Machine interfaces Acquisition time 1 Aircraft 1 Augmented feedback 1 Behavioral research 1 Brain computer interface 1 Brain-machine interface 1 Conflict detection 1 Direct solution 1 Electrical stimulation system 1 Eye tracking 1 False positive rates 1 Feedback 1 Feedback, Sensory 1 Finger 1 Finger movements 1 Forecasting 1 Functional electri-cal stimulations 1 Functional electric stimulation 1 Humans 1 Mammals 1 Movement intentions 1 Neurosurgery 1 Non-human primate 1 Restoration 1 Task difficulty 1 Upper extremity movements 1 Visual Attention 1 Visual communication 1 Visual feedback 1