize in operating the monitoring system, said:

"Connected, everything is ready to go."

"Okay, then get ready to wake up. Ye Zhou, wake up the cat."

"Ah? Me? How do I wake up?"

"...do whatever you want, as long as it opens its eyes."

Hearing this, Ye Zhou reluctantly stretched out his hand, and tentatively stroked the cat's stomach on the operating table, but the cat didn't respond to it, and even twitched comfortably a few times.

After hesitating for a moment, Ye Zhou increased the strength in his hand and grabbed one of the cat's front paws on the operating table. After a while, the cat finally opened its eyes leisurely.

Probably because the effect of the anesthesia has not yet passed, the cat's eyes wandered around, but its whole body was still limp and weak. Seeing this scene, the middle-aged doctor at the side quickly said:
"Okay, just wake up. Ye Zhou, bring the album next to you."

Ye Zhou turned his head and saw that there were indeed a bunch of albums on the table next to the operating table, and those albums were full of various graphics, dot matrices, and a small number of objects that existed in reality.

As the flow of memory continued to pour in, Ye Zhou finally understood the purpose of this so-called operation, or experiment, and his role in this experiment.

This is the legendary cat brain optic nerve experiment. In the 60s, this experiment led by Ugly revealed several major problems in the biological visual system, and won two Nobel Prizes for these discoveries.

In this experiment, the researchers found that the visual cells in the visual cortex were divided into three categories, responsible for simple, complex and ultra-complex visual signal processing, and also began to realize that human visual processing starts from simple large cells.

In other words, the first thing humans learn is to recognize the sides and corners of things, and then they start to learn a series of deep content such as color, light and shade, background distinction, and so on.

This theory laid the foundation for the later research on machine vision. It can even be said that the most critical step for human beings to realize "artificial vision" is from here.

And now, the role played by Ye Zhou is the assistant of this experiment.

Seeing the serious expression of the middle-aged doctor, Ye Zhou quickly put a fence around the cat's head to block his sight. Then, he lifted the album in his hand above the cat's head, and another young doctor immediately began to record Active signals from nerves in various locations in the cat's brain.

"Well, this picture is fine, next one."

"The reaction is not strong, what kind of picture is this?"

Ye Zhou picked up the album and glanced at it, then replied:
"Abstract gouache—just a mess of colors."

The young doctor gave him a strange look, and said:
"This is 'Color 002', can you describe it by looking at the serial number on the back?"

Ye Zhou smiled a little embarrassedly, followed his instructions, and continued to change the album in his hand.

"This response is good, what is this?"

"It's line 004."

"Okay, line 004, record it first, and repeat the test a few times later. The next picture--measure light and dark."

Ye Zhou selected content that met the requirements from the album in his hand, and after lifting it to the top of the cat's head, the young doctor frowned slightly and replied:

"It is slightly stronger than color, but the intensity is limited, far inferior to lines. Go back to lines, start from simple to complex, and test one by one."

"clear."

Ye Zhou replied bluntly. As the experiment continued, his movements became more and more proficient, and he even had time to observe the changes of various curves and data on the display with the young doctor.

Just like the result of memory flowing to him, in this experiment, the cat's visual feedback strictly obeyed the order of intensity from lines, to light and shade, and then to color, and for the feedback of further complex background themes, it produced Gradient feedback delays of different sensory cells and nerves.

"80ms after the visual trigger, the visual signal will be reflected in the multivariate response pattern of the scalp, and after 300ms, the perception of the visual object starts to break away from the feed-forward visual object information and rely on the external background scene."

"From the perspective of the time matrix, we set the visual trigger to the visual information decoding monitoring at the time interval of 600ms. The results show that the perceptual accuracy reaches its peak around 200ms."

"This is basically the same as the result we predicted in the previous period, and it can support the conclusion."

After the young doctor finished speaking, the middle-aged doctor beside Ye Zhou nodded and replied:

"Then continue to test a few more times, and if the change is within the error range, start to output conclusions."

The young doctor hummed and continued to concentrate on studying the results on the screen, but Ye Zhou was suddenly lost in thought.

This conclusion seems to be a bit too simplistic.

Although it could be explained that they had conducted a large number of tests before this experiment, he still felt that, under such a complicated and sophisticated experiment, if only these two conclusions could be drawn, it seemed that it was not the limit of this experiment.

He carefully looked at the historical data displayed on the screen. Although he didn't know the underlying principles, if he wanted to analyze the differences and laws, he, who had the talent of "decision maker", was definitely better than anyone present. Be strong.

He tried to continue changing the album in his hand, and the monitoring values ​​on the screen also changed accordingly. After repeating the cycle several times, Ye Zhou suddenly discovered a pattern.

Every time the screen is switched, the perception signal of the optic nerve will have a jump similar to "double-click".

The more complex the picture, the more obvious the beating of the signal.

This is not a phenomenon that can be explained by the "three layers of visual cells" theory, because in each neural area, such beatings are synchronized.

Ye Zhou didn't know the reason for this, so he directly stated his discovery. After hearing his analysis, the two doctors looked at the screen carefully and finally nodded.

"Indeed, what Ye Zhou said is correct. We have always regarded this kind of jumping as a regular disturbance, but now it seems that there should be some reason for this kind of jumping."

"The regularity of the beating is too strong. Does it mean that each nerve cell has two sets of perception units?"

"Continue to test, test with complex pictures!"

Hearing the doctor's words, Ye Zhou quickly picked up the album in his hand, and started the experiment that had already come to an end, but this time, what they were about to face was a brand new phenomenon.

"It can be determined that the signal beating in the same area should come from the same nerve cell."

"Then our previous theory may need to be further improved, not only cell stratification, but also the stratification of individual nerve cells."

"I think it's very possible that ultra-complex perception is not done by clusters of cells, but by individual cells."

"Is it possible that each cell will be divided into two parts? One part is responsible for feeling, and the other part is responsible for integration? We have to continue to test."

Listening to his words, Ye Zhou was about to answer, but the picture in front of him gradually dimmed.

This stage of the simulation is over again.

But the simulation was still going on, which made Ye Zhou heave a sigh of relief, because it meant that until now, he hadn't done anything wrong.

(End of this chapter)