Stroke Patient Improvement with a Brain-Computer Interface
University of Adelaide researchers have shown that it is possible for stroke patients to improve motor function using special training involving connecting brain signals with a computer.
Researchers described how this brain-computer interface (BCI) produced a 36% improvement in motor function of a stroke-damaged hand.
The BCI measures brain electrical signal on the surface of the scalp. Every time a subject imagines performing a specific motor function, for example grasping an object, the BCI takes those electrical signals and transmits them to a computer. Then an advanced mathematical algorithm interprets the brain signals and accordingly supplies a sensory feedback via a robotic manipulator.
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