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Thursday, November 11, 2010

BCI

BCIs are being developed for a variety of applications ranging from assistive technologies for patients with motor disabilities to entertainment devices. Across the wide range of applications, all BCI systems share the same set of underlying components, which can be broken down into three main segments: brain signal acquisition, brain state decoding, and computer-mediated performance of a task. Some BCIs decode the brain state into a set of discrete classes 
such as yes/no commands,while other BCIs decode continuous data such as a reaching trajectory.