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Tuesday, January 25, 2011

Feeling Robotic Arms Improves Brain Machine Interfaces

Inside the Mind

Feeling Robotic Arms Improves Brain Machine Interfaces | Neuroscience News

Monkey operating a robotic arm with brain–comp...Image via WikipediaFeeling Robotic Arms Improves Brain Machine Interfaces | Neuroscience News



Proprioception feedback of a robotic arm helped improve the performance ofmonkeys using brainmachine interfaces to control a computer cursor. When the monkeys were fit with exoskeletons that provided arm movements synchronized with the cursor movement, control of the cursor improved by 40%.
These findings could lead to better brain machine interfaces for some suffering from spinal cord injuries.

Robot arm improves performance of brain-controlled device

Adding sensory feedback could help spinal cord injury patients operate computers, robots
The performance of a brain-machine interface designed to help paralyzed subjects move objects with their thoughts is improved with the addition of a robotic arm providing sensory feedback, a new study from the University of Chicago finds.
Devices that translate brain activity into the movement of a computer cursor or an external robotic arm have already proven successful in humans. But in these early systems, vision was the only tool a subject could use to help control the motion.
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