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Brain sees tools as limb extension

Brain sees tools as limb extension

作者:阚诵窨  时间:2019-03-08 07:08:01  人气:

WHEN you brush your teeth, the toothbrush may actually become part of your arm – at least as far as your brain is concerned. That’s the conclusion of a study showing perceptions of arm length change after people use a mechanical tool. The brain maintains a physical map of the body, with different areas in charge of different body parts. Researchers have suggested that when we use tools, our brains incorporate them into this map. To test the idea, Alessandro Farnè of the Université Claude Bernard in Lyon, France,