... algorithm and a statistical classifier were used to recognize mental tasks, such as "relax", imagination of "left" and "right" hand (or arm) movements, "cube rotation", "subtraction", and "word association", ... ones After such feature extraction, the system has information enough to make decisions (classify) and generate the necessary control actions to be delivered to the electronic device to be controlled ... http://www.jneuroengrehab.com/content/5/1/10 Machine Interfaces Two HMIs, based on different electrobiological signals were developed, namely an EMG -based HMI and an EEG -based HMI The first one allows a person to command...