The 7,000-mile-away prosthetic arm makes an important point: These new prostheses aren’t just going to restore missing human abilities. They’re going to enhance our abilities, giving us powers we never had before, and augmenting other capabilities we have. While the current generation of prostheses is still primitive, we can already see this taking shape when a monkey moves a robotic arm on the other side of the planet just by thinking about it.
Other research is pointing to enhancements to memory and decision making.
The hippocampus is a small, seahorse-shaped part of the brain that’s essential in forming new memories. If it’s damaged — by an injury to the head, for example — people start having difficulty forming new long-term memories. In the most extreme cases, this can lead to the complete inability to form new long-term memories, as in the film Memento. Working to find a way to repair this sort of brain damage, researchers in 2011 created a “hippocampus chip” that can replace damaged brain tissue. When they implanted it in rats with a damaged hippocampus, they found that not only could their chip repair damaged memory — it could improve the rats’ ability to learn new things.
Nor is memory the end of it.
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