Table 1.

Summary of the data collections used for this study: 2183 datasets from 370 unique subjects.

Collection	Headsets	Datasets	Unique subjects	Length in hours	EOG	Tasks
ARL-BCIT	Biosemi (64 or 256 Ch)	669	210	426.4	Yes	Driving with perturb, RSVP, guard duty
ARL-Shoot	Neuroscan (40 Ch)	126	14	14.5	Yes	Shooting, arithmetic, dual shooting/arithmetic
NCTU-LK	Neuroscan (32 Ch)	80	37	104.5	No	Driving with perturb motion/motionless
BCI-2000	BCI2000 (64 Ch)	1308	109	44.8	No	Motor imagery (4 versions)