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Finger tapping protocol.
| Condition number | Distance of participant’s hand from laptop | Tapping frequency |
|---|---|---|
| 1 | 60 cm | as fast as possible |
| 2 | 60 cm | 0.5 Hz |
| 3 | 60 cm | 1 Hz |
| 4 | 60 cm | 2 Hz |
| 5 | 60 cm | 3 Hz |
| 6 | 80 cm | as fast as possible |
| 7 | 80 cm | 0.5 Hz |
| 8 | 80 cm | 1 Hz |
| 9 | 80 cm | 2 Hz |
| 10 | 80 cm | 3 Hz |
