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Posts with tag brain

Researchers Devise Neural Implant That Learns Over Time


Brain-machine interfaces have done quite a bit in helping handicapped individuals interact with prosthetic limbs, computers and other humans, but a new neural implant concocted at the University of Florida could make all those past devices look archaic.

Put simply, researchers have discovered a method that would enable brain-machine interfaces to "adapt to a person's behavior over time and use the knowledge to help complete a task more efficiently." Until now, the brain was the instrument doing all the talking while the computer simply accepted commands; with this method, "the computer could have a say in that conversation, too."

In all seriousness, this type of learning mechanism could be game-changing in the world of physical therapy, but we hesitate to give something mechanical inside of our body too much free will, ya dig? [Source: University of Florida News via Physorg]

'Brain Games' Booming With Baby Boomers



What have you done today to keep your brain in shape?

Maybe it's time for you to get on board one of the latest trends in handheld and online applications: brain fitness. The market for brain training applications and products could reach $2 billion by 2015, according to SharpBrains, a market-research firm that tracks use of memory-improving and cognitive training programs.

While the trend toward hyperconnectivity with Google, GPS, and other tech conveniences may be dumbing us down, there is a large population searching for a way to keep their heads on straight. The market to improve the ol' trusty gray matter has seen major growth in the past few years as baby boomers are reaching their mid-to-late 60s -- it's more than doubled from $100 million in 2005 to $225 million only two years later in 2007. These folks want to stave off the forgetfulness and confusion they've seen their parents cope with as they grow old.

Games such as Sudoku and Nintendo's 'Brain Age' may be the most recognizable of these types of programs available, but there are whole programs on the market that claim to train people to think faster, remember more and expand the brain's capabilities. For example, Cogmed Working Memory Training is geared for people with attention deficit, and Lumosity is a popular online memory Web site.

Unlike older memory improving techniques, these newer brain training methods aim to make the process of thinking and memorizing more enjoyable -- it's about organizing information for improved recall, not cramming information into your skull.

Not every brain training solution necessarily involves gadgets and cutting-edge technology -- the card game of bridge has been touted for years as a way for seniors to keep their minds sharp. Break out the deck. [Source: CNN]

Matrix-Style Brain Downloads in 30-Years?

Matrix-Style Brain Downloads in 30-Years?Perhaps the most thrilling sequence in the original film, 'The Matrix' was the rooftop helicopter escape scene. It begins with Neo seeing a helicopter and asking Trinity "Can you fly that thing?" She replies "Not yet," then proceeds to download the required knowledge straight into her cranium. It's science-fiction right now, but will be for real within 30-years, according to a senior member of Britain's Ministry of Defense.

Chris Parry, who is also Chief Executive of the Independent Schools Council, a group of private schools, believes that soon kids will be able to download certain lessons straight into their brains. He gives entire foreign vocabularies as an example, enabling you to effectively learn the basics of a language instantly, only having to actually take the time to study the grammar rules afterward. This of course will mean a drastic change in the way kids are taught, potentially turning years-long educational programs into instantly downloadable files.

You know what that means: more time for video games! [Source: The Economic Times]

Doctor Uses Electric Drill to Remove Brain Tumor

Englishman Uses Drill on Ukranian Woman's Head to Save Her LifeThink of brain surgery and you probably think of a room full of doctors and nurses each holding specialized equipment, surrounding a patient draped in sterilized blankets in a room of polished stainless steel and glass.

Imagine a guy holding a rechargeable handheld drill and using it on someone's head, though, and you'd probably think it was a scene from a horror movie and not a medical documentary. But in an upcoming documentary to be shown on the U.K's BBC, that's exactly what a British doctor uses for an emergency surgery on a woman in the Ukraine.

The woman, Marian Dolishny, was fully conscious when Dr. Henry Marsh used a 9.6 volt rechargeable drill from manufacturer Bosch to drill into her skull. Thankfully she was at least given a local anesthetic, but it must have been quite a sensation to have an off the shelf drill bit chewing into her noggin.

Dr. Marsh is a frequent visitor to Ukraine, where he charitably performs no-charge surgeries. On this particular occasion, he didn't have the official tools required for this sort of surgery, but, as he mentions in the documentary, his use of the electric drill "shows how with improvisation you can achieve a lot."

From NEWS.com.au

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Internet Addiction Could Be Classified As Mental Illness



Put down your laptop and listen up: The Ottawa Citizen is reporting that compulsive e-mailing and text messaging could soon become classified as an official brain illness.

This month's issue of American Journal of Psychiatry says Internet addiction -- which includes "excessive gaming, sexual pre-occupations and e-mail/text messaging" -- is a common compulsive-impulsive disorder, and that it should be added to psychiatry's official guidebook of mental disorders.

From Dr. Jerald Block, a psychiatrist at the Oregon Health and Science University in Portland, says people can lose all track of time or neglect "basic drives" (read: eating, sleeping, and the like). He says that relapse rates are high, and that some people may actually need psychoactive medications or hospitalization.

So look at yourself in the glow of your reflective monitor and ask, "Do I need help?"

And then promptly continue reading Switched.com and its affiliated Web sites. Thank you.



From Engadget


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Audeo Neckband Translates Your Thoughts Into Speech


Who wants to waste energy speaking words when just thinking about speaking will do? Audeo -- a neckband that detects nerve impulses sent to the larynx -- will help you do just that. The techo-accessory has previously been demonstrated controlling a motorized wheel chair, but now the scientists behind the device have added "voiceless" speech to its repetoire of tricks.

Ambient Corporation demonstrated a phone conversation where one side of the discussion was not spoken but thought, then converted words and vocalized by a computer. The Audeo could prove to be a boon not only for those who have lost the ability to speak, but those who simply don't want to discuss sensitive or private matters out-loud in public, since presumably one could just think of something and evenutally send it in an e-mail or text message.

The current model only understands 150 English-language different words, and suffers from a noticeable delay between thought and vocalizations.

Don't worry about your secret thoughts getting accidentally transcribed, however, since the device requires a "level above thinking" according to Ambient co-founder Michael Callahan, to actually translate into speech. In other words, you'd have to specifically think about speaking specific sentences for them to get vocalized or transcribed.

Ambient is working on a next gen model already that will have a vocalization engine based on phonemes that will give the device an unlimited vocabulary, but will come at the cost of even slower performance. Check out the video for a demonstration.

From NewScientist (via Engadget)

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The Trippiest Optical Illusions on the 'Net

Instant Test: Are You Creative or Logical?

This silhouette wins the award for coolest thing we've seen all day -- and it's not just because the tiny dancer above is in the buff. This is a little test that will tell you whether the left or right hemisphere of your brain is more dominant.

Instead of concentrating on her chest, concentrate on the woman's movement. If you see her spinning clockwise, that means you're using the right side, or more creative side of your brain. If she appears to be moving counter-clockwise, then that means the left side, or more logical side of your think muscle is superior.

At the Switched office, some of us see her going clockwise, others see her spinning counter-clockwise. At least one of us claims to see both, while another one of us opened this animation in Adobe ImageReady in order to isolate the frames to see if there's any direction-changing funny business going on. There isn't.

Take the test for yourself. Then, if you have time for a 50-question survey, compare these instant results to a more thorough diagnosis.

From Gizmo Watch

But wait! We have more optical illusions for you!




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