"Before this, emitting light into the brain would be like hitting it with a hammer," Shenoy said.

“在此之前，向脑部发射光就好像打它一锤子。”，谢诺伊说。

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But what experts can't yet do, Shenoy said, is alter those electrical pulses to turn brain circuits on or off.

谢诺伊说，但是专家们目前还无法做到的是，如何改变大脑的那些电脉冲信号以开启或者关闭大脑的信息回路。

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