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As we all know, mental work is also labor
Although it seems that you have been sitting all the time, at the end of the day, you often feel that your body is hollowed out, and the degree of fatigue is no less than that of doing physical work
A new study by French scientists points out that after a day of crazy brain operation, tired and only want to/can only do some brainless things, is actually an important signal, meaning that the brain has accumulated a lot of potential toxic substances, you need to do something brainless, or simply rest, so as to protect the brain
It means that the brain has accumulated a lot of potentially toxic substances, and you need to do something that doesn't bother you, or simply rest, to protect the brain
Researchers try to explain a question from a neurometabolic perspective: Why does light brain movement make people so tired?
"At this time, fatigue is actually an important signal to stop working so that your brain functions are intact
At this time, fatigue is actually an important signal to stop working so that the brain function remains intact
Image credit: 123RF
In the study, Dr.
After six or seven hours, signs of fatigue appeared in the first group of racking brains, such as decreased pupil dilation
Rather than the big rewards that require more effort, you are now more inclined to get some small rewards that don't take much effort
▲Magnetic resonance spectroscopy shows that the prefrontal cortex (PFC) is susceptible to glutamate accumulation during cognitive fatigue (Image source: Reference[1])
▲Magnetic resonance spectroscopy shows that the prefrontal cortex (PFC) is susceptible to glutamate accumulation during cognitive fatigue (Image source: Reference[1])The more important difference is reflected in the brains of the
The more important difference is that the concentration of glutamate produced by neural activity in the brains of the two groups was higher
Avoid making important decisions when your brain is tired
So, what is the best way to help the brain recover from cognitive fatigue? Dr.
Rest, sleep
"There is ample evidence that glutamate is eliminated
Glutamate is eliminated from synapses during sleep
Cover image source: 123RF
Resources:
[1] Wiehler et al.
[2] Why thinking hard makes you tire.
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