Table 3.
Classification accuracies in well-rested and sleep-deprived conditions.
| Subject | S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | S9 | S10 | S11 | Mean |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| **EEG | 61.3 | 52.1 | 58.9 | 54.4 | 70.8 | 55.2 | 68.9 | 64.3 | 61.0 | 52.2 | 58.1 | 59.7 |
| **ECG | 79.4 | 72.0 | 52.8 | 76.3 | 60.5 | 52.3 | 63.9 | 72.2 | 61.2 | 58.8 | 59.7 | 64.5 |
| *fNIRS | 68.4 | 84.5 | 55.6 | 65.9 | 76.8 | 80.8 | 72.9 | 61.5 | 52.6 | 57.7 | 58.3 | 66.8 |
| **EEG+ECG | 76.2 | 60.0 | 74.3 | 68.1 | 72.9 | 68.9 | 64.3 | 73.5 | 71.4 | 60.4 | 69.5 | 69.0 |
| **EEG+fNIRS | 83.3 | 63.3 | 66.7 | 65.5 | 72.7 | 63.3 | 63.3 | 70.0 | 73.3 | 60.3 | 70.0 | 68.3 |
| **ECG+fNIRS | 82.8 | 64.8 | 63.3 | 73.3 | 73.3 | 73.3 | 60.0 | 76.7 | 63.3 | 56.7 | 73.3 | 69.2 |
| EEG+ECG+fNIRS | 84.5 | 73.7 | 71.8 | 77.9 | 78.1 | 85.7 | 67.0 | 83.8 | 74.6 | 62.4 | 75.2 | 75.9 |
The highest accuracies among seven approaches are displayed in bold. Asterisks indicate the level of signficance with the EEG+ECG+fNIRS combination (
**
p < 0.01:
*
p < 0.05).