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DARPA's Brain Implants Would Help Replace Metal Function in Wouded Warfighters

by: Jeremy Hsu

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Such brain implants made from electrodes or optical fibers would sit on the brain's surface and monitor the electrical signals sent among neurons. They would also beam light pulses to stimulate specific parts of the brain in response, and ideally help the brain function normally despite having damaged areas.

The appropriately-named REPAIR (Reorganization and Plasticity to Accelerate Injury Recovery) project involves a team led by Stanford and Brown universities working with a two-year budget of $14.9 million. First up for the optogenetic tests are mice, rats and eventually monkeys.

Learning how to manage the human brain has been a top priority for DARPA in recent years, given the mad science lab's orders for technology such as cryogenic methods to freeze traumatic brain injury in its tracks. But they also seek to co-opt the brain's power for directly controlling prosthetic limbs usable by wounded warfighters. Even if this latest venture does not directly heal, it may at least help negate the effects of brain injuries so that it's as if they never existed.