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

A |     New Zealand is perfectly fine with you pooping and peeing in public, as long as you make sure you aren’t being watched. But more restrictions on doing your business outdoors may be coming to the island nation soon.,Freedom Camping is camping on public land without paying a fee and is an activity quickly growing in popularity in New Zealand. In 2019, the year before the country shut down tourism due to the COVID-19 pandemic, more than 245,000 freedom campers enjoyed New Zealand’s famous landscapes while “freedom camping.” Of those, only 91,000 were Kiwis, indicating freedom camping is becoming a major tourist attraction for the small country.,However, it is also causing problems, something the Responsible Campers Association (RCA) wants to fix by adding more regulations on where freedom campers do their personal business and what they do with it after they are done.,'Crappiest Fountain Ever': UK Envoy's Husband Slashes Controversial New Zealand Landmark30 May, 10:23 GMT,The association wants new rules mandating that excrement must be buried at least 15cm (5.9 inches) and must be done at least 15 meters (49.2 feet) away from the nearest waterway.,The plea comes after multiple localities banned freedom campers from popular destinations because of a perceived increase in human waste and toilet paper being left at sites around the country. The issue became so heated that New Zealand’s tourism minister Stuart Nash told Radio New Zealand that freedom campers “pull over to the side of the road and … s*** in our waterways.”,The spokesperson for the RCA, Bob Osborne, says that blaming freedom campers is unfair. “There is no evidence linking any specific group to this undesirable practice which affects travelers all over New Zealand,” he said.,While the RCA advocates for a more permanent solution of more public restrooms, Osborne says that in the meantime, mitigation of the worst side effects of public defecation can be a solution, namely burying excrement and toilet paper and keeping it out of water sources. The association also stresses that campers should not be punished for the actions of a few bad apples, and that bad behavior should be punished, not camping itself.,Technically, public defecation is an offense in New Zealand that can result in a $200 fine, but that fine will be waived if the offender can show they had reason to believe no one could see them doing their business. Nash will be introducing new regulations to parliament later this year, including harsher fines for bad behavior and restrictions on where freedom campers can park.,With COVID-19 restrictions on tourism being lifted in the country, 2022 is expected to be a big year for freedom camping in New Zealand. With unburied defecation still allowed under law, campers are advised to watch where they step.。    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.”。

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