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Going to the gym does not only require more physical effort than staying on the couch. According to a new study conducted by Canadians, even think about taxing the human brain.
Matthieu Boisgontier, of the University of British Columbia, led a team of researchers seeking an explanation for the "paradox of exercise": the idea that people become more sedentary despite decades of suffering. Education about the benefits of physical activity.
They found this answer, they believe, in the brain.
"The failure of public policies to counter the pandemic of physical inactivity may be due to brain processes that have been developed and reinforced over the course of evolution," said Boisgontier in a press release .
The researchers drew their conclusions by placing people in front of the computers and asking them to control the avatars on the screen. People have been shown a series of images displaying scenes of physical activity or inactivity, and they have been asked to move their avatars to activity pictures and to move them away. as soon as possible images of inactivity.
Subjects were also connected to electrodes to monitor their brain activity. The researchers found that moving the avatar away from scenes of inactivity exercised more on the subjects' brains than on activity scenes.
"These findings suggest that our brain is naturally attracted to sedentary behaviors," Boisgontier said.
According to Boisgontier, the tendency of humans to move away from unnecessary effort has probably evolved as it allows individuals to save energy and spend it on more important uses such as finding food, shelter and shelter. sexual partners.
The research was published in the journal Neuropsychologia. Future research could examine whether brains can be recycled to bypass the automatic tilt toward inactivity.
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