Spectral Asymmetry and Higuchi’s Fractal Dimension Measures of Depression Electroencephalogram

Table 2

Calculated parameters for HFD in various EEG channels: group averaged values, standard deviations, and 𝑃 values differentiating depressive and control group.

EEG channel	FP1	FP2	T3	T4	P3	P4	O1	O2
Depressive group
Average	1.6690	1.6715	1.7171	1.7164	1.7229	1.7310	1.7268	1.7291
St. dev.	0.0670	0.0752	0.0525	0.0645	0.0329	0.0341	0.0322	0.0309
Control group
Average	1.6272	1.6316	1.6677	1.6565	1.6647	1.6728	1.6767	1.6781
St. dev.	0.0505	0.0402	0.0723	0.0600	0.0313	0.0261	0.0421	0.0426
𝑃 values	0.1295	0.0658	0.0354	0.0086	9.05×10^−6	9.56×10^−6	0.0005	0.0004