Computer control using human intracortical local field potentials

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 patien...

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Bibliographic Details
Published in:IEEE transactions on neural systems and rehabilitation engineering 2004-09, Vol.12 (3), p.339-344
Main Authors: Kennedy, P.R., Kirby, M.T., Moore, M.M., King, B., Mallory, A.
Format: Article
Language:English
Subjects:
Cable insulation
Coils
Communication Aids for Disabled
Communication system control
Computer Peripherals
Electrodes
Electrodes, Implanted
Electroencephalography - methods
Evoked Potentials
Glass
Humans
Keyboards
Male
Middle Aged
Mitochondrial Diseases - physiopathology
Mitochondrial Diseases - rehabilitation
Motor Cortex - physiopathology
Neuromuscular Diseases - physiopathology
Neuromuscular Diseases - rehabilitation
Online Systems
Prosthetics
Signal restoration
Stroke - physiopathology
Stroke Rehabilitation
Therapy, Computer-Assisted - methods
User-Computer Interface
Wires
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Summary: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.
ISSN:1534-4320
1558-0210
DOI:10.1109/TNSRE.2004.834629