Amputee Feels Lost Hand With Cutting-Edge Prosthetic

Dennis Sorensen, 36, tested the first prosthetic hand with sensory feedback.
3:00 | 02/05/14

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Transcript for Amputee Feels Lost Hand With Cutting-Edge Prosthetic
This is a special group. Hello I'm tired and as the New York but is ABC news digital special report. For the first time in the world and with a prosthetic hand is actually able. To feel the object he's holding. Dennis Sorensen lost his left 109 years ago and now. -- not -- grasp objects Dennis can actually. -- them get sensory feedback European researchers re connected -- -- of his upper hand. To approach that -- can he wears now something that had never been accomplished before here's professor Sylvester miss Serra from the research team behind the project. Explaining the science behind the technology. He hadn't favorite over Stanford attached to each -- and -- quote each finger. We can use these sensors. To understand the level -- -- petition with reforming why gossiping involved. -- used before -- information. Believe it very precise stimulation to the defense sensory nerves you know bid to restore these that he had time since then -- -- -- -- -- And Dennis Sorensen joins us now to tell us more about this amazing advancement his life and medical technology. Dennis I understand this was just. A trial. And you no longer have the censor me. Park part of that Chris static at this point. But what can you tell us about what that was like when you did happen. Yeah it was it truly amazing to use the -- -- -- -- to shield -- and again and statement and talking to my brain again so amazed. So tell us how sensitive the device was how did you tested outs and what was it like after all that time. To see something again. Unity tested out -- it is four different kicks in that losses. That it would box and soft bondage time and and today don't -- told look at it. And Andrew glass and ended just to suddenly be -- to distinguish the different -- from from each other that that was. Incredible. There a difference in terms of delay in in the in the moment when year -- touched it and when you sensed the feeling. Now it -- -- in real time. It it was. So -- -- -- -- what's happening in -- time. How how did you get involved with this trial it seem -- you're very fortunate to have been chosen. What was that like for -- though because it did involve. Being able to try the device but then you had to give it up as well as. Yes of course was also one of the case is why I was picked because. The Russell -- tested it beforehand and then there was some trees -- to go to stand. And so on. And I'm grateful that night was the one who was -- -- in the -- the end and and yeah two to give it up was crosses. He trained but nevertheless -- an idea and knew that debt that it. Right from the beginning this is going to be began and now I know its optical and then in the near future. How do you get on in your everyday life what you use currently. Before your hand. I -- my not only my electric -- -- rescinding that I have been used to control see she is -- you compare that to. -- always slack at night and day Nicholas's. Nine my current Monday assists and one half to -- the lies all the time to see what I'm doing that that. And this is a new one you see is able to tune it to feel what I'm doing so this I can't rely on that. Mullah -- naturally. So if you pick up a cup of coffee say you don't have to look at it to make sure that you're still holding. What about set your children did they get to see us some of this video what did they think of this invention -- -- that your father. Yeah and they put down resisting media. Room -- -- scrutiny experiment and it. He's still only bias sticking out of my comment on Wednesday. -- need the -- -- -- Temperature could you. -- -- you talked about being able to tell the difference between something hard and something soft -- able to tell us. -- was hot or cold for example. No I think that would be -- makes it forward at great scientists used to treat it that out then. It is present tuned to distinguish them nick Coleman. And then Wall Street accident soon it and not -- in the picture right now. Now what did they tell you -- in terms of the future will this be something. That could be available within months within -- -- what do you know about the next step. Isn't what's up to meet will be tomorrow. I don't think that being the chase I think -- yet talking may be. Now -- yes but but not opted many iyas. OK we'll Dennis Sorensen I want to thank you so much for joining us and participating in that incredible trial. The man who for a short time had a bionic hand -- A sense of touch thank you again for joining us Dennis Sorensen and stay -- abcnews.com for your latest headlines. For now -- Hernandez in New York with -- ABC news digital special report.

This transcript has been automatically generated and may not be 100% accurate.

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