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TagAstronauts (brain changes)

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Astronaut on rock surface with space background. Elements of this image furnished by NASA

After Months in Space, Astronauts’ Brains Are “Rewired”

The “very new and very unexpected” changes in fluid flow and shape can last for months after a return to Earth

The effects of long-term space travel on humans are only beginning to be understood: In a new study, a collaborative effort between the European Space Agency and Russia’s space agency Roscosmos, researchers have explored how cosmonauts’ brains change after traveling to space and back. And they showed how the brain adapts to spaceflight, finding that the brain is almost “rewired,” and both fluid shifts and shape changes occur. These changes can last for months after a person returns to Earth, the researchers found. The strange brain changes that the team observed were “very new and very unexpected,” study lead Floris Wuyts, a researcher at the University of Antwerp in Belgium, told Space.com. Chelsea Gohd, “Cosmonaut brains are ‘rewired’ by space…