目的：探讨功能磁共振导航辅助锁孔手术治疗脑皮层运动区占位性病变的临床价值。
Objective: to explore the clinical value of functional neuronavigation-assisted operations on brain occupying lesions involving motor cortex through individualized keyhole approaches.
大脑皮层位于大脑外层，运动原大脑皮层是所谓的“可激发区”，已经有证据证明电磁刺激该区会引起肌肉抽搐。
The cortex is the outside layer of the brain and the motor cortex is known as the "excitable area" because magnetic stimulation has been shown to cause a muscle twitch.
有个意想不到的发现：当患者重复单词时，面部运动皮层最为活跃、威尼克区活跃度则相当低。
One unexpected finding: When the patient repeated words, the facial motor cortex was most active and Wernicke's area was less active.
结果表明功能图像上可见左侧初级运动皮层区的信号变化，而在本实验中梯度回波图像上结果为阴性。
The result showed that the signal changes were seen in the left primary motor cortex when EPI was used.
结果表明功能图像上可见左侧初级运动皮层区的信号变化，而在本实验中梯度回波图像上结果为阴性。
The result showed that the signal changes were seen in the left primary motor cortex when EPI was used.
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