A LightGBM-Based EEG Analysis Method for Driver Mental States Classification

Table 1

Eight experimental stages.

Stages	Durations (min)	Description
WUP	8–10	Also called “warm-up,” collecting baseline of EEG, ECG, and EOG when driving a car at a predetermined speed.
PERFO	7–9	Also called “performance,” similar to WUP, just has a higher driving speed than that of WUP.
TAV3	7–9	These 5 stages are concurrently exerted task of attention (sound) and video stimuli with different frequency levels. The stages from low to high stimulus frequency are TAV1, TAV2, TAV3, TAV4, TAV5.
TAV1	7–9
TAV5	6–9
TAV2	7–9
TAV4	7–8
DROWS	12–18	At the stage, the subject falls into drowsiness and feels tired and fatigue.