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Paralyzed Individuals Operate Tablet With Brain Implant (ieee.org)

Last year, a study from the BrainGate consortium reported that a brain-computer interface (BCI) enabled a paralyzed man to type up to eight words per minute via thoughts alone. Now, according to new results from a BrainGate2 clinical trial, the same BCI was used to help three participants operate an off-the-shelf tablet. IEEE Spectrum reports: All three participants suffer from weakness or loss of movement in their arms due to amyotrophic lateral sclerosis (ALS, also called Lou Gehrig's disease) or spinal cord injury. Each received the brain implant, an array of microelectrodes, as part of the BrainGate2 clinical trial. For this particular study, decoded neural signals from the implant were routed through an industry-standard Human Interface Device protocol, providing a virtual mouse. That "mouse" was paired to a Google Nexus 9 tablet via Bluetooth.

Each participant was asked to try out seven common apps on the tablet: email, chat, web browser, video sharing, music streaming, a weather program and a news aggregator. The researchers also asked the users if they wanted any additional apps, and subsequently added the keyboard app, grocery shopping on Amazon, and a calculator. The participants made up to 22 point-and-click selections per minute and typed up to 30 characters per minute in email and text programs. What's more, all three participants really enjoyed using the tablet.

21 of 61 comments (clear)

  1. Good start by Luckyo · · Score: 4, Insightful

    That sounds very interesting. If the accuracy and speed of "mental control over object in two dimensional space" gets high enough and doesn't interfere with normal motor control in healthy people, I can see this becoming standard for pretty much anyone that needs to use complex machinery of any kind.

    1. Re:Good start by Anonymous Coward · · Score: 5, Interesting

      Some of the original work from BrainGate had a problem; the connection between the neurons and the embedded chip would decay over time. This was due to scar tissue that would form around the microscopic "readers" that contacted the neurons.

      I wonder if this generation of tech has solved that problem.

    2. Re:Good start by Luckyo · · Score: 1

      I'm not up to date on the bleeding edge of medical science, but from what limited information I have, we have ways of reducing/slowing down formation of scar tissue and "hiding" it in certain kinds of wounds and tissues, but nothing that would prevent scar tissue from forming.

      If anyone has a better idea, please tell us about it.

    3. Re:Good start by Immerman · · Score: 2

      Use fiber-optics so that never touch the cells you're monitoring. Perhaps genetically engineer the brain cells you want to monitor to fluoresce when firing. If you want two-way communication, then you engineer them to make the cell walls produce chloroplasts in two different colors, so that you can shine one color light on them to make them fire, and another to suppress firing.

      The fun part? The chloroplast thing has actually already been done - watched an interesting TED talk years ago. They used the ability to study what exactly the cells do by selectively activating or suppressing certain cell types in tightly focused spots in the brain. The scary part? The fact that they seemingly took no particular precautions to contain the virus used to modify the cells, reasoning that they were using a harmless virus that usually caused no symptoms, at worst a minor sniffle. My thought was no, it WAS a harmless virus, now it makes peoples brain's grow two kinds of chloroplasts, with non-zero metabolic costs and unknown long-term consequences, especially on developing embryos. (Yes, I immediately investigated when Zika hit the media. Unrelated virus)

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    4. Re:Good start by Luckyo · · Score: 1

      Considering the complexity of the system we call "human brain", I would suggest that attempting to genetically engineer its cells is very, VERY far away. We don't really understand how it actually works yet.

    5. Re:Good start by Immerman · · Score: 1

      As I said - it's already been done. Years ago.

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    6. Re:Good start by Luckyo · · Score: 1

      If that was done years ago, we'd be hearing about it all the time, as this would be a massive breakthrough both in understanding of how brain works and in genetic engineering.

      Seeing how opposite is true, I'm calling BS.

  2. keyboard app? by Anonymous Coward · · Score: 1

    Is our world so broken that all we can do is think in terms of mouse movements and keyboard apps?

    If you can control a mouse, you can train your brain to produce binary coded character streams. Yes, it will take some training. Not unlike learning how to touch type. But imagine how powerful a brain interface could be if you could think text instead of the painfully slow process of moving a mouse from button to button.

    1. Re:keyboard app? by Anonymous Coward · · Score: 1

      It took a ridiculously long time for this device to appear considering all the underlying tech has been dirt cheap for about 5-7 years now, but I guess that's the blink of an eye in a highly regulated bureaucratic behemoth. Speaking of which, what probably makes this possible is the correlation between "mouse go here" and looking at it (focusing/moving your eyes). Eye movements produce very 'loud' easily readable brain waves. ALS is a neurodegenerative disease so there is probably a difference between ALS brainwaves and normal brainwaves. To make the leap that binary coded character streams should be easy is completely baseless, especially in ALS patients.

    2. Re:keyboard app? by Anonymous Coward · · Score: 3, Funny

      If you can control a mouse, you can train your brain to produce binary coded character streams

      This is true. The human mind is capable of amazing feats, especially when required to overcome some handicap or hardship.

      For example, Helen Keller was able to become highly educated and earn a degree from a prestigious university, despite being from Alabama.

    3. Re:keyboard app? by Immerman · · Score: 1

      If you can control a mouse, you already have the interface, all you need is the app. One mouse movement in any of 8 different directions, you can output 3 bits at a time. And no reason you have to limit it to just 8 directions.

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  3. This is going to be abused by employers eventually by edris90 · · Score: 1

    It's already hard enough to get an employer's to match the workload to what they're willing to pay. Things like this or just going to encourage additional cheating of workers the true value of their work. My my the way we cheat countless future Generations in order to take shortcuts today

  4. Would have been great for Hawking. by wolfheart111 · · Score: 1

    Would've :(

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  5. What about mobility? by caviare · · Score: 1

    That's great. Now I want them to be able operate a http://avp.wikia.com/wiki/P-5000_Powered_Work_Loader, so they can move around and send those aliens back where they came from.

  6. Re: You people need to STOP BULLYING ME... apk by skam240 · · Score: 2

    Heh, you've been duped. That is not a normal user post or I don't know shit about anything.

    I was looking at a similar post recently with similar use of bold and caps that was complaining about right wing posters while specifically talking about their own physique although in that case they went on to discuss their calf implants.

    Pro tip: Any time you see such a mess of formatting in a post it's not the work of a normal user. Are they crazy? Are they propagandists? Who knows. They certainly arent worth anyone's time though.

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  7. Paralyzed Individuals by quenda · · Score: 1

    It's sad what political correctness is doing to the English language. We used to have a perfectly good words for "participants with tetraplegia" or "persons living with visual disability".

  8. Re:Aren't you the same "Luckyo" faggot that says by Luckyo · · Score: 1

    Well, based on your sample of one, I guess your brain is certainly damaged.

  9. A single tablet for all of them??!? by pem · · Score: 1

    Someone should set up a go-fund-me to get more tablets. Maybe those people who helped that homeless guy -- they have a proven track record.

  10. Re:This is going to be abused by employers eventua by Applehu+Akbar · · Score: 1

    Why yes. Give your ditch digger a backhoe, and that just enables you to exploit him for more work.

    If you’re going to be a socialite, at least don’t be a Luddite socialist. That just assures that your ideas will never be tried out in a real country.

  11. Re: You people need to STOP BULLYING ME... apk by edris90 · · Score: 1

    I know,. The engineer in me screams when you see people throwing energy into increasing their already unhealthy dependency on external validation and attention, to the extremeof generating unpleasant emotional states about it. why would you actively practice structuring your thought processes in such a way that gives everybody else power over you? That's just shoddy workmanship. Counterproductive perceptual engineering

  12. Re: You people need to STOP BULLYING ME... apk by skam240 · · Score: 1

    You missed my point entirely. There is quite likely not a bit of honest anything in that post. The likely purpose of that post is to rile people up. While bashing regularly posting right wing types from slashdot's forums that poster has made themselves out to be the arch-type of the pathetic Leftist the more ignorant members of the Right want the Left to be. It insults idiot members of the Right while validating their world view.

    Basically, this post's point is likely to make people argue more. I don't know that for a fact but I find it to be the most likely reason as I find it unlikely that a person, as depicted there, actually exists and is also a regular slashdot user.

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