Research Article

Estimating Mental Health Conditions of Patients with Opioid Use Disorder

Table 2

Comparative analysis of power levels distributed on the scalp of healthy controls. Data were based on 16 healthy controls.

Frontal scalp (F; μV2)bRear scalp (R; μV2)F/R ratio valuec

δa13.2 ± 0.110.4 ± 0.11.3
θ6.9 ± 0.18.8 ± 0.10.8
α12.4 ± 0.135.2 ± 0.60.4
β6.4 ± 0.111.6 ± 0.10.6
γ1.6 ± 0.11.7 ± 0.10.9

aδ, 1–4 Hz; θ, 4–8 Hz; α, 8–12 Hz; β, 12–30 Hz; and γ, 30–50 Hz. bFrontal (F), FP1, FP2, F3, F4, F7, F8, and Fz); Rear (R), O1, O2, P3, P4, T5, T6, and Pz). Note that the electrode located in the middle (T3, T4, C3, C4, and Cz) were excluded in the data analysis. cSignificance was determined by repeated measures ANOVA.