On the morning of January 18, Gu Jun, accompanied by Wu Shiyu and Cai Zixuan, walked into the building of the Institute of Psychology in the Medical Department of the headquarters of the Tianji Bureau.

After entering this simple building, they came to a high-level brain function research laboratory on the fifth floor, where Dr. Shen was waiting, as well as Professor Ma Jun, the head of the laboratory, and a group of researchers. Professor Ma is one of the best brain specialists in China and is now part of Gu Jun's treatment team.

Gu Jun's brain is in an abnormal state, not an ordinary mental disorder, anxiety, depression, agitation, delirium, etc., and his temperament has not changed much.

But as soon as he comes into contact with "anomalous" and "supernatural powers" - including Zugo, dreams, spells, visions, otherworlds, Lalleye, and so on, he will experience headaches, and contact involves hearing others say, thinking about it, and participating in it in action.

Hearing others talk about it is the least symptomatic, if he just listens casually and doesn't think about it, his head is just swollen and painful; But as soon as he listens to it in his head and thinks about it himself, the symptoms will quickly worsen, and there will be a strong cracking pain in the brain; If you are involved in person, it will be much more serious.

But regardless of the severity of the symptoms, when he interrupted contact, his headache slowly subsided. If you don't touch it, you don't do anything.

Conversely, the longer the exposure, the heavier the pain, which can lead to generalized rigidity and convulsions of epilepsy, as well as transient syncope.

Three days ago, Gu Jun was just reading a GOA document sent by Tongye in the ward, the document had not been read yet, and after reading less than two pages, he had convulsions and fainted, which really scared the people around him, but fortunately, the medical staff was just about to start first aid, and he woke up slowly.

After that, the mood of the medical staff sank again, and everyone knew that there was a big problem.

Gu Jun also knew that he was not optimistic, just like that, his mental consumption bottomed out, and he was tired and uncomfortable, and it took a day to recover.

The human brain is too complex, and his brain has had tumors, lack of oxygen, injuries, and surgery. Moreover, the site of the injury and bleeding is the right prefrontal lobe, and the lobotomy destroyed the prefrontal area, which is very difficult to say.

Evidence suggests that his condition resembles post-traumatic stress disorder (PTSD), and that "abnormal things" are his stressors.

Jack Wells had PTSD symptoms back then, and there are some survivors from other countries in the joint force who have mild PTSD symptoms.

However, Gu Jun is different from them in that he does not have the typical clinical manifestations of PTSD, there is no invasive traumatic recurrence, there is no negative change in cognition and mood, there is no excessive vigilance, irritability and irritability, etc., he has no psychological dilemma in this aspect of self-evaluation, and he does not want to avoid the memory of those events.

However, his brain showed a strong avoidance of things similar or related to stress, and once confronted or exposed to related situations, although there was no psychological pain, there was a strong physiological response, which is consistent with the diagnosis of PTSD.

For Gu Jun's situation, the high-level officials of the headquarters were very nervous, and so were Tongye and Yao Shinian.

In terms of personal relationships, Tongye and they don't want to see Gu Jun like this; For the sake of the overall situation, they didn't want Gu Jun to be able to contact the anomaly anymore. In the past two years, Gu Jun's contribution and role need not be said, if he can't come back, it means that he can only recuperate for a long time or even retire......

Then it is a huge loss for the Tianji Bureau and for the people around the world.

It is precisely because of this that the treatment team once again has a great responsibility, Liu Mingfeng and other physical treatment personnel have withdrawn, while Professor Ma Lin and other brain researchers have taken on the heavy responsibility.

Their first task was to find out the pathological mechanism, whether it was just Gu Jun's psychological problem, or whether his brain was damaged and dysregulated, which caused this situation.

Gu Jun had already tried to use the Old Seal Purification Stone before, but he had not detected spiritual erosion. He hadn't done the S-score test yet, and Dr. Shen was worried that the impact of the traumatic scene might cause him to fall into a coma again, which would only make the situation more difficult.

At this time, Gu Jun, Wu Shiyu and Cai Zixuan walked into this laboratory, where the advanced and complete equipment could do some more detailed brain examinations for him.

The laboratory is very bright and spacious, divided into a front room, which is connected to several examination rooms with different equipment.

After everyone greeted each other, Gu Jun was taken by Professor Ma and others to the FMRI examination room. FMRI stands for Functional Magnetic Resonance Imaging, and the device looks similar to an MRI, but does not require the injection of radioactive substances. The test he will do is BOLD-FMRI, and the blood oxygen level is dependent on functional magnetic resonance imaging.

"It's a functional neuroimaging test." Dr. Shen explained to Wu Shiyu and the others, "During the examination, Ah Jun will be asked to complete the stimulation task, and by measuring the changes in the signal dependent on his blood oxygen level, it can reflect the activity of his local brain, and this accurate localization can help diagnose his pathological mechanism." ”

"I don't understand." Wu Shiyu looked through the glass window of the examination room and watched Gu Jun lie on the bed of the FMRI equipment, "Dr. Shen, can you explain briefly?" ”

In fact, Cai Zixuan doesn't know much about FMRI, there are too many detailed fields in modern medicine, and those who don't specialize in neurology can't even hear of these.

He also accompanied his old friend to check because he was on vacation today, and he also wanted to study it, and he only understood it after reading some literature.

"That's it." Dr. Shen thought for a moment and tried to speak in plain language: "If the neural activity of any brain region in the brain is enhanced, the blood flow will increase, and the oxygen molecules will be carried out more than the actual oxygen consumption of the active neurons, so the increase in blood flow caused by neural activity will increase the blood oxygen content of the corresponding brain region, which is the BOLD signal." This helps us to find out where the neural activity in the brain is heightened when he is stressed. ”

After listening to what Dr. Shen said, Wu Shiyu nodded: "Oh okay, I still don't understand." ”

"It's ......," Dr. Shen felt compelled to repeat it from the beginning, "the BOLD signal is the difference in the degree of influence of neuronal activity on local oxygen consumption and cerebral blood flow, which changes the relative content of local deoxyhemoglobin, resulting in a change in the nature of the local magnetic field......"

"Dr. Shen, it seems that the more I listen to you, the more confused I become." Wu Shiyu raised his hand and interrupted, "Let me first tell you my understanding, Xianjun did this examination to shoot where he was excited in his mind when he was stressed, and then judge what is wrong with him when he finds this position." ”

Cai Zixuan felt that she understood correctly, and her words were very clear.

"That's pretty much it." "But the brain is very complex......

Wu Shiyu listened and thought that because her brain was super complex, she could only understand it to this extent.

At the same time, the equipment in the examination room began to operate, and in the sound of sizzling, the examination table carrying Gu Jun moved towards the ring magnet.

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