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Experimental setup and protocol corresponding to validation and test data. (A) Provides an experimental environment that simulates 3D driving while wearing the EEG cap. (B) Locations of electrodes for recording EEG. Pz and Oz were used to detect micro-sleep. (C) The experiment was conducted for approximately 1 h, and the subjects were evaluated based on the Karolinska sleepiness scale (KSS) 13 times, which was used to indicate their drowsiness level while driving.
