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Table 3 Comparison of FAA between participant groups

From: Comparison of frontal alpha asymmetry among schizophrenia patients, major depressive disorder patients, and healthy controls

FAA MDD (a) Schizophrenia (b) Control (c) Statistics
Eyes-open
 F4-F3 −0.08 ± 0.05 −0.10 ± 0.04 −0.05 ± 0.05 p = 0.032 p = 0.027, b < c
 F8-F7 −0.22 ± 0.12 −0.27 ± 0.12 −0.27 ± 0.13 p = 0.391  
 FP2-FP1 −0.11 ± 0.07 −0.14 ± 0.08 −0.14 ± 0.12 p = 0.527  
 AF4-AF3 −0.08 ± 0.05 − 0.10 ± 0.05 − 0.06 ± 0.08 p = 0.185  
 F6-F5 −0.16 ± 0.13 −0.19 ± 0.09 −0.15 ± 0.08 p = 0.195  
 F2-F1 −0.03 ± 0.03 −0.05 ± 0.04 −0.02 ± 0.04 p = 0.026 p = 0.022, b < c
Eyes-closed
 F4-F3 −0.03 ± 0.04 −0.02 ± 0.03 −0.01 ± 0.03 p = 0.532  
 F8-F7 −0.07 ± 0.07 −0.06 ± 0.07 −0.07 ± 0.08 p = 0.896  
 FP2-FP1 −0.02 ± 0.05 0.003 ± 0.02 −0.01 ± 0.06 p = 0.358  
 AF4-AF3 −0.03 ± 0.05 −0.03 ± 0.05 −0.02 ± 0.03 p = 0.698  
 F6-F5 −0.09 ± 0.12 −0.04 ± 0.06 −0.05 ± 0.06 p = 0.307  
 F2-F1 −0.02 ± 0.03 −0.01 ± 0.03 −0.003 ± 0.04 p = 0.238  
  1. Data presented as mean ± SD unless otherwise indicated
  2. FAA Frontal alpha asymmetry, MDD Major depressive disorder