这些内部的电信号包含一定的认知和行为状态的信息，但是，到目前为止，我们不知道它们是否真正的改变大脑自身的活动。
These internal electrical signals contain information about certain cognitive and behavioral states but, until now, it had not been shown whether they actually change the activity of the brain itself.
研究人员通过脑电图来测量人体头皮上的电荷活动，通过这些电信号，可以移动鼠标光标，玩视频游戏以及完成其他的二维操作。
Researchers use EEG to measure electrical activity along a person's scalp. These electrical signals can move a computer cursor, play video games and perform other two-dimensional tasks.
虽然这项技术是用来采集人的心电信号的，但EPIC电位集成电路的开发商说它也可以很好的检测骨骼肌的电活动，包括控制眼睛的活动。
Though the technology is being introduced to pick up heart signals, EPIC's developers say it is also good at sensing the electrical activity of skeletal muscles, including those that control the eyes.
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