20-questions-game Artificial Neural Network Brain-Computer Interface (BCI) Brain-computer interfaces Graphical User Interface (GUI) MI MP Neuroergonomics P300 PE SHCC SIFT SSVEP Self-help devices for people with disabilities augmented cognition brain computer interface brain-computer interfaces communication complete locked-in state electroencephalography electroencephalography (EEG) heuristic search human performance hybrid indoor room temperature office-work tasks p300 performance prediction speller superintelligence