它还对截肢者大有帮助，他们截肢的部位往往还可以进行电活动。
It could also benefit amputees, who often have residual electrical activity in the muscle at the amputation site.
在他们的报告中提到，在清醒状态下对老鼠进行电刺激，老鼠大脑会呈现出一种更强的“诱发反应”；而在睡眠状态中这种由于电刺激引起的反应就相对较弱。
They also showed that rats' brains have a stronger "evoked response" to electrical stimulation after being awake, and a weaker one after sleep.
这就是为什么人们进行无线电交谈时会说，“ Over ”，当他们这样来完成交谈时，信号不会重叠。
That's why people carrying on a conversation over wireless say, "over," when they are done talking so there is no overlap.
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