3-D Hand Motions Inspire Portable Prosthetic Devices

Researchers have successfully reconstructed 3-D hand motions from brain signals recorded in a non-invasive way, according to a study in The Journal of Neuroscience. The findings could help improve existing EEG-based systems designed to allow movement-impaired people to control a computer cursor with just their thoughts. Previously researchers have used non-portable and invasive methods that place sensors inside the brain to reconstruct hand motions. In this study, neuroscientists placed an array of sensors on the scalps of five participants to record their brains' electrical activity, using a process called electroencephalography, or EEG. read more

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