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Therefore, the results of this examination are extremely important.

Of course, because Qian Wei is just a person, even if he gets some key clues from him, he can't be used as data.

Academic research must be based on quantity, and there must be enough samples as support for academic results to appear authentic.

Fortunately, Zhou Yuan's original intention was only to obtain some clues between depression and brain lesions from Qian Wei, and follow-up research must be carried out with the assistance of thousands or even tens of thousands of depressed patients.

However, with Zhou Yuan's current reputation, it should not be difficult to find thousands of depressed patients who have the resources to participate in the study.

Academic research is like this, when a person is unknown, every step is difficult, everywhere is blocked, once there is a reputation, even a lot of people are volunteers.

Does depression cause abnormalities in brain structure and function, or is depression caused by structural abnormalities in the brain?

Qian Wei's examination mainly focused on six parts.

The first is the hippocampus, which is also the focus of the examination, the hippocampus is the core part of learning and memory, where sensory information, experience, and so on are processed.

This is followed by the amygdala, which is also an important structure of human motivation due to the higher cognitive functions it provides. A person's motivation to do something, as well as emotional control, fear, and non-verbal emotional expressions are all related to the amygdala.

Patients with depression have a more obvious characteristic, losing the motivation to survive, which may be related to the lesion of the amygdala.

Another indispensable structure is the hypothalamus, which is part of the forebrain that regulates human fear, hunger, and sexual impulses.

The other two structures are the cephalic body and the fornix, the former is the relay station, between the thalamus and the fornix, and the latter is the channel of nerve fibers. The last structure is the thalamus, which can be regarded as a processing station for emotions and information, and is responsible for transmitting processed information to the brain.

To Zhou Yuan's surprise, Qian Wei's hippocampus really shrank!

This is due to damage to nerve cells.

There are no major problems in the other parts, at least there are no visible problems.

The MRI film maps the white matter areas of Qian Wei's brain, on which the volume of gray matter and the integrity of the white matter in Qian Wei's different brain regions can be displayed.

Although there was no significant change in the volume of gray matter in the cortex, the integrity of the white matter decreased, that is, the white matter fibers were damaged!

These anomalies made Zhou Yuan's research clear all of a sudden.

After returning to the office, Zhou Yuan immediately saved the film that had just been examined for follow-up observation and treatment.

This is a groundbreaking discovery.

Of course, this does not mean that Zhou Yuan's research on depression has risen to a new level, in fact, Zhou Yuan's current work has been studied by some top psychiatrists.

It's just a matter of doing a few checks, reading a few reports, anyone can do it, as long as they see if they have thought of it.

As with toe transplantation to reconstruct the thumb, most people thought of transplanting the toe to the finger by amputation, but in the end, only Zhou Yuan succeeded.

The same is true for depression research, many people are also speculating that depression may not only be a mental illness, but also accompanied by physical changes, such as structural abnormalities of the brain, lesions in the brain region, etc., but so far there has been no really convincing research.

Why?

First of all, how do you prove that the brain lesions are not caused by depression, but are the cause of depression? This is the most difficult question to determine.

Second, there is a lack of sample data. It is too difficult to investigate people with depression, many of whom do not like to communicate with people, let alone give themselves to researchers, and they do not even have the desire to live.

The reason why Qian Wei was able to agree to cooperate with Zhou Yuan was that on the one hand, he was only in the early stage of depression, and on the other hand, Zhou Yuan saved his life.

Moreover, Zhou Yuan also has a language affinity.

If you don't care about the expertise of mental illness and only think about communication with people with depression, Zhou Yuan may be the most suitable person to do this job!

Soon, Zhou Yuan compiled Qian Wei's relevant information and his conjecture about the cause of depression into an email and sent it to Lin Mingde.

It is difficult for Zhou Yuan to find a way out on his own, and Lin Mingde is an expert in mental illness, and Zhou Yuan has Lin Mingde's help, which is no different from standing on the shoulders of giants.

......

Zhejiang Province.

Lingling's family had just finished lunch, Lingling's parents were already on their way to work, and Lingling's grandmother had also gone out to start the walking habit she had developed for decades.

Only one-year-old Lingling is left in the family.

Children of this age sleep for a long time, and they are just sleeping, and the adults don't have too much to worry about, leaving Lingling and going out.

At half past twelve, Lingling's family finished lunch, Lingling's parents were civil servants, and they went to work early because the unit was busy dealing with the problem of demolition funds.

At the same time, Grandma Lingling also went out for a walk.

At one o'clock in the afternoon, Lingling's grandmother opened the door and found that Lingling, who was lying on the bed, had fallen to the ground and was motionless.

Lingling's grandmother stepped forward and shouted desperately, but Lingling was still unconscious, and Lingling's face had obviously turned dark blue, which was extremely ugly.

The old man panicked instantly, and immediately sent Lingling to the nearest Pujiang Hospital of Traditional Chinese Medicine.

Lingling's parents got the news and immediately left their jobs and ran to the hospital, where the doctor diagnosed a traumatic brain injury, and Pujiang Hospital was not good at surgery in this area, so she was sent to the Children's Hospital of Zhejiang Provincial University Medical College, which is about an hour's drive from here.

Lingling's injury is particularly serious, although the doctors at the Children's Hospital Affiliated to the Medical College of Zhejiang Provincial University can also do it, but the success rate is not high, but the situation is very critical at this time, and it is impossible to ask for foreign help, so you can only bite the bullet.

At three o'clock in the afternoon, Lingling's rescue began.

After all-out treatment, Lingling was temporarily out of danger again and again, and in just one hour, Lingling's parents signed seven critical illness notices alone.

Sudden respiratory failure, intracraniocerebral hemorrhage, high hypoxia, and so on, countless extremely critical conditions have appeared in this operation.

Lingling's parents seemed to be emaciated for dozens of years, and the two stared blankly at the operating room. Lingling's grandmother was the most guilty, sitting on the bench at the moment, her eyes glazed.

At four o'clock in the afternoon, the door to the operating room opened, and several doctors hurried out.