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The words
A man who cannot move his arms or hands has used his [thinks / thoughts] to write on a computer screen. The man has been [paralysis / paralyzed] from the neck down for almost [a / the] decade. Scientists from Stanford University in the USA implanted two [tinny / tiny] sensors into the man's brain. The scientists gave [this / these] method two names - "brain-to-text" and "mindwriting". The man wants to [still / remain] anonymous, so scientists have called him T5. He became paralyzed after [suffer / suffering] a spinal cord [injured / injury] ten years ago. The implants have allowed T5 to use his mind to write. He can write 90 characters (about 18 words) [for / per] minute. This is five words slower than the average person writing a text message [in / on] a smartphone.

The mindwriting system is very [simple / sample] , but it involved a lot of advanced technology. Scientists asked T5 to imagine [hold / holding] a pen and then writing a sentence on a paper. The [sensors / senses] in T5's brain detected [the / a] activity in his brain as he imagined [written / writing] . A computer decoded this activity into text on a screen. The scientists used a special algorithm to [doing / do] this. Professor Jaimie Henderson, a Stanford University researcher, [heaps / hopes] this research could help millions of paralyzed people, and those who have lost the [able / ability] to speak, to write again. He said: "The [goal / score] is to restore their ability to communicate by text." This technology may one day help anyone to write at the [fast / speed] of thought.

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