Man moves individual fingers on prothetic arm using only his thoughts

Physicians and biomedical engineers from Johns Hopkins report what they believe is the first successful effort to wiggle fingers individually and independently of one another using a mind-controlled artificial "arm" to control the movement.

The proof-of-concept feat, described recently in the Journal of Neural Engineering, represents a potential advance in technologies to restore refined hand function to those who have lost arms to injury or disease, the researchers say. According to the Amputee Coalition, more 100,000 people living in the U.S. have amputated hands or arms.

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