. 2023 Nov 6;22(3):431–441. doi: 10.9758/cpn.23.1104

Table 4.

FAI of QEEG for each frequency

Frequency	Brain region (frontal)	ADHD (n = 51)	Non-ADHD (n = 52)	F	p value
Delta	Fp2-Fp1	5.21 ± 13.83	0.47 ± 13.09	1.211	0.311
	F4-F3	−7.79 ± 33.81	−41.45 ± 34.32	6.336	< 0.001^b
	F8-F7	−6.40 ± 22.89	−24.62 ± 23.20	4.335	0.003^a
Theta	Fp2-Fp1	2.67 ± 9.73	2.01 ± 8.02	1.388	0.244
	F4-F3	−7.39 ± 25.58	−32.14 ± 29.78	5.117	0.001^a
	F8-F7	−2.74 ± 16.53	−11.26 ± 16.09	2.395	0.056
Alpha	Fp2-Fp1	−0.34 ± 6.44	0.21 ± 6.66	0.601	0.663
	F4-F3	−9.07 ± 19.59	−24.66 ± 23.89	3.300	0.014^a
	F8-F7	2.16 ± 16.42	10.95 ± 20.96	2.966	0.023^a
Beta	Fp2-Fp1	0.15 ± 8.43	2.87 ± 8.46	3.192	0.016^a
	F4-F3	−4.21 ± 21.13	−22.60 ± 25.13	4.120	0.004^a
	F8-F7	0.86 ± 13.50	2.08 ± 13.37	1.865	0.123
High beta	Fp2-Fp1	−2.07 ± 16.01	6.67 ± 15.46	2.793	0.030^a
	F4-F3	−4.78 ± 26.98	−24.91 ± 31.44	3.132	0.018^a
	F8-F7	−8.67 ± 18.18	−12.18 ± 19.79	1.655	0.167
Gamma	Fp2-Fp1	−0.87 ± 16.75	5.49 ± 17.05	1.632	0.172
	F4-F3	−3.74 ± 27.22	−24.48 ± 31.93	3.092	0.019^a
	F8-F7	−12.11 ± 20.48	−15.69 ± 25.11	1.442	0.226

Values are presented as mean ± standard deviation.

FAI, frontal asymmetry index QEEG,quantitative electroencephalography ADHD, attention deficit-hyperactivity disorder.

^ap < 0.05, ^bp < 0.001.