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; μV^2)^b	Rear scalp (R; μV^2)	F/R ratio	value^c
δ^a	13.2 ± 0.1	10.4 ± 0.1	1.3
θ	6.9 ± 0.1	8.8 ± 0.1	0.8
α	12.4 ± 0.1	35.2 ± 0.6	0.4
β	6.4 ± 0.1	11.6 ± 0.1	0.6
γ	1.6 ± 0.1	1.7 ± 0.1	0.9

^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.