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How your brain tells your arm to get ready, set, go
Ready, set, go. Sometimes that’s how our brains work. When we anticipate a physical act, such as reaching for the keys we noticed on the table, the neurons that control the task adopt a state of...
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‘Decoder’ could lead to treatment for paralysis
To help people suffering paralysis from injury, stroke, or disease, scientists have invented brain-machine interfaces that record electrical signals of neurons in the brain and translate them to...
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Prosthetic turns drummer into 3-armed ‘cyborg’
A new robotic drumming prosthesis has two drumsticks—the musician’s arm and muscle sensors control one, and the other “listens” to the music and improvises. A new robot can be attached to amputees,...
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‘Smart’ liner detects how leg prosthetics fit
A new device could help relieve the pain and discomfort experienced by thousands of amputees as a result of poorly fitting replacement prosthetics for lower limbs. Researchers are developing a...
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Thoughts make robot hand pinch and scoop
A woman with quadriplegia was able to manipulate a robot hand into four positions using just her thoughts to successfully pick up big and small boxes, a ball, an oddly shaped rock, and fat and skinny...
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Our ancient ‘small brain’ can adapt to robot arms
In order to grasp an object, our brains have to use specialized areas to process visual cues. Then, other areas of the brain work with these signals to control our hands to reach for and manipulate the...
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Watch paralyzed man move robotic arm with his mind
A man who is paralyzed from the neck down can now move a robotic arm just by thinking about it. Neural prosthetic devices implanted in the brain’s movement center, the motor cortex, have allowed...
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3D printing lets surgeons learn to carve ears
When surgical residents need to practice a complicated procedure to fashion a new ear for children without one, they typically grab a bar of soap, carrot, or an apple. To treat children with a missing...
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Fake skin sends pressure signals to brain cells
A new plastic “skin” can detect how hard it is being pressed and generate an electric signal to deliver sensory input directly to a living brain cell. The work takes another step toward replicating one...
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This foam ‘pump’ works like a human heart
Scientists have created a new lightweight and stretchable polymer foam and used it to make a pump that mimics both the shape and function of a human heart. The foam is unique because it can be formed...
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