Table 1.
Average electrophysiological and hemodynamic changes during the visual task
| Participant (sex, age, profession) | Screen distance (cm) | Hair description | Installation time (min) | Comfort scale | VEPProt.(µV) | VEPNeuroscan (µV) |
ΔHbO2 ΔHb (µmol) |
# Rejected trials | Dice (HbO2) | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | P | S | P | S | P | S | P | ||||||
| B1 (F, 21, student) | 155 | Straight, redheaded, medium | 48 | 9 | 4.31 | 4.83 | 4.53 | 5.2 | 0.95−0.34 | 0.95−0.45 | 1 | 1 | 0.87 |
| B2 (M, 24, engineer) | 138 | Straight, black, short | 40 | 6 | 3.27 | 5.48 | 3.74 | 6.35 | 0.64−0.39 | 1.12−0.17 | 1 | 2 | 1.00 |
| B3 (M, 28, engineer) | 142 | Curly, black, short | 51 | 8 | 4.63 | 5.99 | 5.16 | 6.24 | 0.32−0.17 | 0.31−0.14 | 2 | 2 | 1.00 |
| B4 (F, 22, student) | 155 | Dreads, black, long | 77 | 10 | 9.89 | 9.89 | 10.54 | 10.39 | 0.86−0.32 | 0.84−0.32 | 1 | 0 | 0.82 |
| B5 (M, 17, student) | 153 | Straight, blond, medium | 53 | 9 | 8.06 | 8.3 | 7.51 | 9.03 | 0.65−0.40 | 0.82−0.31 | 0 | 0 | 0.72 |
| B6 (M, 13, student) | 150 | Straight, black, medium | 61 | 7 | 5.92 | 5.58 | 5.86 | 5.4 | 1.04−0.39 | 1.21−0.34 | 2 | 2 | 0.90 |
| B7 (M, 15, student) | 150 | Straight, black, short | 47 | 8 | 4.59 | 4.53 | 4.99 | 4.55 | 0.77−0.37 | 0.86−0.20 | 2 | 3 | 0.82 |
| B8 (F, 26, student) | 134 | Curly, black, long | 63 | 9 | 6.03 | 6.63 | 5.91 | 6.46 | 0.73−0.09 | 1.06−0.22 | 0 | 1 | 0.82 |
M: male; F: female; VEP: visually evoked potential; HbO2: oxy‐hemoglobin; Hb: deoxy‐hemoglobin; Prot.: prototype; Neuroscan: commercial EEG system; S: sitting still; P: pedaling.