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Computer control using human intracortical local field potentials

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5 Author(s)
P. R. Kennedy ; Neural Signals Inc., Atlanta, GA, USA ; M. T. Kirby ; M. M. Moore ; B. King
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We describe the use of human cortical control signals to operate two assistive technology tools-a virtual keyboard speller and a computer-simulated digit. The cortical signals used for control are local field potentials recorded through an implanted neurotrophic electrode. In this system, the patients' cortical signals are transmitted wirelessly to a receiver and translated by computer software into either a computer cursor movement (for the virtual keyboard) or flexion of a cyber digit on a virtual hand. This report focuses on the progress of two subjects toward effective use of their "virtual" neuro-prosthetic devices to meet their assistive technology needs.

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IEEE Transactions on Neural Systems and Rehabilitation Engineering  (Volume:12 ,  Issue: 3 )