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    Home > Medical News > Medical Science News > The one-handed brain reveals new tissue theories

    The one-handed brain reveals new tissue theories

    • Last Update: 2020-12-08
    • Source: Internet
    • Author: User
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    For people who were born with only one hand, a section of their brain that should have been inspired by the activity of the lost hand is now inspired by the activity of other parts of the body, such as the arms, feet, and mouth. The findings could disrupt
    's basic understanding of brain composition, researchers report in a recent study published in the Journal of Science and Technology.
    Tamar Makin, of University College London, said: "I think there's a way to make the findings logical: in the brain, if the control hand's partition isn't actually used to control the hand, it's just an area of the brain responsible for controlling the body's activity, but usually the movement of the hand shows the results it performs.
    the researchers say that if the limbs are sound, this part of the brain's control partition is generally performed by an unusual hand expression, but in fact, for people who have only one hand innately, there is a noticeable difference in that area, suggesting that the brain division is not actually specifically responsible for the hand." If this is true, it means that we mistakenly believe that the composition of the brain is based on various parts of the body, not on function. If this proves to be true, the impact will be enormous. Makin said.
    the new study, Makin's team and collaborators studied people who were born with a lack of a body part to explore the principles of its brain make-up. The researchers compared 17 naturally single-handed people with 24 normal people with hands. Each participant completes five daily tasks, such as wrapping gifts or counting money, and scientists document these processes to study how he or she does them. At the same time, the researchers perform functional MRI scans of their brains to see how they change as they perform different movements.
    found that the brain division, which has long been thought to control the hand, actually occupies a significant portion of the brain. When the researchers looked at naturally single-handed people, they found that this part of the brain was jointly developed by the activities of various parts of their body, and because of the lack of a hand, the empty brain areas were allocated to other parts of the body, so that these limbs performed more efficiently, which is why single-handed people can perform various daily tasks like healthy people.
    but the researchers caution that this is still only a working principle, after all, scientists have long concluded that different brain regions control different parts of the body. (Source: Science Network Tang One Dust)
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