诱发电位对大鼠脑动态和整体机械运动的影响
Dynamic and integrated mechanical movements of a rat brain associated with evoked potentials
摘要：
通过使用压电传感器，它被证明，视觉诱发电位的大鼠大脑是伴随着机械运动的大脑时，它是兴奋的。一个阶段的向上运动被发现是由一个阶段的向下运动。最大的向上运动是100微克量级的膨胀压力的上升，这比牛蛙交感神经节的膨胀压力大大约40倍。机械运动的波形比诱发电位的波形复杂。这些发现被认为是由于诱发电位是从传感器的周围环境传播的，而机械信号是从压电传感器下方的任何地方产生的。讨论了电刺激在大脑中传播机械运动的机制。
英文摘要：
By using a piezoelectric sensor, it was demonstrated that the visual evoked potential of a rat brain was accompanied by mechanical movements of the brain when it was excited. A phase of upward movement was found to be followed by a phase of downward movement. The largest upward movement was a rise in swelling pressure on the order of 100 micro gram, which was about 40 times larger than that of the bullfrog sympathetic ganglion. The waves of mechanical movements were more complicated than those of the evoked potentials. These findings are thought to be due to the fact that the evoked potentials are propagated from the immediate surroundings of the sensor, while the mechanical signals are produced from anywhere beneath the piezo sensor. The mechanisms of mechanical movements propagated in the brain by electrical stimulation are discussed.
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