“Over the past decade, many laboratories have begun to explore brain–computer interface (BCI) technology as a radically new communication option for those with neuromuscular impairments that prevent them from using conventional augmentative communication methods.BCI’s provide these users with communication channels that do not depend on peripheral nerves and muscles.”
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“Brain–computer interfaces (BCIs) aim at providing a non-muscular channel for sending commands to the external world using the electroencephalographic activity or other electrophysiological measures of the brain function. An essential factor in the successful operation of BCI systems is the methods used to process the brain signals.”
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The authors review classification algorithms used to design brain–computer interface (BCI) systems based on electroencephalography (EEG).
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“Neuromotor prostheses (NMPs) aim to replace or restore lost motor functions in paralysed humans by routeing movement-related signals from the brain, around damaged parts of the nervous system, to external effectors. To translate preclinical results from intact animals to a clinically useful NMP, movement signals must persist in cortex after spinal cord injury and be engaged by movement intent when sensory inputs and limb movement are long absent.”
Nature 442, 164-171 (13 July 2006) | doi:10.1038/nature04970; Received 22 March 2006; Accepted 6 June 2006
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