“On the planet, your vestibular - or balance - machine tells you how your head actions relative to gravity, but in area, the gravity reference is long gone,” Seidler stated. “That causes those perceptual illusions, in addition to trouble coordinating the movement of the eyes and head.”
Space-based experiments have shown that altered gravity reasons structural and functional modifications at more than one degree of vestibular processing, spanning from the hair cells of its sensory organs to the Purkinje cells of the vestibular cerebellum.
Weightlessness causes several key structures of the body to relax, as it's far not combating the pull of gravity. Astronauts' feel of up and down receives stress, NASA stated, because the vestibular device now not can determine where the ground and the ceiling are.
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