Borgheai SBahram, McLinden J, Zisk AHillary, Hosni SIsmail, Deligani RJafari, Abtahi M, et al.. Enhancing Communication for People in Late-Stage ALS Using an fNIRS-Based BCI System. IEEE Trans Neural Syst Rehabil Eng. 2020;28(5):1198-1207. 

Shahriari Y, Vaughan T, McCane L, Allison B, Wolpaw J, Krusienski D. An exploration of BCI performance variations in people with amyotrophic lateral sclerosis using longitudinal EEG data. Journal of Neural Engineering [Internet]. 2019;. https://iopscience.iop.org/article/10.1088/1741-2552/ab22ea