oyangbin345 oyangbin345
  • 01-11-2017
  • Biology
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What percent of the motor cortex of the brain is devoted to the muscles of the hand?

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W0lf93
W0lf93 W0lf93
  • 12-11-2017
The motor cortex dedicates a large amount to controlling the muscles of the hand. It is likely that the percentage is around 30%, maybe more. This is followed my the muscles of the face/tongue. This is surprising considering how small these parts are compared to other muscle groups of the body, but these parts require the most intricate control.
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