A paralyzed man is using his mind to create real-time sentences on a screen.The man's name is unknown, but he's referred to as T5 by the team of researchers from Stanford University studying his brain and according to a CNN report, he's able to write sentences on a screen in real-time by visualizing the movement required to write letters.If he wants to write "yes," he must visualize himself writing the y, the e, and the s. T5 was 65 years old when the study was performed and he was paralyzed from the neck down for nearly a decade after sustaining a spinal cord injury in 2007, according to CNN. The Stanford University team implanted two sensors into the left side of T5's brain and asked him to imagine writing on paper with a pen.The implanted sensors, which were comprised of 4-millimeter by 4-millimeter electrodes, then translated the brain activity happening as a result of T5 trying to imagine writing into words on a screen. It did all of this in real-time, too. According to CNN, T5 "was able to communicate by text at speeds rivaling those achieved by his able-bodied peers texting on a smartphone."More specifically, T5 was able write 18 words per minute, which is more than double the previous for someone typing with a brain interface like this, according to the team's Nature journal published about the study, as noted by CNN. The team says that on average, an able-bodied person types about 23 words per minute on a smartphone.Stanford professor, Jaimie Henderson, who is one of the people behind the study, told CNN that this "new development could be life changing for those who have suffered devastating injuries like brain stem stroke" and more.The technology could allow anyone currently paralyzed to write using just their brain activity and while that's exciting for a number of reasons, the team told CNN that there's a lot of work to be done before this technology is available to the mass public. They said it will probably take years, but hopefully not decades, for that time to come.For more about brain interfaces, read about how Elon Musk's brain company, Neuralink, plans to make a cyborg monkey play "mind pong" and then read about how one of the co-founders of Neuralink says they could build a Jurassic Park if they wanted to. Check out IGN's list of the top 25 best Sci Fi movies after that.Wesley LeBlanc is a freelance news writer and guide maker for IGN. You can follow him on Twitter @LeBlancWes.