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BBI-Kavli Distinguished Speaker: Miguel Nicolelis, "Brain-Machine Interfaces"
Wednesday, May 1, 2019
2:00 p.m.
2204 Edward St. John Center
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Speaker: Dr. Miguel Nicolelis, Duke University

Title: Brain-machine interfaces: from basic science to neurological rehabilitation

Abstract: State-of-the-art research on brain-machine interfaces makes it possible for the brains of primates to interact directly and in a bi-directional way with mechanical, computational and virtual devices without any interference of the body muscles or sensory organs. This presentation reviews a series of recent experiments using real-time computational models to investigate how ensembles of neurons encode motor information. These experiments have revealed that brain-machine interfaces can be used not only to study fundamental aspects of neural ensemble physiology, but they can also serve as an experimental paradigm aimed at testing the design of novel neuroprosthetic devices. The talk also describes evidence indicating that continuous operation of a closed-loop brain-machine interface, which utilizes a robotic arm as its main actuator, can induce significant changes in the physiological properties of neural circuits in multiple motor and sensory cortical areas. This research raises the hypothesis that the properties of a robot arm, or other neurallycontrolled tools, can be assimilated by brain representations as if they were extensions of the subject’s own body.

Reception to follow, featuring graduate student and post-doc research related to the brain and behavior.

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