brain-computer interface
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Researchers cram bio-signal monitoring system inside baseball cap
Never before has headgear been so intrinsically linked with actual brain waves. Thanks to a team of researchers looking to create a method for "continuously monitoring high-temporal resolution brain dynamics without requiring conductive gels applied to the scalp," a new baseball cap has been created to do the trick. Said hat conceals five embedded dry electrodes which contact the wearer's forehead, while a single electrode behind the left ear acquires EEG signals. From there, the data is transferred wirelessly and can be processed in real-time to determine a driver's level of drowsiness, for instance. The gurus behind the invention have high hopes for its future, and they've already envisioned it being used in a plethora of medical scenarios and for controlling home electronics. To those about to rock this -- prepare for some serious hat-hair.
New brain control development could help quadriplegics get around
Sure, we've seen brain power used to give mobility back to the immobile, but a new development in Europe is one-upping current efforts by adding in a hint of artificial intelligence to the tried and true brain-computer interface. The MAIA BCI not only converts signals emitted by the brain into actions -- such moving a wheelchair forward -- it also thinks for itself when needed in order to assist the user in getting where he / she wants to go. Essentially, the individual need only think about going left or forward (for example), and the machine itself will automatically detect obstacles and potential barriers in order to move more efficiently. As it stands, there's still quite a bit of testing to be done before MAIA-based wheelchairs would be available to the public, but researchers are already hoping to integrate said technology into artificial limbs and the like.[Via Physorg]
GDC08: Emotiv 'brain control' headset shows its kinks
"I think we found a bug," mocked an audience member during an embarrassing lapse in the presentation, one of countless hiccups that marred Emotiv's would-be grand unveiling of the "world's first consumer 'Brain Computer Interface'" (not "Brain Control Interface," as the press invite alluringly stated). Spunky CEO Nam Do kicked things off with a burst of energy, firing off adjectives like "super cool" and "uber-cool" to describe his company's 'next generation human-machine,' a conscious and non-conscious processor with a three-part 'total communication' interface: affectiv, expressiv and cognitiv. Clearly, something was missing. Nam explained that the machine could read feeling and emotion, things that "distinguish us from humans ... er, computers!" An assistant, Marco, entered stage right sporting Emotiv's neuro-headset, a mess of tentacled sensors wrapped around his temple, as Nam introduced Marco's virtual counterpart, Emobot. A robot head with a cute, round face began to mimic Marco's facial expressions on a large screen behind Nam. "Look cute, look cute," goaded Nam, and Marco and the Emobot responded, blinking their eyes and pursing their lips. Emobot followed along for a few more moments before freezing up -- and it was onto the next demonstration. Nam pressed Marco to "think of something, and make it happen" by manipulating a three-dimensional cube now occupying the center screen. A simple 'zoom' command seemingly worked, but when told to mind-push the cube along multiple axes, Marco failed. "Weak mind, weak mind," teased Nam, warding off the inevitable tension. He filled the pause with pseudo-science, something about electrical impulses converted into an image of thought within a roughly 90,000-dimensional space. (90,000 dimensions? Had we heard that right?) Marco was still squeezing his eyes shut, carefully molding thoughts with his hands. Still nothing ... and then ... the cube spun briefly to life. "You feeling okay to do the risky one?" Nam asked. (No, it was not a question.) %Gallery-16463%
Your MMO, your brain and your computer
Brain Computer Interfaces - these last 15 years or so, they've carried the slick acronym of BCI. Over at Keio University in Tokyo, the Biomedical Engineering Lab they're working on non-invasive BCI systems which may 'eventually' become mass-market input devices. The question is - does the gaming and MMO world actually want them? Lord knows, gamers didn't back in the 1980s when a variety of these devices were on the market.
Brain2Robot project creates EEG-controlled robot arm
Thought-controlled appendages are far from new, but an international team of researchers have apparently created an apparatus that aims to make the lives of paralyzed individuals a tad easier. The Brain2Robot project utilizes electroencephalograph (EEG) signals in order to give patients the ability to control a robotic arm, which could eventually be used to do everything from hold periodicals to lift a cup of coffee. Reportedly, the arm could be ready for commercial use within just a few years, but there's no mention of an expected price range. Granted, we'd be a bit more excited about all of this if the technology were somehow made mobile, but it's hard to kvetch about a helping hand, regardless.[Via Primidi]
G-Tec's thought control hat
Hey you. Yeah, you, listen in close; we've seen the future here at CeBIT. If you thought that the idea of controlling your gaming rig with only your mind was just a bit too Tomorrowland, then you haven't laid eyes on the "brain-computer interface" developed by Austria's Guger Tecnologies (g.tec). We're happy to report that in a game of thought-control vs. Engadget man-editor, we were totally pwned at Pong. 10-to-4 if you must know. Our competition sat smug in his stool thinking about where he wanted his paddle to go, as we flailed about helpless with mouse and keyboard in a wake of alpha waves. At least we didn't have to smear gel on our scalp and wear a funny hat -- ha! The system works by cleverly measuring fluctuations in electrical voltage in the brain and then translating them into computer commands. The technology has already been commercialized into the size of an iPAQ Pocket PC for hospitals and research institutes. It costs about $5,000 with a 99 - 100% level of accuracy for "trained subjects." We had our hat handed to us by a person who just started using the system, yesterday. Hell, that's a shorter learning curve than Graffiti. Although the technology shows great promise in controlling prosthetics and assisting the disabled with communications, we found ourselves (and our new best scientist friends, Christoph Guger and Ingo Niedermayer) eagerly discussing its use as a Second Life controller and of course, in robotics. Be sure to click the read link below for all the details; check the gallery for the gore.%Gallery-2158%
g.tec launches ready-to-go brain computer interface kit
We know what you're thinking [1], how come no-one has made any of the various brain interface technologies out there into a commercial product? Well, your dream last night [2] took a step closer to becoming reality with the announcement of the "ready-to-go" g.BCIsys Brain-Computer interface kit by the Austrian company g.tec. Out of the box, the BCIsys can play simple games and comes with a P300 spelling device which, with a little training, can read your thoughts and place single letters on a screen. Ok, so you're not exactly going to want to throw away your QWERTY just yet, as the P300 can take as many as 20 "flashes" to correctly read the word that you're thinking; nor should the weight conscious be concerned that Wii Sports will be moving back to the sofa just yet, as the only included game is Pong. Also, this system isn't exactly what you'd call a commercial release (lets just say that g.tec's distribution partners aren't the "one click purchase" type). In fact, we can't find any information about how much the kit costs, or even whether simpletons like us would be allowed to get their hands on one. Little steps, little steps.[1] No, we didn't place one of the brain interface kits onto your head whilst you were sleeping: it's just a turn of phrase ...[2] ... honest![Via gizmag]
Neurochip acts as a second motor cortex
Haven't you ever wished that you had a second motor cortex? If you've suffered a brain injury of some kind, you just might. For the last few years, researchers at the University of Washington have designed and installed a special computer chip attached to the top of monkeys' heads to record the brain's motor cortex nerve signals. This computer chip, dubbed the Neurochip, creates a brain-computer interface that records every movement sent from the motor cortex to the rest of the monkeys' bodies. Then the Neurochip converts those signals into a stimulus that can be fed back to the brain, creating new neural pathways that theoretically could be used if the motor cortex was damaged in some way. We've still got a few questions, like exactly how this happens, how big physically this interface is, and when we should expect human trials. Of course, we've seen previous brain-computer interfaces before, but this one seems a bit more practical than strapping your head to some type of computer. The team published its results in the November 2, 2006 issue of Nature.
Teenager plays Space Invaders with only his brain
While having a robotic assistant play video games for you might sound novel, it's certainly not as thrilling as interacting with the 1s and 0s yourself. A team of researchers, engineers, and students at Washington University in St. Louis have crafted a brain-computer interface system that allowed a 14-year old gamer suffering from epilepsy to cruise through the first two levels of Space Invaders using only his imagination. Rather than picking up an Xbox 360 and perusing through the Xbox Live Arcade, the crew went back to their roots and programmed an Atari 2600 to interface with the brain-sensing apparatus. The headgear boasted a grid of sensors that monitored "electrocorticographic activity" from the brain's surface to detect signals based on thought processes that were going on. By calibrating his thoughts with video game triggers, the teenager was able to learn the ropes "almost instantaneously," and had no qualms demolishing the competition while twiddling his thumbs. The group plans to use this successful experiment to further understand the mysterious signals of the mind and give physically disabled individuals a chance to show of their mental sharpness, but we're hoping to see this thing bundled in with the sure-to-be-delayed PlayStation 8 that should hit shelves sometime before 2040 2050.[Via MedGadget]
Thought-based biometrics system underway?
Seems kind of old school if your brain interface doesn't provide extra-sensory enhancement or integration to robotic limbs, but researchers at Carleton University in Ottawa, Canada are working on a system for thought-based biometrics by scanning and interpreting each individual's unique brain-wave signatures that occur when they think of a certain thought or can identify patterns uniquely -- kind of like that Peter Pan pixie dust thing, except in this case you get granted access to your box. For a variety of reasons the system isn't without its doubts and detractors, and will probably continue to have them so long as you have to wear an EEG cap on your scalp to get a reading -- though according to UCLA professor and BCI expert Jacques Vidal, rocking that headgear's the least of this system's problems. But if you expect us to shrug off any system that lets us interface with our gear via mind-link, you're sorely mistaken. So keep at it Carleton U, let's see some thought scanners.
Mind-controlled PONG featured at CeBIT
Brain-computer interfaces hold enormous promise for perfecting prosthetics, assisting quadriplegics, and improving vehicle safety. So what's the first application shown off at the CeBIT 2006 show? A way of playing (and losing) a game of PONG... with - your - mind.Sure, you could also check out a typing application that's still in the pre-beta-alpha stage below (man, typing on a post on that would take... a very long time), but playing an ancient arcade game with no hands seems like a more entertaining proposition at this point.See also: The Berlin Brain-Computer Interface from Dr. Klaus-Robert Müller A short video clip of that brain-typing application A look back at Joystiq posts featuring the word "PONG" 5.46 GHz PC shown at CeBIT Japanese doctors recommend Brain Training for seniors
