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Scientists Explain Why Taxing Mental Work Wears You Out_我的网站

一 |     北京时间8月10日，准者体育老板林晨耀直播聊起里夫斯，一番大实话，把不少球迷给整明白了。

二 |          正在进行中国行的里夫斯，和准者的合作大概率要走到头。林晨耀在直播里毫不避讳，直接摊开现实问题：“明年他不一定会再来参加中国行了，没预算，实在没办法续。    A team of scientists has discovered a likely explanation for why one may feel exhausted after engaging in intense cognitive work.,In their study, published in the Current Biology last week, the researchers argue that intense cognitive work, when it lasts for several hours, results in the buildup of potentially toxic byproducts in the prefrontal cortex part of the human brain, which then affects a person’s behavior.,“Influential theories suggested that fatigue is a sort of illusion cooked up by the brain to make us stop whatever we are doing and turn to a more gratifying activity,” Mathias Pessiglione of Pitié-Salpêtrière University in Paris, said as quoted in a news release by Cell Press. “But our findings show that cognitive work results in a true functional alteration—accumulation of noxious substances—so fatigue would indeed be a signal that makes us stop working but for a different purpose: to preserve the integrity of brain functioning.”,During the course of their research, the team employed magnetic resonance spectroscopy to monitor the brain chemistry of two groups of people during a workday, with one group performing easy cognitive tasks while the other engaged in more complex mental activities.,Only the latter group ended up exhibiting signs of fatigue, as well as a tendency to favor “options proposing rewards at short delay with little effort,” as the news release put it.,AmericasChild Survives After 7 Minutes Without Blood Flow to Brain During Surgery, US Cardiologist Reveals11 August, 16:41 GMT,Furthermore, members of that group had higher levels of glutamate in the synapses of the prefrontal cortex, leading the researchers to suggest that the accumulation of glutamate “makes further activation of the prefrontal cortex more costly,” and thus a mentally exhaustive workday makes cognitive control more difficult.,Unfortunately, there seems to be no fancy way to deal with this problem other than the tried and tested method that is probably as old as history itself.,“I would employ good old recipes: rest and sleep!” Pessiglione remarked. “There is good evidence that glutamate is eliminated from synapses during sleep.”。”          “现在人家是5000万先生，多大能力干多大事。湖人是豪门，能给他开出五千万的年薪，我们品牌怎么可能拿得出500万美金的代言费？根本做不到。”林晨耀还表示，如果最后确实谈不拢，品牌就会转向签约其他NBA球员，不会死磕里夫斯。         说起来也挺有意思，准者算是很早就看上里夫斯的国内品牌。林晨耀回忆，当初刚签里夫斯的时候，他还只是湖人的替补球员，那时候代言费也就70万，属于非常划算的一笔签约。谁也想不到，短短几年时间，这个当初不起眼的替补，直接完成身价大飞跃。         今年休赛期，里夫斯正式和湖人敲定大合同，4年总金额大约1.85亿美元，直接摇身一变，成了联盟高薪球员，商业价值跟着水涨船高。

三 |          当初低价押中潜力球员，看着自己签约的球星打出身价，本来是件好事，但球星身价暴涨之后，品牌预算跟不上，续约就直接卡住了。         不少球迷也感慨，这就是商业联盟最真实的一面。球员打出来，工资、代言报价全部跟着往上翻。准者当年眼光确实独到，可惜现在预算匹配不上里夫斯现在的级别。

四 |          至于后续，就看双方能不能找到折中方案，如果谈崩，那这次的中国行，可能就是里夫斯作为准者代言人最后一次国内亮相。

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