Leuthardt EC, Gaona CM, Sharma M, Szrama N, Roland J, Freudenberg ZV, et al.. Using the electrocorticographic speech network to control a brain-computer interface in humans. J Neural Eng [Internet]. 2011;8(3):036004. http://www.ncbi.nlm.nih.gov/pubmed/21471638

Leuthardt EC, Schalk G, Roland J, Rouse A, Moran D. Evolution of brain-computer interfaces: going beyond classic motor physiology. Neurosurg Focus [Internet]. 2009;27(1):E4. http://www.ncbi.nlm.nih.gov/pubmed/19569892