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One or more keywords matched the following properties of Hatsopoulos, Nicholas G.
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overview Our research focuses on the cortical basis of motor control and learning. We are investigating what features of motor behavior are encoded and how this information is represented in the collective activity of large neuronal ensembles in the motor, premotor, and somatosensory cortices. We are also interested in what way these representations change as motor learning occurs. Our approach has been to simultaneously record neural activity from large groups of neurons using multi-electrode arrays while performing detailed kinematic, kinetic, and muscle measurements of goal-directed, motor behaviors, and to develop mathematical models that relate neural activity with behavior. These mathematical models provide insights as to what aspects of motor behavior are being encoded in cortical neurons, but also can be used to decipher or “decode” neural activity in order to predict movement which has practical implications for brain-machine interface development. Ultimately, this research may lead to neural prosthetic technologies that will allow people with spinal cord injury, ALS, or amputation to use brain signals to voluntarily control a device so as to interact with the world.
One or more keywords matched the following items that are connected to Hatsopoulos, Nicholas G.
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Concept Electrodes, Implanted
Concept Electrodes
Academic Article Exploiting multiple sensory modalities in brain-machine interfaces.
Academic Article Single-unit stability using chronically implanted multielectrode arrays.
Academic Article The science of neural interface systems.
Academic Article Fast and slow oscillations in human primary motor cortex predict oncoming behaviorally relevant cues.
Academic Article Statistical assessment of the stability of neural movement representations.
Academic Article Information transfer between neurons in the motor cortex triggered by visual cues.
Academic Article Functional connectivity and tuning curves in populations of simultaneously recorded neurons.
Academic Article Instant neural control of a movement signal.
Academic Article Microelectrode array fabrication by electrical discharge machining and chemical etching.
Academic Article Improving brain-machine interface performance by decoding intended future movements.
Academic Article Stable online control of an electrocorticographic brain-computer interface using a static decoder.
Academic Article Consideration of the functional relationship between cortex and motor periphery improves offline decoding performance.
Academic Article Differences in motor cortical representations of kinematic variables between action observation and action execution and implications for brain-machine interfaces.
Academic Article Ultra-long term stability of single units using chronically implanted multielectrode arrays.
Academic Article Histological evaluation of a chronically-implanted electrocorticographic electrode grid in a non-human primate.
Academic Article Changes in cortical network connectivity with long-term brain-machine interface exposure after chronic amputation.
Academic Article Dynamics of motor cortical activity during naturalistic feeding behavior.
Academic Article Chronic wireless neural population recordings with common marmosets.
Academic Article Longevity and reliability of chronic unit recordings using the Utah, intracortical multi-electrode arrays.
Academic Article Robust cortical encoding of 3D tongue shape during feeding in macaques.
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  • Electrodes