That's where neurosurgeon Elizabeth Tyler-Kabara cut, attaching the chip through an inch-wide opening on the left side of Mr. Hemmes' skull.

神经外科医生伊丽莎白·泰勒·卡巴拉医生就在这个部位开刀，然后把芯片从这一英寸的开口中放入，贴在左侧Hemmes的头骨上。

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Tim Hemmes’ operation took two hours. He had practiced imagining arm movements inside brain scanners, to see where the electrical signals concentrated.

Tim Hemmes的手术花了两个小时，他在脑CT中练习想象着手臂的动作，然后得知他大脑中哪部分的电信号集中。

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The training started with Mr. Hemmes learning how to control movements on a computer screen.

FORBES: Quadriplegic Controls Robot Arm With His Mind

For the next four weeks, Mr. Hemmes trained with researchers, who used software to interpret his neural signals.

FORBES: Quadriplegic Controls Robot Arm With His Mind

Seven years ago, Tim Hemmes was in a motorcycle accident that damaged his final cord and resulted in his being paralyzed.

FORBES: Quadriplegic Controls Robot Arm With His Mind