Neuroscience

Another step toward the hand prosthesis of the future

Researchers stimulated the nerves of an amputated arm with signals very similar to the natural ones, succeeding in "imitating the colors" of the evoked sensations of the various types of receptors and related nerve fibers ...

Ophthalmology

How video goggles and a tiny implant could cure blindness

At 16, Lynda Johnson was ready to learn how to drive. Yes, she had a progressive eye disease, retinitis pigmentosa, which already had stolen her night vision. But throughout her childhood, the Millbrae, California, girl had ...

Neuroscience

New prosthetic invention lets users reclaim their sense of touch

Two years ago, Melissa Loomis, age 43, was in her house in Ohio when she heard her two dogs barking and scuffling outside. She discovered her pets in a tussle with a raccoon and ran to intercede. The wild animal bit her right ...

Neuroscience

Brain-machine interfaces: Bidirectional communication at last

A prosthetic limb controlled by brain activity can partially recover the lost motor function. Neuroscientists at UNIGE asked whether it was possible to transmit the missing sensation back to the brain by stimulating neural ...

Medical research

Artificial retinas—promising leads towards clearer vision

A major therapeutic challenge, the retinal prostheses that have been under development during the past ten years can enable some blind subjects to perceive light signals, but the image thus restored is still far from being ...

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