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Driving behavior index parameters.
| Type of Behavior | Behavioral Index | Symbol | Data Range | Node (Code) |
|---|---|---|---|---|
| Eye movement behavior | Gaze duration | F | 59–6000 ms |  |
| Saccade amplitude | SD | 0–150° |  |
|
| Saccade velocity | SV | 0–500°/s |  |
|
| Psychophysiological behavior | Heart rate growth rate | HR | 0–2 |  |
| EDA growth rate | DR | 0–2 |  |
|
| Driving behavior | Brake pedal opening | B | 0–20 |  |
| Steering wheel angle | W | −720-720° |  |
|
| Vehicle operation behavior | Velocity | V | 0–150 km/h |  |
| Lateral acceleration | SA | −9-9 m/s2 |  |
