The two hemispheres of the human cerebral cortex are roughly divided into the left hemisphere and the left hemisphere in the right hemisphere.

The longitudinal surface of each hemisphere is also divided into levels in terms of function, and the principle is the upper tube lower limbs, the middle tube trunk, and the lower tube head.

In this way, a subtle structure of upside down and left and right bifurcation is formed.

In each hemisphere, it is divided into several nerve centers.

Each center has its own fixed area, and the partitions are specialized in forming the complex functions of the brain that are differentiated and unified.

This division is mainly based on the sulcus or fissures on the surface of the cerebral cortex.

The surface of the human brain is covered with grooves or fissures of different shades. and the raised part between the sulcus, called the gyrus,

The brain has three large furci fissures, the central, lateral, and parieto-occipital fissures, which divide the brain into frontal, parietal, occipital, and temporal lobes.

Within each lobe, some smaller grooves divide the surface of the brain into many gyrus.

According to the research results of scientists, the gyrus of the cerebral cortex is divided into dozens of functional areas, such as the mental function cortex, visual cortex, auditory cortex, organism sensory cortex, language cortex and so on.

"Lin expert, at the beginning, when we were stimulating and locating the functional area of the cranial brain connection area, we mistakenly thought that the two babies shared the same functional area of the cerebral cortex. ”

Jiang Hao looked at the dynamic diagram of the laptop and introduced their examination results, "Because after local stimulation, some response areas of the cerebral cortex of the two babies are the same. ”

"Later, during the follow-up examination, we used a microcurrent needle to stimulate this overlapping cerebral cortex area, but found that it could only cause a physical response in one baby. ”

At this time, Qi Xingfen took over the topic and said: "After our repeated tests, we found that they do not share a functional area, but two functional cortical areas are almost inseparable and overlapping, and can even be said to be fused together. ”

Lin Jie sighed lightly and asked, "Which functional areas are they?"

"It's these areas!"

Jiang Hao called up another schematic diagram and displayed it on the computer screen.

This diagram shows three areas in prominent red.

One is the motor cortex of the body.

This area is the center that governs the voluntary movement of the contralateral body.

It mainly receives proprioceptive impulses from the contralateral skeletal muscles, tendons, and joints to sense the position, posture, and motor sensation of the body, and emits fibers, i.e., pyramidal tracts that control the voluntary movement of the contralateral skeletal muscles.

The second is the auditory cortex.

It receives nerve impulses from the ear under the influence of sound, and produces the primary form of hearing, such as the perception of sound.

If the hearing areas of both hemispheres of the brain are destroyed, even if both ears are functioning normally, the human lobe will completely lose hearing and become totally deaf.

The third is the visceral cortical area.

Seeing this area, Lin Jie's heart sank.

This visceral cortical area is responsible for various sensory signals from the internal organs.

The various activities of the internal organs act on the receptors on the walls of the organs, and these receptors transmit the activities of the internal organs into the cortical area of the internal organs, and after treatment, they produce feelings such as hunger, thirst, fullness, suffocation, fatigue, defecation, nausea, pain, and sex.

When the internal organs are working properly, the senses merge with the general sense of self in adults.

It is only when the visceral sensation is very strong that it becomes a distinct, dominant sensation.

For example, when the stomach has a strong hunger contraction, it can be accompanied by a feeling of hunger, and the rectum and bladder are full to a certain extent, which can cause the urge to defecate and urinate.

The visceral cortical area processes the impulses afferent from the internal organs, which can cause a variety of reflex activities and play an extremely important role in the regulation of visceral function.

If there is a problem in this area of the cerebral cortex, the function of the internal organs will inevitably be disordered, which will have fatal consequences.

The three of them were silent for a while, and Qi Xingfen slowly spoke: "Expert Lin, the motor cortex area of the body and the auditory cortex area are easy to say, if the separation is not successful, it will only be two babies who are half paralyzed and lose hearing in one ear." ”

"If there is a problem with the separation of this visceral cortical area, this ......"

She glanced at Jiang Hao and said, "I suggest, keep one, we have a good chance of getting a completely healthy baby." ”

Jiang Hao also said: "Dr. Lin, I agree with Dr. Qi's suggestion, in this way, the difficulty of the operation will be reduced a lot." ”

Lin Jie pondered for a moment and said softly, "Continue to do a further examination." After all the test results are available, we will make a final decision. ”

"At the moment, these two babies, until the last moment, none of us will give up in advance......"

After Jiang Hao and Qi Xingfen left the office, Lin Jie began to study the inspection materials left by the two.

Lin Jie, who was immersed in research, didn't know the passage of time until he was awakened by the ringtone of his mobile phone.

This is a call from the capital Mengyang.

Lin Jie answered the phone and asked directly, "General Meng, hello." What kind of patient is it this time?"

Meng Yang's happy voice came from the mobile phone, "Expert Lin, this is not a business matter, this is a private call." In the name of a father, I thank you. ”

"In the name of my father?"

Lin Jie asked with some incomprehension: "Is it because I refused to make an exception for your son and recruit him as a student in the medical class?"

"It's because of my son's change. ”

Meng Yang sighed and said, "My son used to be quite well-behaved. ”

"It's just that in the past two years, I have been very rebellious, basically I said east, he was stunned to go west, he didn't obey my discipline at all, and he was working against me everywhere. ”

"Unexpectedly, last night, this rabbit cub apologized to me seriously and admitted his mistake. ”

"His abnormal behavior directly stunned me. ”

"After a deep talk, I realized that it was Expert Lin's awesome drink that made him wake up. ”

"Expert Lin, thank you!"

Lin Jie said modestly: "General Meng, I don't dare to take credit for this. ”

"It should be that your son is a year or two older, has a lot of life experience, and has learned to reflect. ”

My words only touched him. ”

Meng Yang laughed and said, "Expert Lin, you deserve this thanks." ”

"Why did you, and not someone else, make him feel touched? ”

After a pause, his voice came out of his mobile phone again, "Expert Lin, my son went to the college entrance examination cram school today." ”

He decided to pass the college entrance examination and use his true strength to be admitted to the Faculty of Medicine of Binhai University to prove to you his determination to study medicine. ”

Re-take the college entrance examination and apply for the medical school of Binhai University?

Lin Jie frowned and said, "General Meng, I need to tell you." ”

"The thirty people in the doctor's orientation class have been recruited, and it is impossible to recruit your son to this class. ”

"I know, Expert Lin, you are a very principled person and will only give others a chance. ”

Lin Jie distinguished Meng Yang's voice, but he didn't hear any dissatisfaction, so he continued: "I told my son about this result again and again. ”

But he said that he knew the result. After all, he squandered this rare opportunity by himself, so he needs to take responsibility for it. ”

He also said that he would use his performance to win another chance. After eight years of medical school, he is confident that he will change your perception of him at some point. ”

"How is it? My son's statement and determination are not bad, right?" Meng Yang said in a relieved tone!

Since Meng Yang said so, Lin Jie always had to give face.

He smiled and said, "General Meng, if your son's performance in the medical school is as good as it is, one day in the future, I will consider accepting him as a student." ”

Meng Yang said with a smile: "Expert Lin, my son is always excellent, and he has quite persistence and perseverance. When the time comes, I will prepare a table of apprenticeship feasts."

Lin Jie reminded lightly: "General Meng, don't be happy so early. ”

"There may be a big gap between the excellence in your eyes and the excellence in my eyes......"

After hanging up the phone, Lin Jie found that it was also lunch time.

After a casual meal in the hospital cafeteria, he came to the orthopedic laboratory of the hospital's comprehensive laboratory building.

Here, the construction of a prototype of the sink equipment test is underway, and Lin Jie came to see the progress.

Lin Jie walked into this large room with a size of hundreds of square meters and a noisy voice, and saw the busy Lei Jun, as well as Fang Hanrui, Huo Guangheng and other students, as well as Lei Jun's assistants, students, and several busy workers.

He also met an unexpected guy.

Lin Jie waved his hand to beckon this guy over and asked, "Xue Linlin, if you don't go to travel or play, what are you doing here?"

Xue Linlin smiled and said, "I'm here, doing research." ”

She added: "It's being studied. ”

Fang Hanrui walked over, took off her mask, and said, "Teacher, to build this sink equipment, you need an experimental sample." ”

"Xue Linlin's body shape is about the same as Yao Henan, and she recommended herself, so we recruited her. ”

Lin Jie sighed and said, "I'll take a look at your schematic diagram." ”

Fang Hanrui took Lin Jie to the next room and showed a simulated dynamic diagram on the computer.

It is a large sink made of high-strength plexiglas with a movable bed in it.

Bed slats can be raised, tilted, or even erected.

"Teacher, this is just a brief GIF, and various medical monitoring and assistance systems will be added in the future. ”

Fang Hanrui pointed to the schematic diagram and explained: "Through the self-reliance or tilting of this bed board, we can keep the patient's head above the water and below the waist, but not below the water. ”

"We were also going to design a water trap so that the patient's head would not be submerged even if they were not in the water. ”

Lin Jie said, "What about the solution of physiological problems?"

"Ureters for urination. ”

"As for the stool problem, teacher, can you inject the nutrient solution to survive this period of time?"

Lin Jie just glared and said, "Yao Henan's body is already very weak, and after a major operation, she was only infused with nutrient solution?

Fang Hanrui shrank her head, and said to Nuo Nuo: "Then we will come up with another way!"

Lin Jie also suggested: "Don't forget to add some entertainment equipment to soothe the discomfort of the body and mind......

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