Table 9.
Performance Comparison of Approaches for Vigilance Enhancement.
| Ref. | Core Approach | Max Duration of Enhanced Vigilance Level | Technical Parameters | Intervening at Slightly Drowsiness Moment | Including Neurofeedback |
|---|---|---|---|---|---|
| [67] | Auditory | 40 s | EEG-guided 1750 Hz tone per sec | No | Yes |
| [103] | Caffeine | 2 h | - | No | No |
| [103] | tDCS | 6 h | Hairy area; 30 min and fixed 2 mA session |
No | No |
| [105] | tDCS | - | Hairy area; 20 min and fixed 1.5 mA session |
No | No |
| [106] | tDCS | 23 m | Non-hairy area; EEG-guided stimulation duration and fixed 2 mA |
Yes | Yes |