Table 1 Parameters used and selections made during the measurements
Session | Sequences | Possible choices | Selections | |
|---|---|---|---|---|
EOG | ||||
Day 1 | ||||
- control signal: looking to the left and back to the center | ||||
- one electrode placed next to the outer canthus of the left eye | ||||
- 1000 ms classification window | ||||
Training | 10 | 2 | 2 runs | |
1.1 | 1 | 2 | 6 | |
- classification window changed to 2000 ms | ||||
1.2 | 1 | 2 | 14 | |
Training | - data from 1.2 used to train new classifer | |||
1.3 | 1 | 2 | 5 | |
1.4 | 1 | 5 (A, B, C, D, E) | 5 | |
-voice recording by daughter | ||||
1.5 | 1 | 5 (F, G, H, I, J) | 15 | |
- added second electrode (next to canthus of right eye) | ||||
- new control signal: looking to the right and back to the center | ||||
1.6 | 1 | 5 (F, G, H, I, J) | 10 | |
Day 2 | ||||
- stimulus presentation in alphabetical order | ||||
- 1500 ms classification window | ||||
Training | 3 | 5 (F, G, H, I, J) | 1 run | |
2 | 1 | 5 (F, G, H, I, J) | 19 | |
Day 3 | ||||
Training | 3 | 5 (F, G, H, I, J) | 15 | |
- two step procedure to select letter group and target letter | ||||
3.1 | 1 | 5(25)letters A to Y | 12 | |
3.2 | 2 | 5(25)letters A to Y | 12 | |
3.3 | 2 | 5(25)letters A to Y | 4 | |
Eye Tracker | ||||
Day 2 | ||||
2 | 1 | 2 | 38 | |
BCI | ||||
Day 2 | ||||
Training | 20 | 2 | 8 runs | |
2.1 | 10 | 2 | 3 | |
2.2 | 7 | 2 | 3 | |
Day 3 | ||||
Training | 20 | 2 | 6 runs | |
3.1 | 20 | 2 | 2 | |
3.2 | 7 | 2 | 3 | |
3.3 | 10 | 2 | 6 | |
Day 4 | ||||
- classifier from day 3 applied | ||||
4.1 | 20 | 2 | 4 | |
- data from 4.1 added to data from day 3 to train new classifier | ||||
4.2 | 10 | 2 | 4 | |