Research ArticleNEUROPROSTHETICS

A neural interface provides long-term stable natural touch perception

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Science Translational Medicine  08 Oct 2014:
Vol. 6, Issue 257, pp. 257ra138
DOI: 10.1126/scitranslmed.3008669

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To Feel Again!

The loss of sensation is a major consequence and unmet challenge for amputees who have suffered limb loss. Tan et al. now demonstrate that a simple electronic cuff placed around nerves in the upper arm of two amputees wearing a replacement neuroprosthetic limb directly activates the neural pathways responsible for hand sensations. This neural interface enabled the two amputees to feel sensations at many locations on the neuroprosthetic hand. Different stimulation patterns transformed the typical “tingling sensation” of electrical stimulation into multiple different natural sensations, enabling the amputees to perform fine motor tasks such as picking up soft fruit and pulling the stalks out of cherries.

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