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.

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