Table 4

Correlation coefficients (r) and p values for the significant correlations between MMSE and EEG parameters

MMSE
Main background frequencyα/θ power ratioα power
rp Valuerp Valuerp Value
FL0.372.0×10−40.354.2×10−40.24ns
FR0.362.8×10−40.347.7×10−40.25ns
Z0.321.4×10−30.26ns0.20ns
TL0.25ns0.28ns0.22ns
TR0.29ns0.311.6×10−30.25ns
  • The significance threshold was adjusted by Bonferroni correction.

  • FL, left frontal; FR, right frontal; MMSE, Mini Mental State Examination; ns, non-significant; TL, left temporal; TR, right temporal electrode group; Z, central.