Fabiani GE, McFarland DJ, Wolpaw J, Pfurtscheller G. Conversion of EEG activity into cursor movement by a brain-computer interface (BCI). IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society [Internet]. 2004;12:331?338. http://www.ncbi.nlm.nih.gov/pubmed/15473195

McFarland DJ, Sarnacki WA, Wolpaw J. Brain-computer interface (BCI) operation: optimizing information transfer rates. Biological psychology [Internet]. 2003;63:237?251. http://www.ncbi.nlm.nih.gov/pubmed/12853169

Sheikh H, McFarland DJ, Sarnacki WA, Wolpaw J. Electroencephalographic(EEG)-based communication: EEG control versus system performance in humans. Neuroscience letters [Internet]. 2003;345:89?92. http://www.ncbi.nlm.nih.gov/pubmed/12821178

Wolpaw J, Birbaumer N, Heetderks WJ, McFarland DJ, Peckham PH, Schalk G, et al.. Brain-computer interface technology: a review of the first international meeting. IEEE transactions on rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society [Internet]. 2000;8:164?173. http://www.ncbi.nlm.nih.gov/pubmed/10896178

Schalk G, Wolpaw J, McFarland DJ, Pfurtscheller G. EEG-based communication: presence of an error potential. Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology [Internet]. 2000;111:2138?2144. http://www.ncbi.nlm.nih.gov/pubmed/11090763

Vaughan TM, Miner LA, McFarland DJ, Wolpaw J. EEG-based communication: analysis of concurrent EMG activity. Electroencephalography and clinical neurophysiology [Internet]. 1998;107:428?433. http://www.ncbi.nlm.nih.gov/pubmed/9922089