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  1. #1
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    A sensational breakthrough: the first bionic hand that can feel




    The first bionic hand that allows an amputee to feel what they are touching will be transplanted later this year in a pioneering operation that could introduce a new generation of artificial limbs with sensory perception.


    The patient is an unnamed man in his 20s living in Rome who lost the lower part of his arm following an accident, said Silvestro Micera of the Ecole Polytechnique Federale de Lausanne in Switzerland.


    The wiring of his new bionic hand will be connected to the patient’s nervous system with the hope that the man will be able to control the movements of the hand as well as receiving touch signals from the hand’s skin sensors.


    Dr Micera said that the hand will be attached directly to the patient’s nervous system via electrodes clipped onto two of the arm’s main nerves, the median and the ulnar nerves.


    This should allow the man to control the hand by his thoughts, as well as receiving sensory signals to his brain from the hand’s sensors. It will effectively provide a fast, bidirectional flow of information between the man’s nervous system and the prosthetic hand.


    “This is real progress, real hope for amputees. It will be the first prosthetic that will provide real-time sensory feedback for grasping,” Dr Micera said.


    “It is clear that the more sensory feeling an amputee has, the more likely you will get full acceptance of that limb,” he told the American Association for the Advancement of Science meeting in Boston.


    “We could be on the cusp of providing new and more effective clinical solutions to amputees in the next year,” he said.


    An earlier, portable model of the hand was temporarily attached to Pierpaolo Petruzziello in 2009, who lost half his arm in a car accident. He was able to move the bionic hand’s fingers, clench them into a fist and hold objects. He said that he could feel the sensation of needles $#@!ed into the hand’s palm.


    However, this earlier version of the hand had only two sensory zones whereas the latest prototype will send sensory signals back from all the fingertips, as well as the palm and the wrists to give a near life-like feeling in the limb, Dr Micera said.


    “The idea would be that it could deliver two or more sensations. You could have a pinch and receive information from three fingers, or feel movement in the hand and wrist,” Dr Micera said.


    “We have refined the interface [connecting the hand to the patient], so we hope to see much more detailed movement and control of the hand,” he told the meeting.


    The plan is for the patient to wear the bionic hand for a month to see how he adapts to the artificial limb. If all goes well, a full working model will be ready for testing within two years, Dr Micera said.


    One of the unresolved issues is whether patients will be able to tolerate having such a limb attached to them all the time, or whether they would need to remove it periodically to give them a rest.


    Another problem is how to conceal the wiring under the patient’s skin to make them less obtrusive. The electrodes of the prototype hand to be fitted later this year will be inserted through the skin rather than underneath it but there are plans under development to place the wiring subcutaneously, Dr Micera said.
    http://www.independent.co.uk/news/sc...l-8498622.html

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  3. #2
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    Thank you for deleting my message and failing to load the page, PSU. In summary, this is really cool stuff and the technology for it is advancing rapidly. Further miniaturization and understanding on how to interpret specific signals of the brain will lead to some very impressive stuff in the next decade. So hurray for technology that improves people's lives!

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  5. #3
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    that's pretty incredible, gotta respect the people who can design and build such things




  6. #4
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    if i recall correctly, a british hospital is doing something similar but with sight; to aid blind people. whilst sight isn't 'restored' the tech allows them to see the edges of objects, a significant improvement over nothing.

    the human brain is intrinsically fascinating, it's good that we are now at a point technologically where we can augment the brains signals on man made appendages. and most importantly; are starting to understand the brain better. a book i read years ago suggested that 90% of the brain was unknown.
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    Quote Originally Posted by Fijiandoce View Post
    if i recall correctly, a british hospital is doing something similar but with sight; to aid blind people. whilst sight isn't 'restored' the tech allows them to see the edges of objects, a significant improvement over nothing.

    the human brain is intrinsically fascinating, it's good that we are now at a point technologically where we can augment the brains signals on man made appendages. and most importantly; are starting to understand the brain better. a book i read years ago suggested that 90% of the brain was unknown.
    Would be awesome if the brain could be safely altered to recall things that you have seen picture perfectly. Everyone could become superhumans with huge knowledge and perfect memory.

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  8. #6
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    It won't be long until I can attach multiple appendages to my body and rule the world like Goro..
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    Deux Ex in real life? I hope he gets his neuroprozyne.

  10. #8
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    Give them a hand for a job well done.

  11. #9
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    Quote Originally Posted by keefy View Post
    Give them a hand for a job well done.
    I read that as something very wrong. :/
    "Courage is the key to life.”

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  13. #10
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    Not the same as the real thing... But a massive breakthrough
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  14. #11
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  15. #12
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    you my friend are so right... Maybe i will be able to do this

    Plato and Aristotle, a detail of The School of Athens, a fresco by Raphael. Aristotle gestures to the earth, representing his belief in knowledge

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