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意识性运动的神经控制通路 -- 非文人 - (156 Byte) 2004-8-10 周二, 上午4:40 (145 reads) |
赵夭
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作者：Anonymous 在 罕见奇谈 发贴, 来自 http://www.hjclub.org
input。小脑的功能之一是协调运动的平滑。大脑运动中枢发出指令后小脑会根据身体各部位传回的信号调整运动指令。小脑受伤的人动作会类似Parkinson病人一样而且无法行走。
小脑 Functions:
*Coordination of voluntary movement
*Balance and equilibrium
*Some memory for reflex motor acts.
The cerebellum is involved in the coordination of movement. A simple way to look at its purpose is that it compares what you thought you were going to do (according to motor cortex) with what is actually happening down in the limbs (according to proprioceptive feedback), and corrects the movement if there is a problem. The cerebellum is also partly responsible for motor learning, such as riding a bicycle. Unlike the cerebrum, which works entirely on a contralateral basis, the cerebellum works ipsilaterally.
作者：Anonymous 在 罕见奇谈 发贴, 来自 http://www.hjclub.org |
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