Research Article

Study of Driving Fatigue Alleviation by Transcutaneous Acupoints Electrical Stimulations

Figure 8

Ratios and / of the relative power spectrum for 9 stages of driving.
450249.fig.008a
(a) Relative power spectrum ratio (mean ± S.D.)
450249.fig.008b
(b) Relative power spectrum ratio / (mean ± S.D.)